[mojo-dev] [jira] (MANTLR-34) NullPointerException when building Jenkins

[Emmanuel Bourg (JIRA)]

Emmanuel Bourg created MANTLR-34 NullPointerException when building Jenkins Issue Type: Bug Affects Versions: 2.2 Assignee: Unassigned Created: 04/Jul/13 3:01 AM Description: Hi, I'd like to report a possible regression with the version 2.2 of the plugin. After upgrading the plugin from 2.1 to 2.2 for Jenkins the following error occurs: [INFO] [antlr:generate {execution: cron}] [INFO] performing grammar generation [crontab.g] ANTLR Parser Generator Version 2.7.7 (20130425) 1989-2005 [INFO] [antlr:generate {execution: labelExpr}] [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Unable to build grammar metadata Embedded error: Error attempting to access grammars within grammar file [INFO] ------------------------------------------------------------------------ [INFO] Trace org.apache.maven.lifecycle.LifecycleExecutionException: Unable to build grammar metadata at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:719) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) at org.debian.maven.Wrapper.main(Wrapper.java:92) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: org.apache.maven.plugin.MojoExecutionException: Unable to build grammar metadata at org.codehaus.mojo.antlr.metadata.MetadataExtracter.processMetadata(MetadataExtracter.java:165) at org.codehaus.mojo.antlr.AbstractAntlrMojo.executeAntlr(AbstractAntlrMojo.java:205) at org.codehaus.mojo.antlr.AntlrPlugin.execute(AntlrPlugin.java:48) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694) ... 18 more Caused by: org.apache.maven.plugin.MojoExecutionException: Error attempting to access grammars within grammar file at org.codehaus.mojo.antlr.metadata.MetadataExtracter.intrepretMetadata(MetadataExtracter.java:211) at org.codehaus.mojo.antlr.metadata.MetadataExtracter.processMetadata(MetadataExtracter.java:160) ... 22 more Caused by: org.apache.maven.plugin.MojoExecutionException: Error accessing Antlr grammar metadata at org.codehaus.mojo.antlr.metadata.MetadataExtracter.intrepret(MetadataExtracter.java:274) at org.codehaus.mojo.antlr.metadata.MetadataExtracter.intrepretMetadata(MetadataExtracter.java:206) ... 23 more Caused by: java.lang.NullPointerException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.codehaus.mojo.antlr.metadata.MetadataExtracter.intrepret(MetadataExtracter.java:242) ... 24 more It's seem Gammar.getOptions() returns null and cause this error Project: Maven 2.x Antlr Plugin Priority: Major Reporter: Emmanuel Bourg

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