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https://issues.apache.org/jira/browse/PDFBOX-4444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-4444:
------------------------------------
Component/s: Utilities
> NPE in PDNumberTreeNode.convertCOSToPD()
> ----------------------------------------
>
> Key: PDFBOX-4444
> URL: https://issues.apache.org/jira/browse/PDFBOX-4444
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel, Utilities
> Affects Versions: 2.0.13
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 2.0.14, 3.0.0 PDFBox
>
> Attachments: 172572.pdf
>
>
> {noformat}
> java.io.IOException: Error while trying to create value in number tree:null
> at
> org.apache.pdfbox.pdmodel.common.PDNumberTreeNode.convertCOSToPD(PDNumberTreeNode.java:226)
> at
> org.apache.pdfbox.pdmodel.common.PDNumberTreeNode.getNumbers(PDNumberTreeNode.java:197)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.getNumberTreeAsMap(PDFMergerUtility.java:972)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.getNumberTreeAsMap(PDFMergerUtility.java:987)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtilityTest.checkWithNumberTree(PDFMergerUtilityTest.java:636)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtilityTest.testXXX(PDFMergerUtilityTest.java:1120)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at junit.framework.TestCase.runTest(TestCase.java:176)
> at junit.framework.TestCase.runBare(TestCase.java:141)
> at junit.framework.TestResult$1.protect(TestResult.java:122)
> at junit.framework.TestResult.runProtected(TestResult.java:142)
> at junit.framework.TestResult.run(TestResult.java:125)
> at junit.framework.TestCase.run(TestCase.java:129)
> at junit.framework.TestSuite.runTest(TestSuite.java:252)
> at junit.framework.TestSuite.run(TestSuite.java:247)
> at
> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:383)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:344)
> at
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:125)
> at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:417)
> Caused by: java.lang.NullPointerException
> at
> org.apache.pdfbox.pdmodel.common.PDNumberTreeNode.convertCOSToPD(PDNumberTreeNode.java:219)
> {noformat}
> There are null elements in the number tree at
> {{Root/StructTreeRoot/ParentTree/Kids/[0]/Nums}}
> Solution: just pass the null, don't convert it.
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