[jira] [Assigned] (PDFBOX-2483) StackOverflowError in preflight

["Tilman Hausherr (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-2483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tilman Hausherr reassigned PDFBOX-2483:
---------------------------------------

    Assignee: Tilman Hausherr

> StackOverflowError in preflight
> -------------------------------
>
>                 Key: PDFBOX-2483
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2483
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Preflight
>    Affects Versions: 1.8.7, 1.8.8, 2.0.0
>            Reporter: Tilman Hausherr
>            Assignee: Tilman Hausherr
>             Fix For: 2.0.0
>
>         Attachments: 002874.pdf, 034379.pdf, 048873.pdf
>
>
> I get a stack overflow with the attached file. I can't even get the full trace.
> {code}
> Exception in thread "main" java.lang.StackOverflowError
> 	at java.util.regex.Pattern$Single.<init>(Unknown Source)
> 	at java.util.regex.Pattern.newSingle(Unknown Source)
> 	at java.util.regex.Pattern.atom(Unknown Source)
> 	at java.util.regex.Pattern.sequence(Unknown Source)
> 	at java.util.regex.Pattern.expr(Unknown Source)
> 	at java.util.regex.Pattern.compile(Unknown Source)
> 	at java.util.regex.Pattern.<init>(Unknown Source)
> 	at java.util.regex.Pattern.compile(Unknown Source)
> 	at java.lang.String.replaceAll(Unknown Source)
> 	at org.apache.pdfbox.pdmodel.font.ExternalFonts.getSubstitutes(ExternalFonts.java:208)
> 	at org.apache.pdfbox.pdmodel.font.ExternalFonts.getTrueTypeFont(ExternalFonts.java:384)
> 	at org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.<init>(PDTrueTypeFont.java:144)
> 	at org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:81)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.getFonts(ResourcesValidationProcess.java:127)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateFonts(ResourcesValidationProcess.java:93)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:76)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:288)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:80)
> {code}



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