Tilman Hausherr created RAT-494:
-----------------------------------
Summary: NullPointerException: Reader may not be null
Key: RAT-494
URL: https://issues.apache.org/jira/browse/RAT-494
Project: Apache Rat
Issue Type: Bug
Affects Versions: 0.17
Reporter: Tilman Hausherr
I am testing the 0.17 snapshot plugin with my (modified) Apache PDFBox build
and got this:
Processing: FileDocument( name = \src\test\resources\input\001991.pdf metaData
= MetaData[0 license, 0 approved] )
Processing: FileDocument( name = \src\test\resources\input\032431.pdf metaData
= MetaData[0 license, 0 approved] )
Processing: FileDocument( name =
\src\test\resources\input\10.5445IR1000150280-p15.pdf metaData = MetaData[0
license, 0 approved] )
Processing: FileDocument( name = \src\test\resources\input\10101-AR.pdf
metaData = MetaData[0 license, 0 approved] )
Processing: FileDocument( name = \src\test\resources\input\172096-p5.pdf
metaData = MetaData[0 license, 0 approved] )
Processing: FileDocument( name =
\src\test\resources\input\400241-p135-missing-space.pdf metaData = MetaData[0
license, 0 approved] )
Processing: FileDocument( name = \src\test\resources\input\433525-p1.pdf
metaData = MetaData[0 license, 0 approved] )
Processing: FileDocument( name = \src\test\resources\input\601501018.pdf
metaData = MetaData[0 license, 0 approved] )
Processing: FileDocument( name =
\src\test\resources\input\7LRS5U6CAFMN2P6JPTZVNBUW6XOFYH4M.pdf metaData =
MetaData[0 license, 0 approved] )
Processing: FileDocument( name = \src\test\resources\input\Acrobat9.pdf
metaData = MetaData[0 license, 0 approved] )
Processing: FileDocument( name = \src\test\resources\input\Exolab.pdf metaData
= MetaData[0 license, 0 approved] )
Processing: FileDocument( name =
\src\test\resources\input\FAWDFZM4EXMI27ZDB7IJXHKIEDQLKBCD-p3_reduced.pdf
metaData = MetaData[0 license, 0 approved] )
Processing: FileDocument( name = \src\test\resources\input\FC60_Times.pdf
metaData = MetaData[0 license, 0 approved] )
Processing: FileDocument( name =
\src\test\resources\input\FES-GGArabisch-p112.pdf metaData = MetaData[0
license, 0 approved] )
Processing: FileDocument( name =
\src\test\resources\input\FreedomExpressions.pdf metaData = MetaData[0 license,
0 approved] )
Unsupported character set 'IBM424_ltr' in file
'\src\test\resources\input\GQBOZYKKDEXTGJKCNZMYB5NIGXGDVTX2-spaced.pdf'. Will
use system default encoding.
Processing: FileDocument( name =
\src\test\resources\input\GQBOZYKKDEXTGJKCNZMYB5NIGXGDVTX2-spaced.pdf metaData
= MetaData[0 license, 0 approved] )
------------------------------------------------------------------------
BUILD FAILURE
------------------------------------------------------------------------
Total time: 02:56 min
Finished at: 2025-10-04T18:59:39+02:00
------------------------------------------------------------------------
Failed to execute goal org.apache.rat:apache-rat-plugin:0.17-SNAPSHOT:check
(default) on project pdfbox: java.lang.NullPointerException: Reader may not be
null -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.apache.rat:apache-rat-plugin:0.17-SNAPSHOT:check (default) on project
pdfbox: java.lang.NullPointerException: Reader may not be null
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
(MojoExecutor.java:333)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
(MojoExecutor.java:316)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:174)
at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
(MojoExecutor.java:75)
at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
(MojoExecutor.java:162)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
(DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:159)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:73)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:566)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:314)
Caused by: org.apache.maven.plugin.MojoExecutionException:
java.lang.NullPointerException: Reader may not be null
at org.apache.rat.mp.RatCheckMojo.execute (RatCheckMojo.java:193)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:126)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
(MojoExecutor.java:328)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
(MojoExecutor.java:316)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:174)
at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
(MojoExecutor.java:75)
at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
(MojoExecutor.java:162)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
(DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:159)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:73)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:566)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:314)
Caused by: org.apache.rat.api.RatException: java.lang.NullPointerException:
Reader may not be null
at org.apache.rat.api.RatException.makeRatException (RatException.java:29)
at org.apache.rat.Reporter.execute (Reporter.java:106)
at org.apache.rat.Reporter.output (Reporter.java:140)
at org.apache.rat.Reporter.output (Reporter.java:127)
at org.apache.rat.mp.RatCheckMojo.execute (RatCheckMojo.java:188)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:126)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
(MojoExecutor.java:328)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
(MojoExecutor.java:316)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:174)
at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
(MojoExecutor.java:75)
at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
(MojoExecutor.java:162)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
(DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:159)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:73)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:566)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:314)
Caused by: java.lang.NullPointerException: Reader may not be null
at java.util.Objects.requireNonNull (Objects.java:246)
at org.apache.rat.analysis.HeaderCheckWorker.<init>
(HeaderCheckWorker.java:128)
at org.apache.rat.analysis.HeaderCheckWorker.<init>
(HeaderCheckWorker.java:112)
at org.apache.rat.analysis.DocumentHeaderAnalyser.analyse
(DocumentHeaderAnalyser.java:57)
at org.apache.rat.analysis.AnalyserFactory$DefaultAnalyser.analyse
(AnalyserFactory.java:143)
at org.apache.rat.analysis.AnalyserFactory.lambda$createMultiplexer$1
(AnalyserFactory.java:71)
at org.apache.rat.report.claim.ClaimReporterMultiplexer.report
(ClaimReporterMultiplexer.java:64)
at org.apache.rat.walker.DirectoryWalker.process (DirectoryWalker.java:65)
at org.apache.rat.walker.DirectoryWalker.process (DirectoryWalker.java:67)
at org.apache.rat.walker.DirectoryWalker.process (DirectoryWalker.java:67)
at org.apache.rat.walker.DirectoryWalker.process (DirectoryWalker.java:67)
at org.apache.rat.walker.DirectoryWalker.process (DirectoryWalker.java:67)
at org.apache.rat.walker.DirectoryWalker.run (DirectoryWalker.java:50)
at org.apache.rat.walker.IReportableListWalker.run
(IReportableListWalker.java:62)
at org.apache.rat.Reporter.execute (Reporter.java:95)
at org.apache.rat.Reporter.output (Reporter.java:140)
at org.apache.rat.Reporter.output (Reporter.java:127)
at org.apache.rat.mp.RatCheckMojo.execute (RatCheckMojo.java:188)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:126)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
(MojoExecutor.java:328)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
(MojoExecutor.java:316)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:174)
at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
(MojoExecutor.java:75)
at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
(MojoExecutor.java:162)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
(DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:159)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:73)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:566)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:314)
For more information about the errors and possible solutions, please read the
following articles:
[Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
Shutting down adapter factory; available factories [file-lock, rwlock-local,
semaphore-local, noop]; available name mappers [discriminating, file-gav,
file-hgav, file-static, gav, static]
Shutting down 'file-lock' factory
Shutting down 'rwlock-local' factory
Shutting down 'semaphore-local' factory
Shutting down 'noop' factory
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