[antlr-interest] defining custom delimiters

xbranko xbranko at netscape.net
Tue Apr 19 14:40:01 PDT 2011


Thanks for your help, but it mvn 2.2.1 doesn't work form either.

Output:
[INFO] [antlr:generate {execution: default}]
[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 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: 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)
        ... 17 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)
        ... 21 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)
        ... 22 more
Caused by: java.lang.NullPointerException
        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.mojo.antlr.metadata.MetadataExtracter.intrepret(MetadataExtracter.java:242)
        ... 23 more

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