Re: NullPointer with maven-ant-tasks-2.0.6 (linux)

Wed, 20 Jun 2007 12:35:30 -0700 

Now I get the following detailed stacktrace:

[..]
Finding class org.apache.maven.artifact.versioning.Restriction
Loaded from /home/maj0r/source/JWWatcher/build/maven-ant-tasks-2.0.6.jar org/apache/maven/artifact/versioning/Restriction.class Class org.apache.maven.artifact.versioning.Restriction loaded from ant loader (parentFirst) 

BUILD FAILED

/home/maj0r/source/JWWatcher/build/build.xml:10: 
java.lang.NullPointerException
       at 
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:115)

       at org.apache.tools.ant.Task.perform(Task.java:348)
       at org.apache.tools.ant.Target.execute(Target.java:357)

       at 
org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:140)
       at 
org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:96)

       at org.apache.tools.ant.Main.runBuild(Main.java:683)
       at org.apache.tools.ant.Main.startAnt(Main.java:199)
       at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
       at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
Caused by: java.lang.NullPointerException
       at java.io.File.<init>(File.java:222)

       at 
org.apache.maven.artifact.ant.AbstractArtifactTask.getDefaultLocalRepository(AbstractArtifactTask.java:166)
       at 
org.apache.maven.artifact.ant.AbstractArtifactTask.createLocalArtifactRepository(AbstractArtifactTask.java:79)
       at 
org.apache.maven.artifact.ant.DependenciesTask.doExecute(DependenciesTask.java:80)
       at 
org.apache.maven.artifact.ant.AbstractArtifactTask.execute(AbstractArtifactTask.java:469)
       at 
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)

       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.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)

       ... 8 more
--- Nested Exception ---
java.lang.NullPointerException
       at java.io.File.<init>(File.java:222)

       at 
org.apache.maven.artifact.ant.AbstractArtifactTask.getDefaultLocalRepository(AbstractArtifactTask.java:166)
       at 
org.apache.maven.artifact.ant.AbstractArtifactTask.createLocalArtifactRepository(AbstractArtifactTask.java:79)
       at 
org.apache.maven.artifact.ant.DependenciesTask.doExecute(DependenciesTask.java:80)
       at 
org.apache.maven.artifact.ant.AbstractArtifactTask.execute(AbstractArtifactTask.java:469)
       at 
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)

       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.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)

       at org.apache.tools.ant.Task.perform(Task.java:348)
       at org.apache.tools.ant.Target.execute(Target.java:357)

       at 
org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:140)
       at 
org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:96)

       at org.apache.tools.ant.Main.runBuild(Main.java:683)
       at org.apache.tools.ant.Main.startAnt(Main.java:199)
       at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
       at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)

Total time: 4 seconds

Regards,
Torsten Krall



Hervé BOUTEMY wrote:

Hi,

I'm working on these tasks under Linux without any problem.
Can you run "ant -d" and give me the full stacktrace?

Hervé

Le mardi 19 juin 2007, Torsten Krall a écrit :

  

Hi,

I use following build.xml:

<project name="myproject" default="complete" basedir=".."
xmlns:artifact="urn:maven-artifact-ant">

   <path id="maven-ant-tasks.classpath"
path="${basedir}/build/maven-ant-tasks-2.0.6.jar" />
   <typedef resource="org/apache/maven/artifact/ant/antlib.xml"
uri="urn:maven-artifact-ant" classpathref="maven-ant-tasks.classpath" />

   <artifact:pom file="${basedir}/pom.xml" id="maven.project" />

LINE10:    <artifact:dependencies
settingsFile="${user.home}/.m2/settings.xml" pathId="compile.classpath"
filesetId="compile.fileset" useScope="compile">
       <pom refid="maven.project" />
   </artifact:dependencies>

[..]


Executing this script I get the following error but this script works
well with windows and no change at all.

Buildfile: /home/maj0r/source/JWWatcher/build/build.xml

BUILD FAILED
/home/maj0r/source/JWWatcher/build/build.xml:10:
java.lang.NullPointerException

Total time: 956 milliseconds


Does anyone have the same problem or a hint for me?

Regards,
Torsten

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