Wrong error reported for antlr3 plugin when NPE error
-----------------------------------------------------
Key: MOJO-1004
URL: http://jira.codehaus.org/browse/MOJO-1004
Project: Mojo
Issue Type: Bug
Reporter: Erik Putrycz
Priority: Minor
As this stacktrace and output log show, the error "directory not found" doesn't
seem to be right.
[EMAIL PROTECTED]:~/workspaces/workspace-cobol/brextractor/cobol-toolkit> mvn
-e antlr3:antlr
+ Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO] Searching repository for plugin with prefix: 'antlr3'.
[INFO]
----------------------------------------------------------------------------
[INFO] Building COBOL Parser and ANTLR Tools
[INFO] task-segment: [antlr3:antlr]
[INFO]
----------------------------------------------------------------------------
[INFO] [antlr3:antlr]
error(5): directory not found:
/home/putrycze/workspaces/workspace-cobol/brextractor/cobol-toolkit/target/generated-sources/antlr
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException:
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:564)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:493)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:463)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:280)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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:
at
org.codehaus.mojo.antlr3.Antlr3PluginMojo.execute(Antlr3PluginMojo.java:143)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
... 16 more
Caused by: java.lang.NullPointerException
at
org.antlr.tool.AssignTokenTypesWalker.aliasTokenIDsAndLiterals(AssignTokenTypesWalker.java:257)
at
org.antlr.tool.AssignTokenTypesWalker.assignTypes(AssignTokenTypesWalker.java:211)
at
org.antlr.tool.AssignTokenTypesWalker.grammar(AssignTokenTypesWalker.java:375)
at org.antlr.tool.Grammar.setGrammarContent(Grammar.java:547)
at org.antlr.tool.Grammar.<init>(Grammar.java:456)
at org.antlr.Tool.getGrammar(Tool.java:331)
at
org.antlr.tool.BuildDependencyGenerator.<init>(BuildDependencyGenerator.java:62)
at
org.codehaus.mojo.antlr3.Antlr3PluginMojo.processGrammarFile(Antlr3PluginMojo.java:205)
at
org.codehaus.mojo.antlr3.Antlr3PluginMojo.processGrammarFiles(Antlr3PluginMojo.java:173)
at
org.codehaus.mojo.antlr3.Antlr3PluginMojo.execute(Antlr3PluginMojo.java:139)
... 18 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1 second
[INFO] Finished at: Fri Jan 18 15:54:19 EST 2008
[INFO] Final Memory: 20M/64M
[INFO] ------------------------------------------------------------------------
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