Does anyone happen to know the reason for this build failure? Mvn -e install
[INFO] Copying 1 resource [INFO] Copying 3 resources [INFO] [compiler:compile {execution: default-compile}] [INFO] Compiling 149 source files to /home/anthony/vmops/incubator-cloudstack/utils/target/classes [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Fatal error compiling Embedded error: Unknown error trying to execute the external compiler: /bin/sh -c cd /home/anthony/vmops/incubator-cloudstack/utils && /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/../bin/javac @/tmp/org.codehaus.plexus.compiler.javac.JavacCompiler2834249135099674749arguments -J-Xmx512m -J-Xms128m [INFO] ------------------------------------------------------------------------ [INFO] Trace org.apache.maven.lifecycle.LifecycleExecutionException: Fatal error compiling at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:719) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) 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) Caused by: org.apache.maven.plugin.MojoExecutionException: Fatal error compiling at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:683) at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:128) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694) ... 17 more Caused by: org.codehaus.plexus.compiler.CompilerException: Unknown error trying to execute the external compiler: /bin/sh -c cd /home/anthony/vmops/incubator-cloudstack/utils && /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/../bin/javac @/tmp/org.codehaus.plexus.compiler.javac.JavacCompiler2834249135099674749arguments -J-Xmx512m -J-Xms128m at org.codehaus.plexus.compiler.javac.JavacCompiler.compileOutOfProcess(JavacCompiler.java:496) at org.codehaus.plexus.compiler.javac.JavacCompiler.compile(JavacCompiler.java:163) at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:678) ... 20 more [INFO] ------------------------------------------------------------------------ [INFO] Total time: 9 seconds [INFO] Finished at: Fri Jan 11 16:41:03 PST 2013 [INFO] Final Memory: 42M/350M [INFO] ------------------------------------------------------------------------