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Date: Thu, 19 Jul 2012 09:27:34 +0000 (UTC)
From: "Jiri Peinlich (JIRA)" <jira@apache.org>
To: dev@tomcat.apache.org
Message-ID: <936418710.74999.1342690054955.JavaMail.jiratomcat@issues-vm>
Subject: [jira] [Created] (MTOMCAT-168) Nullpointer exception in run mojo
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Jiri Peinlich created MTOMCAT-168:
-------------------------------------

             Summary: Nullpointer exception in run mojo
                 Key: MTOMCAT-168
                 URL: https://issues.apache.org/jira/browse/MTOMCAT-168
             Project: Apache Tomcat Maven Plugin
          Issue Type: Bug
          Components: tomcat7
    Affects Versions: 2.0-beta-1
         Environment: windows mingw
            Reporter: Jiri Peinlich
            Assignee: Olivier Lamy (*$^=C2=A8%`=C2=A3)


when using enpty aditionalClasspathDir tag in the the plugin settings and r=
unning the mvn tomcat7:run mojo I got the following nullpointer exception. =
 I am currently learning how the whole plugin works. I got the initial plug=
in configuration from here:
http://tomcat.apache.org/maven-plugin-2/run-mojo-features.html

I removed parts that are not applicable for my project but i kept the empty=
 additionalClasspathDir as in the example:
<additionalClasspathDirs>
                    <additionalClasspathDir></additionalClasspathDir>
</additionalClasspathDirs>

When removing this section i did not get the exception anymore

Null Pointer exception:
[ERROR] Failed to execute goal org.apache.tomcat.maven:tomcat7-maven-plugin=
:2.0-
beta-1:run (default-cli) on project ITA: Execution default-cli of goal org.=
apach
e.tomcat.maven:tomcat7-maven-plugin:2.0-beta-1:run failed. NullPointerExcep=
tion
-> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute g=
oal o
rg.apache.tomcat.maven:tomcat7-maven-plugin:2.0-beta-1:run (default-cli) on=
 proj
ect ITA: Execution default-cli of goal org.apache.tomcat.maven:tomcat7-mave=
n-plu
gin:2.0-beta-1:run failed.
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExe=
cutor
.java:225)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExe=
cutor
.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExe=
cutor
.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.build=
Proje
ct(LifecycleModuleBuilder.java:84)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.build=
Proje
ct(LifecycleModuleBuilder.java:59)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThrea=
dedBu
ild(LifecycleStarter.java:183)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(Lif=
ecycl
eStarter.java:161)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor=
Impl.
java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethod=
Acces
sorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced=
(Laun
cher.java:290)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launche=
r.jav
a:230)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCo=
de(La
uncher.java:409)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.=
java:
352)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution defa=
ult-c
li of goal org.apache.tomcat.maven:tomcat7-maven-plugin:2.0-beta-1:run fail=
ed.
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(De=
fault
BuildPluginManager.java:110)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExe=
cutor
.java:209)
        ... 19 more
Caused by: java.lang.NullPointerException
        at org.apache.tomcat.maven.plugin.tomcat7.run.RunMojo.createWebappL=
oader
(RunMojo.java:268)
        at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.creat=
eCont
ext(AbstractRunMojo.java:415)
        at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.start=
Conta
iner(AbstractRunMojo.java:719)
        at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.execu=
te(Ab
stractRunMojo.java:353)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(De=
fault
BuildPluginManager.java:101)
        ... 20 more
[ERROR]
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, pleas=
e rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExe=
cutio
nException

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