[
http://jira.codehaus.org/browse/MANTLR-20?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vincent Siveton closed MANTLR-20.
---------------------------------
Assignee: Vincent Siveton
Resolution: Fixed
Fix Version/s: 2.0-beta-2
Throw an Exception. BTW the grammar seems to be not valid.
> Cannot execute the plugin: NullPointerException in
> AntlrPlugin.execute(AntlrPlugin.java:75)
> -------------------------------------------------------------------------------------------
>
> Key: MANTLR-20
> URL: http://jira.codehaus.org/browse/MANTLR-20
> Project: Maven 2.x Antlr Plugin
> Issue Type: Bug
> Affects Versions: 2.0-beta-1
> Environment: java version "1.5.0_11"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_11-b03)
> Java HotSpot(TM) 64-Bit Server VM (build 1.5.0_11-b03, mixed mode)
> Maven version: 2.0.6
> Reporter: Régis Décamps
> Assignee: Vincent Siveton
> Priority: Critical
> Fix For: 2.0-beta-2
>
> Attachments: mantlr-20.zip, mantrl-20.log
>
>
> Maven fails to execute the antlr:geenrate task.
> It fails with a NullPointerException
> {panel:title=Console}
> mvn antlr:generate
> [kro64]
> [INFO] Scanning for projects...
> [INFO] Searching repository for plugin with prefix: 'antlr'.
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Building Unnamed - fr.bdf.sptim.telma:telma-parser:jar:0.0.1
> [INFO] task-segment: [antlr:generate]
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] [antlr:generate]
> [INFO] grammar: /home/regis/workspace/telma-parser/src/main/antlr/java.g
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] null
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
> at
> org.apache.maven.plugin.antlr.AntlrPlugin.execute(AntlrPlugin.java:75)
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
> 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:272)
> 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:585)
> 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)
> {panel}
> Here is my POM:
> {code:title=pom.xml|xml}
> <?xml version="1.0" encoding="UTF-8"?>
> <project>
> <modelVersion>4.0.0</modelVersion>
> <groupId>fr.bdf.sptim.telma</groupId>
> <artifactId>telma-parser</artifactId>
> <version>0.0.1</version>
> <description></description>
> <build>
> <plugins>
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-antlr-plugin</artifactId>
> <configuration>
> <grammars>java.g</grammars>
> </configuration>
> <executions>
> <execution>
> <goals>
> <goal>generate</goal>
> </goals>
> </execution>
> </executions>
> </plugin>
> </plugins>
> </build>
> </project>
> {code}
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