NPE in at
org.codehaus.mojo.openjpa.OpenJpaEnhancerMojo.enhance(OpenJpaEnhancerMojo.java:200),
if configuration is wrong
------------------------------------------------------------------------------------------------------------------------
Key: MOJO-1165
URL: http://jira.codehaus.org/browse/MOJO-1165
Project: Mojo
Issue Type: Bug
Components: openjpa
Reporter: Michael Vorburger
If you do e.g. only:
<configuration>
<classpathElements>${project.testClasspathElements}</classpathElements>
</configuration>
instead of:
<configuration>
<classpathElements>${project.testClasspathElements}</classpathElements>
<toolProperties>
<property>
<name>addDefaultConstructor</name>
<value>false</value>
</property>
<property>
<name>enforcePropertyRestrictions</name>
<value>false</value>
</property>
</toolProperties>
</configuration>
then you get a:
java.lang.NullPointerException
at
org.codehaus.mojo.openjpa.OpenJpaEnhancerMojo.enhance(OpenJpaEnhancerMojo.java:200)
at
org.codehaus.mojo.openjpa.OpenJpaEnhancerMojo.execute(OpenJpaEnhancerMojo.java:105)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:499)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:478)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:291)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
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)
An NPE is always a shame - a clear message "invalid configuration, missing
tada, bla bla" would be great.
PS: I don't seem to be the only one who ran into this, see
http://markmail.org/message/ymugqol7drewuo5c !
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