[
https://issues.apache.org/jira/browse/DOXIA-744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael Osipov updated DOXIA-744:
---------------------------------
Description:
While trying to run mvn site the following happens:
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:50 min
[INFO] Finished at: 2024-10-02T03:55:28+02:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-site-plugin:3.20.0:site (default-site) on
project templateengine: Failed to render site: Error generating
maven-surefire-report-plugin:3.5.0:report report: Cannot invoke
"Object.toString()" because "value" is null -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.apache.maven.plugins:maven-site-plugin:3.20.0:site (default-site) on
project templateengine: Failed to render site
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:903)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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: Failed to render site
at org.apache.maven.plugins.site.render.SiteMojo.execute (SiteMojo.java:119)
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:903)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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.doxia.siterenderer.RendererException: Error
generating maven-surefire-report-plugin:3.5.0:report report
at
org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument
(ReportDocumentRenderer.java:210)
at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render
(DefaultSiteRenderer.java:300)
at org.apache.maven.plugins.site.render.SiteMojo.renderNonDoxiaDocuments
(SiteMojo.java:282)
at org.apache.maven.plugins.site.render.SiteMojo.renderLocale
(SiteMojo.java:147)
at org.apache.maven.plugins.site.render.SiteMojo.execute (SiteMojo.java:112)
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:903)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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: Cannot invoke "Object.toString()"
because "value" is null
at org.apache.maven.doxia.sink.impl.SinkUtils.getAttributeString
(SinkUtils.java:188)
at org.apache.maven.doxia.sink.impl.AbstractXmlSink.writeStartTag
(AbstractXmlSink.java:126)
at org.apache.maven.doxia.sink.impl.Xhtml5BaseSink.writeStartTag
(Xhtml5BaseSink.java:1647)
at org.apache.maven.doxia.sink.impl.AbstractXmlSink.writeStartTag
(AbstractXmlSink.java:95)
at org.apache.maven.doxia.sink.impl.Xhtml5BaseSink.anchor
(Xhtml5BaseSink.java:1204)
at org.apache.maven.doxia.sink.impl.AbstractSink.anchor
(AbstractSink.java:354)
at org.apache.maven.reporting.AbstractMavenReportRenderer.startSection
(AbstractMavenReportRenderer.java:132)
at org.apache.maven.reporting.AbstractMavenReportRenderer.startSection
(AbstractMavenReportRenderer.java:116)
at
org.apache.maven.plugins.surefire.report.SurefireReportRenderer.renderSectionPackages
(SurefireReportRenderer.java:220)
at
org.apache.maven.plugins.surefire.report.SurefireReportRenderer.renderBody
(SurefireReportRenderer.java:119)
at org.apache.maven.reporting.AbstractMavenReportRenderer.render
(AbstractMavenReportRenderer.java:93)
at
org.apache.maven.plugins.surefire.report.AbstractSurefireReport.executeReport
(AbstractSurefireReport.java:159)
at org.apache.maven.reporting.AbstractMavenReport.generate
(AbstractMavenReport.java:354)
at
org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument
(ReportDocumentRenderer.java:199)
at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render
(DefaultSiteRenderer.java:300)
at org.apache.maven.plugins.site.render.SiteMojo.renderNonDoxiaDocuments
(SiteMojo.java:282)
at org.apache.maven.plugins.site.render.SiteMojo.renderLocale
(SiteMojo.java:147)
at org.apache.maven.plugins.site.render.SiteMojo.execute (SiteMojo.java:112)
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:903)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
[DEBUG] 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]
[DEBUG] Shutting down 'file-lock' factory
[DEBUG] Shutting down 'rwlock-local' factory
[DEBUG] Shutting down 'semaphore-local' factory
[DEBUG] Shutting down 'noop' factory
I can see the problem within:
https://github.com/apache/maven-doxia/blob/master/doxia-core/src/main/java/org/apache/maven/doxia/sink/impl/SinkUtils.java
{noformat}
171: Object value = att.getAttribute(key); // gives back null -
for what kind of key ever
173: if (value instanceof AttributeSet) { // works, because has
implicit null check
183: } else { // here we go
188: .append(value.toString()) / crash - missing null pointer check
before calling toString()
{noformat}
was:
While trying to run mvn site the following happens:
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:50 min
[INFO] Finished at: 2024-10-02T03:55:28+02:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-site-plugin:3.20.0:site (default-site) on
project templateengine: Failed to render site: Error generating
maven-surefire-report-plugin:3.5.0:report report: Cannot invoke
"Object.toString()" because "value" is null -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.apache.maven.plugins:maven-site-plugin:3.20.0:site (default-site) on
project templateengine: Failed to render site
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:903)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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: Failed to render site
at org.apache.maven.plugins.site.render.SiteMojo.execute (SiteMojo.java:119)
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:903)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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.doxia.siterenderer.RendererException: Error
generating maven-surefire-report-plugin:3.5.0:report report
at
org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument
(ReportDocumentRenderer.java:210)
at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render
(DefaultSiteRenderer.java:300)
at org.apache.maven.plugins.site.render.SiteMojo.renderNonDoxiaDocuments
(SiteMojo.java:282)
at org.apache.maven.plugins.site.render.SiteMojo.renderLocale
(SiteMojo.java:147)
at org.apache.maven.plugins.site.render.SiteMojo.execute (SiteMojo.java:112)
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:903)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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: Cannot invoke "Object.toString()"
because "value" is null
at org.apache.maven.doxia.sink.impl.SinkUtils.getAttributeString
(SinkUtils.java:188)
at org.apache.maven.doxia.sink.impl.AbstractXmlSink.writeStartTag
(AbstractXmlSink.java:126)
at org.apache.maven.doxia.sink.impl.Xhtml5BaseSink.writeStartTag
(Xhtml5BaseSink.java:1647)
at org.apache.maven.doxia.sink.impl.AbstractXmlSink.writeStartTag
(AbstractXmlSink.java:95)
at org.apache.maven.doxia.sink.impl.Xhtml5BaseSink.anchor
(Xhtml5BaseSink.java:1204)
at org.apache.maven.doxia.sink.impl.AbstractSink.anchor
(AbstractSink.java:354)
at org.apache.maven.reporting.AbstractMavenReportRenderer.startSection
(AbstractMavenReportRenderer.java:132)
at org.apache.maven.reporting.AbstractMavenReportRenderer.startSection
(AbstractMavenReportRenderer.java:116)
at
org.apache.maven.plugins.surefire.report.SurefireReportRenderer.renderSectionPackages
(SurefireReportRenderer.java:220)
at
org.apache.maven.plugins.surefire.report.SurefireReportRenderer.renderBody
(SurefireReportRenderer.java:119)
at org.apache.maven.reporting.AbstractMavenReportRenderer.render
(AbstractMavenReportRenderer.java:93)
at
org.apache.maven.plugins.surefire.report.AbstractSurefireReport.executeReport
(AbstractSurefireReport.java:159)
at org.apache.maven.reporting.AbstractMavenReport.generate
(AbstractMavenReport.java:354)
at
org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument
(ReportDocumentRenderer.java:199)
at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render
(DefaultSiteRenderer.java:300)
at org.apache.maven.plugins.site.render.SiteMojo.renderNonDoxiaDocuments
(SiteMojo.java:282)
at org.apache.maven.plugins.site.render.SiteMojo.renderLocale
(SiteMojo.java:147)
at org.apache.maven.plugins.site.render.SiteMojo.execute (SiteMojo.java:112)
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:903)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
[DEBUG] 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]
[DEBUG] Shutting down 'file-lock' factory
[DEBUG] Shutting down 'rwlock-local' factory
[DEBUG] Shutting down 'semaphore-local' factory
[DEBUG] Shutting down 'noop' factory
I can see the problem within:
https://github.com/apache/maven-doxia/blob/master/doxia-core/src/main/java/org/apache/maven/doxia/sink/impl/SinkUtils.java
171: Object value = att.getAttribute(key); // gives back null -
for what kind of key ever
173: if (value instanceof AttributeSet) { // works, because has
implicit null check
183: } else { // here we go
188: .append(value.toString()) / crash - missing null pointer check
before calling toString()
> Null Pointer Exception
> ----------------------
>
> Key: DOXIA-744
> URL: https://issues.apache.org/jira/browse/DOXIA-744
> Project: Maven Doxia
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.0
> Environment: Windows 10
> Reporter: Kai Hofmann
> Priority: Blocker
> Labels: nullpointerexception
>
> While trying to run mvn site the following happens:
>
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 01:50 min
> [INFO] Finished at: 2024-10-02T03:55:28+02:00
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-site-plugin:3.20.0:site (default-site) on
> project templateengine: Failed to render site: Error generating
> maven-surefire-report-plugin:3.5.0:report report: Cannot invoke
> "Object.toString()" because "value" is null -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.maven.plugins:maven-site-plugin:3.20.0:site (default-site) on
> project templateengine: Failed to render site
> 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:903)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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: Failed to render
> site
> at org.apache.maven.plugins.site.render.SiteMojo.execute
> (SiteMojo.java:119)
> 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:903)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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.doxia.siterenderer.RendererException: Error
> generating maven-surefire-report-plugin:3.5.0:report report
> at
> org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument
> (ReportDocumentRenderer.java:210)
> at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render
> (DefaultSiteRenderer.java:300)
> at org.apache.maven.plugins.site.render.SiteMojo.renderNonDoxiaDocuments
> (SiteMojo.java:282)
> at org.apache.maven.plugins.site.render.SiteMojo.renderLocale
> (SiteMojo.java:147)
> at org.apache.maven.plugins.site.render.SiteMojo.execute
> (SiteMojo.java:112)
> 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:903)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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: Cannot invoke "Object.toString()"
> because "value" is null
> at org.apache.maven.doxia.sink.impl.SinkUtils.getAttributeString
> (SinkUtils.java:188)
> at org.apache.maven.doxia.sink.impl.AbstractXmlSink.writeStartTag
> (AbstractXmlSink.java:126)
> at org.apache.maven.doxia.sink.impl.Xhtml5BaseSink.writeStartTag
> (Xhtml5BaseSink.java:1647)
> at org.apache.maven.doxia.sink.impl.AbstractXmlSink.writeStartTag
> (AbstractXmlSink.java:95)
> at org.apache.maven.doxia.sink.impl.Xhtml5BaseSink.anchor
> (Xhtml5BaseSink.java:1204)
> at org.apache.maven.doxia.sink.impl.AbstractSink.anchor
> (AbstractSink.java:354)
> at org.apache.maven.reporting.AbstractMavenReportRenderer.startSection
> (AbstractMavenReportRenderer.java:132)
> at org.apache.maven.reporting.AbstractMavenReportRenderer.startSection
> (AbstractMavenReportRenderer.java:116)
> at
> org.apache.maven.plugins.surefire.report.SurefireReportRenderer.renderSectionPackages
> (SurefireReportRenderer.java:220)
> at
> org.apache.maven.plugins.surefire.report.SurefireReportRenderer.renderBody
> (SurefireReportRenderer.java:119)
> at org.apache.maven.reporting.AbstractMavenReportRenderer.render
> (AbstractMavenReportRenderer.java:93)
> at
> org.apache.maven.plugins.surefire.report.AbstractSurefireReport.executeReport
> (AbstractSurefireReport.java:159)
> at org.apache.maven.reporting.AbstractMavenReport.generate
> (AbstractMavenReport.java:354)
> at
> org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument
> (ReportDocumentRenderer.java:199)
> at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render
> (DefaultSiteRenderer.java:300)
> at org.apache.maven.plugins.site.render.SiteMojo.renderNonDoxiaDocuments
> (SiteMojo.java:282)
> at org.apache.maven.plugins.site.render.SiteMojo.renderLocale
> (SiteMojo.java:147)
> at org.apache.maven.plugins.site.render.SiteMojo.execute
> (SiteMojo.java:112)
> 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:903)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:280)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:203)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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)
> [ERROR]
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please
> read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
> [DEBUG] 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]
> [DEBUG] Shutting down 'file-lock' factory
> [DEBUG] Shutting down 'rwlock-local' factory
> [DEBUG] Shutting down 'semaphore-local' factory
> [DEBUG] Shutting down 'noop' factory
>
> I can see the problem within:
>
> https://github.com/apache/maven-doxia/blob/master/doxia-core/src/main/java/org/apache/maven/doxia/sink/impl/SinkUtils.java
>
> {noformat}
> 171: Object value = att.getAttribute(key); // gives back null -
> for what kind of key ever
> 173: if (value instanceof AttributeSet) { // works, because
> has implicit null check
> 183: } else { // here we go
> 188: .append(value.toString()) / crash - missing null pointer check
> before calling toString()
> {noformat}
>
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