Hi, It does seem that m2e BuildProblemInfo cannot cope with nulls in exception error message and fails to log the root problem. Until this is fixed, you can consult the 0.log file in <workspace>/.metadata/.plugins/org.eclipse.m2e.logback.configuration but since mojo execution exceptions are logged with debug severity, you should enable that in logback config in the same dir. Most probably there's an NPE from somewhere.
2014-10-23 12:47 GMT+03:00 MEYER, Julien <[email protected]>: > Hi everyone, > > > > I am having trouble using the new Eclipse Luna 4.4 SR1 with my m2e > plugins. The thing is that when I am saving a JSP file (or whatever) > followed by a project build (Project > Build Project), eclipse raised an > exception that I really don’t unterstand. It happens when I am copying > files from one project to another too. > > > > I’ve searched for hours but I didn’t fight the right answer of my > questions in the web so I thought you guys could help me. > > > > Here is the stack trace of the exception I am fighting with : > > > > « Message : Errors running builder 'Maven Project Builder' on project > 'efluid-webapp'. > > !ENTRY org.eclipse.core.resources 4 2 2014-10-23 11:26:54.575 > > !MESSAGE Problems occurred when invoking code from plug-in: > "org.eclipse.core.resources". > > !STACK 0 > > java.lang.NullPointerException > > at java.lang.StringBuilder.<init>(Unknown Source) > > at > org.eclipse.m2e.core.internal.builder.BuildProblemInfo.formatMessage(BuildProblemInfo.java:27) > > at > org.eclipse.m2e.core.internal.builder.BuildProblemInfo.<init>(BuildProblemInfo.java:23) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.processBuildResults(MavenBuilderImpl.java:312) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:174) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:115) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:105) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200) > > at > org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:734) > > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246) > > at > org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:299) > > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:302) > > at > org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:358) > > at > org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:381) > > at > org.eclipse.core.internal.resources.Workspace.buildInternal(Workspace.java:496) > > at > org.eclipse.core.internal.resources.Workspace.build(Workspace.java:405) > > at > org.eclipse.ui.actions.GlobalBuildAction$1.run(GlobalBuildAction.java:180) > > at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) > > > > !ENTRY org.eclipse.core.resources 4 75 2014-10-23 11:26:54.577 > > !MESSAGE Errors occurred during the build. > > !SUBENTRY 1 org.eclipse.m2e.core 4 75 2014-10-23 11:26:54.577 > > !MESSAGE Errors running builder 'Maven Project Builder' on project > 'efluid-webapp'. > > !STACK 0 > > java.lang.NullPointerException > > at java.lang.StringBuilder.<init>(Unknown Source) > > at > org.eclipse.m2e.core.internal.builder.BuildProblemInfo.formatMessage(BuildProblemInfo.java:27) > > at > org.eclipse.m2e.core.internal.builder.BuildProblemInfo.<init>(BuildProblemInfo.java:23) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.processBuildResults(MavenBuilderImpl.java:312) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:174) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:115) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:105) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200) > > at > org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:734) > > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246) > > at > org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:299) > > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:302) > > at > org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:358) > > at > org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:381) > > at > org.eclipse.core.internal.resources.Workspace.buildInternal(Workspace.java:496) > > at > org.eclipse.core.internal.resources.Workspace.build(Workspace.java:405) > > at > org.eclipse.ui.actions.GlobalBuildAction$1.run(GlobalBuildAction.java:180) > > at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) > > > > !ENTRY org.eclipse.core.resources 4 2 2014-10-23 11:27:34.585 > > !MESSAGE Problems occurred when invoking code from plug-in: > "org.eclipse.core.resources". > > !STACK 0 > > java.lang.NullPointerException > > at java.lang.StringBuilder.<init>(Unknown Source) > > at > org.eclipse.m2e.core.internal.builder.BuildProblemInfo.formatMessage(BuildProblemInfo.java:27) > > at > org.eclipse.m2e.core.internal.builder.BuildProblemInfo.<init>(BuildProblemInfo.java:23) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.processBuildResults(MavenBuilderImpl.java:312) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:174) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:115) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:105) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200) > > at > org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:734) > > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246) > > at > org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:299) > > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:302) > > at > org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:358) > > at > org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:381) > > at > org.eclipse.core.internal.resources.Workspace.buildInternal(Workspace.java:496) > > at > org.eclipse.core.internal.resources.Workspace.build(Workspace.java:405) > > at > org.eclipse.ui.actions.GlobalBuildAction$1.run(GlobalBuildAction.java:180) > > at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) > > > > !ENTRY org.eclipse.core.resources 4 75 2014-10-23 11:27:34.600 > > !MESSAGE Errors occurred during the build. > > !SUBENTRY 1 org.eclipse.m2e.core 4 75 2014-10-23 11:27:34.600 > > !MESSAGE Errors running builder 'Maven Project Builder' on project > 'efluid-webapp'. > > !STACK 0 > > java.lang.NullPointerException > > at java.lang.StringBuilder.<init>(Unknown Source) > > at > org.eclipse.m2e.core.internal.builder.BuildProblemInfo.formatMessage(BuildProblemInfo.java:27) > > at > org.eclipse.m2e.core.internal.builder.BuildProblemInfo.<init>(BuildProblemInfo.java:23) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.processBuildResults(MavenBuilderImpl.java:312) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:174) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:115) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:105) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151) > > at > org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86) > > at > org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200) > > at > org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:734) > > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246) > > at > org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:299) > > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:302) > > at > org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:358) > > at > org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:381) > > at > org.eclipse.core.internal.resources.Workspace.buildInternal(Workspace.java:496) > > at > org.eclipse.core.internal.resources.Workspace.build(Workspace.java:405) > > at > org.eclipse.ui.actions.GlobalBuildAction$1.run(GlobalBuildAction.java:180) > > at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) » > > > > > > Let me give you a little summary of the m2e plugins present in my eclipse : > > > > Name of the plugin > > Version > > m2e - Maven Integration for Eclipse > > v. 1.6.0.20140819-1152 > > m2e - slf4j over logback logging > > v. 1.6.0.20140819-1152 > > m2e connector for build-helper-maven-plugin (PROBLEM HERE ?) > > v. 0.15.0.201207090124 > > Maven Integration for Eclipse JDT APT (m2e-apt) > > v. 1.1.1.201409241934 > > > > And my computer settings : > > Eclipse.version=Eclipse Luna 4.4.1 > > java.version=1.7.0_45 > > java.vendor=Sun Microsystems Inc. > > > > I apologize in advance if I am using the wrong mailing list. Please tell > me if so. Plus I apologize for my English if I made some mistakes. > > > > Thanks > > -Julien > > _______________________________________________ > m2e-users mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/m2e-users > -- Regards, Anton.
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