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Posted to dev@pdfbox.apache.org by "Henning Saul (JIRA)" <ji...@apache.org> on 2011/06/24 17:49:47 UTC

[jira] [Created] (PDFBOX-1049) NPE in PDFont.getFontWidth()

NPE in PDFont.getFontWidth()
----------------------------

                 Key: PDFBOX-1049
                 URL: https://issues.apache.org/jira/browse/PDFBOX-1049
             Project: PDFBox
          Issue Type: Bug
          Components: PDModel
    Affects Versions: 1.6.0
            Reporter: Henning Saul


Trying to run ExtractText on the attached PDF will result in *a lot* of the following Exceptions:
{code}
Jun 24, 2011 11:44:54 AM org.apache.pdfbox.util.PDFStreamEngine processOperator
WARNING: java.lang.NullPointerException
java.lang.NullPointerException
 at org.apache.pdfbox.pdmodel.font.PDFont.getFontWidth(PDFont.java:787)
 at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getFontWidth(PDSimpleFont.java:1
 at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.ja
 at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
 at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:
 at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
 at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
 at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:22
 at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:442)
 at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:366
 at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:322)
 at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:256)
 at org.apache.pdfbox.ExtractText.main(ExtractText.java:76)
{code} 

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[jira] [Updated] (PDFBOX-1049) NPE in PDFont.getFontWidth()

Posted by "Henning Saul (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/PDFBOX-1049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henning Saul updated PDFBOX-1049:
---------------------------------

    Description: 
Trying to run ExtractText on the attached PDF will result in *a lot* of the following Exceptions:

Jun 24, 2011 11:44:54 AM org.apache.pdfbox.util.PDFStreamEngine processOperator
WARNING: java.lang.NullPointerException
java.lang.NullPointerException
 at org.apache.pdfbox.pdmodel.font.PDFont.getFontWidth(PDFont.java:787)
 at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getFontWidth(PDSimpleFont.java:1
 at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.ja
 at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
 at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:
 at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
 at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
 at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:22
 at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:442)
 at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:366
 at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:322)
 at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:256)
 at org.apache.pdfbox.ExtractText.main(ExtractText.java:76)


  was:
Trying to run ExtractText on the attached PDF will result in *a lot* of the following Exceptions:
{code}
Jun 24, 2011 11:44:54 AM org.apache.pdfbox.util.PDFStreamEngine processOperator
WARNING: java.lang.NullPointerException
java.lang.NullPointerException
 at org.apache.pdfbox.pdmodel.font.PDFont.getFontWidth(PDFont.java:787)
 at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getFontWidth(PDSimpleFont.java:1
 at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.ja
 at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
 at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:
 at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
 at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
 at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:22
 at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:442)
 at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:366
 at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:322)
 at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:256)
 at org.apache.pdfbox.ExtractText.main(ExtractText.java:76)
{code} 


> NPE in PDFont.getFontWidth()
> ----------------------------
>
>                 Key: PDFBOX-1049
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1049
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 1.6.0
>            Reporter: Henning Saul
>         Attachments: 48022.pdf
>
>
> Trying to run ExtractText on the attached PDF will result in *a lot* of the following Exceptions:
> Jun 24, 2011 11:44:54 AM org.apache.pdfbox.util.PDFStreamEngine processOperator
> WARNING: java.lang.NullPointerException
> java.lang.NullPointerException
>  at org.apache.pdfbox.pdmodel.font.PDFont.getFontWidth(PDFont.java:787)
>  at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getFontWidth(PDSimpleFont.java:1
>  at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.ja
>  at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
>  at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:
>  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
>  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
>  at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:22
>  at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:442)
>  at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:366
>  at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:322)
>  at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:256)
>  at org.apache.pdfbox.ExtractText.main(ExtractText.java:76)

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[jira] [Resolved] (PDFBOX-1049) NPE in PDFont.getFontWidth()

Posted by "Andreas Lehmkühler (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/PDFBOX-1049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Lehmkühler resolved PDFBOX-1049.
----------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.6.0
         Assignee: Andreas Lehmkühler

External type1 fonts don't provide any widths. 

I applied the patch in revision 1139497 as proposed.

Thanks for the contribution

> NPE in PDFont.getFontWidth()
> ----------------------------
>
>                 Key: PDFBOX-1049
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1049
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 1.6.0
>            Reporter: Henning Saul
>            Assignee: Andreas Lehmkühler
>             Fix For: 1.6.0
>
>         Attachments: 48022.pdf
>
>
> Trying to run ExtractText on the attached PDF will result in *a lot* of the following Exceptions:
> Jun 24, 2011 11:44:54 AM org.apache.pdfbox.util.PDFStreamEngine processOperator
> WARNING: java.lang.NullPointerException
> java.lang.NullPointerException
>  at org.apache.pdfbox.pdmodel.font.PDFont.getFontWidth(PDFont.java:787)
>  at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getFontWidth(PDSimpleFont.java:1
>  at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.ja
>  at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
>  at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:
>  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
>  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
>  at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:22
>  at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:442)
>  at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:366
>  at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:322)
>  at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:256)
>  at org.apache.pdfbox.ExtractText.main(ExtractText.java:76)

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[jira] [Commented] (PDFBOX-1049) NPE in PDFont.getFontWidth()

Posted by "Henning Saul (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/PDFBOX-1049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13054515#comment-13054515 ] 

Henning Saul commented on PDFBOX-1049:
--------------------------------------

The following check in PDFont seems to handle that situation... Not sure whether this is a good idea, though.

    public float getFontWidth( int charCode )
    {
        float width = -1;
        int firstChar = getFirstChar();
        int lastChar = getLastChar();
        if (charCode >= firstChar && charCode <= lastChar)
        {
            List<Float> widths = getWidths();
            // widths might be null in some cases?
	    if(widths != null)
                width = widths.get(charCode-firstChar).floatValue();


> NPE in PDFont.getFontWidth()
> ----------------------------
>
>                 Key: PDFBOX-1049
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1049
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 1.6.0
>            Reporter: Henning Saul
>         Attachments: 48022.pdf
>
>
> Trying to run ExtractText on the attached PDF will result in *a lot* of the following Exceptions:
> Jun 24, 2011 11:44:54 AM org.apache.pdfbox.util.PDFStreamEngine processOperator
> WARNING: java.lang.NullPointerException
> java.lang.NullPointerException
>  at org.apache.pdfbox.pdmodel.font.PDFont.getFontWidth(PDFont.java:787)
>  at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getFontWidth(PDSimpleFont.java:1
>  at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.ja
>  at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
>  at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:
>  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
>  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
>  at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:22
>  at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:442)
>  at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:366
>  at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:322)
>  at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:256)
>  at org.apache.pdfbox.ExtractText.main(ExtractText.java:76)

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[jira] [Updated] (PDFBOX-1049) NPE in PDFont.getFontWidth()

Posted by "Henning Saul (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/PDFBOX-1049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henning Saul updated PDFBOX-1049:
---------------------------------

    Attachment: 48022.pdf

> NPE in PDFont.getFontWidth()
> ----------------------------
>
>                 Key: PDFBOX-1049
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1049
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 1.6.0
>            Reporter: Henning Saul
>         Attachments: 48022.pdf
>
>
> Trying to run ExtractText on the attached PDF will result in *a lot* of the following Exceptions:
> Jun 24, 2011 11:44:54 AM org.apache.pdfbox.util.PDFStreamEngine processOperator
> WARNING: java.lang.NullPointerException
> java.lang.NullPointerException
>  at org.apache.pdfbox.pdmodel.font.PDFont.getFontWidth(PDFont.java:787)
>  at org.apache.pdfbox.pdmodel.font.PDSimpleFont.getFontWidth(PDSimpleFont.java:1
>  at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.ja
>  at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
>  at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:
>  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
>  at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java
>  at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:22
>  at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:442)
>  at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:366
>  at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:322)
>  at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:256)
>  at org.apache.pdfbox.ExtractText.main(ExtractText.java:76)

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