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Posted to dev@pdfbox.apache.org by "Wayne Chan (JIRA)" <ji...@apache.org> on 2012/09/12 20:29:07 UTC
[jira] [Updated] (PDFBOX-1412) NullPointerException when getting
fields from a PDF file
[ https://issues.apache.org/jira/browse/PDFBOX-1412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wayne Chan updated PDFBOX-1412:
-------------------------------
Description:
I am getting a NullPointerException thrown from PDField.java line 540. The problem is that the code calls COSArray.getObject(i) on line 539, which can return a NULL. Line 540 uses the returned value without first checking for NULL, thus throwing NPE when the value is NULL. The following is the stack trace:
java.lang.NullPointerException
at org.apache.pdfbox.pdmodel.interactive.form.PDField.getKids(PDField.java:540)
at org.apache.pdfbox.pdmodel.interactive.form.PDFieldFactory.isButton(PDFieldFactory.java:159)
at org.apache.pdfbox.pdmodel.interactive.form.PDFieldFactory.createField(PDFieldFactory.java:68)
at org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm.getFields(PDAcroForm.java:203)
...
was:
I am getting a NullPointerException thrown from PDField.java line 540. The problem is that the code calls COSArray.getObject(i) on line 539, which can return a NULL. Line 540 uses the returned value without first checking for NULL, thus throwing NPE when the value is NULL. The following is the stack trace:
java.lang.NullPointerException
at org.apache.pdfbox.pdmodel.interactive.form.PDField.getKids(PDField.java:540)
at org.apache.pdfbox.pdmodel.interactive.form.PDFieldFactory.isButton(PDFieldFactory.java:159)
at org.apache.pdfbox.pdmodel.interactive.form.PDFieldFactory.createField(PDFieldFactory.java:68)
at org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm.getFields(PDAcroForm.java:203)
at com.soschat.util.PDFUtils.readPdfFields(PDFUtils.java:96)
at com.soschat.util.PDFUtils.getPermissibleMappings(PDFUtils.java:126)
at com.soschat.util.PDFUtilsTest.testGetPermissibleMappings(PDFUtilsTest.java:63)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:82)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:240)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180)
> NullPointerException when getting fields from a PDF file
> --------------------------------------------------------
>
> Key: PDFBOX-1412
> URL: https://issues.apache.org/jira/browse/PDFBOX-1412
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel.AcroForm
> Affects Versions: 1.7.1
> Environment: I encountered this problem while running Junit tests in Netbeans on my dev machine and while running web apps in Tomcat7 on Ubuntu 11.10.
> Reporter: Wayne Chan
> Attachments: ICSForms201.pdf
>
>
> I am getting a NullPointerException thrown from PDField.java line 540. The problem is that the code calls COSArray.getObject(i) on line 539, which can return a NULL. Line 540 uses the returned value without first checking for NULL, thus throwing NPE when the value is NULL. The following is the stack trace:
> java.lang.NullPointerException
> at org.apache.pdfbox.pdmodel.interactive.form.PDField.getKids(PDField.java:540)
> at org.apache.pdfbox.pdmodel.interactive.form.PDFieldFactory.isButton(PDFieldFactory.java:159)
> at org.apache.pdfbox.pdmodel.interactive.form.PDFieldFactory.createField(PDFieldFactory.java:68)
> at org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm.getFields(PDAcroForm.java:203)
> ...
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