[jira] [Created] (PDFBOX-4444) NPE in PDNumberTreeNode.convertCOSToPD()

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

Tilman Hausherr created PDFBOX-4444:
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             Summary: NPE in PDNumberTreeNode.convertCOSToPD()
                 Key: PDFBOX-4444
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4444
             Project: PDFBox
          Issue Type: Bug
          Components: PDModel
    Affects Versions: 2.0.13
            Reporter: Tilman Hausherr
            Assignee: Tilman Hausherr
             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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