Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Jenkins JIRA by Kohsuke Kawaguchi, 1 year ago
This exception has no message.
via archiva-users by Aaron.Digulla@Globus.ch, 2 years ago
via jakarta-cactus-user by Dennis Kempin, 11 months ago
This exception has no message.
via maven-doxia-users by Elliot Metsger, 2 years ago
This exception has no message.
via maven-doxia-users by Brett Porter, 2 years ago
This exception has no message.
java.lang.NullPointerException at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:292) at org.apache.maven.plugin.DefaultPluginManager.verifyVersionedPlugin(DefaultPluginManager.java:198) at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:163) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.verifyPlugin(DefaultLifecycleExecutor.java:1252) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.findArtifactTypeHandlers(DefaultLifecycleExecutor.java:1171) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.findExtensions(DefaultLifecycleExecutor.java:173) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:138) at org.apache.maven.lifecycle.LifecycleExecutorInterceptor.execute(LifecycleExecutorInterceptor.java:35) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115) at org.apache.maven.cli.MavenCli.main(MavenCli.java:256) 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 hudson.maven.agent.Main.launch(Main.java:89) at hudson.maven.MavenBuild$Builder.call(MavenBuild.java:172) at hudson.maven.MavenBuild$Builder.call(MavenBuild.java:140) at hudson.remoting.UserRequest.perform(UserRequest.java:57) at hudson.remoting.UserRequest.perform(UserRequest.java:22) at hudson.remoting.Request$2.run(Request.java:178) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675) at java.lang.Thread.run(Thread.java:595)