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Build: NetBeans IDE 8.1 (Build 20151231-debian-8.1) VM: OpenJDK 64-Bit Server VM, 25.91-b14, OpenJDK Runtime Environment, 1.8.0_91-8u91-b14-3ubuntu1~16.04.1-b14 OS: Linux User Comments: GUEST: not working czeron: <Please provide a description of the problem or the steps to reproduce> When I want to add projects it appears this error: NoClassDefFoundError: com/thoughtworks/xstream/XStream GUEST: I dosen't work GUEST: Unable to open a Maven Project GUEST: - cloned a git repository - try to open project wiliansrodulfo: A java.lang.NoClassDefFoundError exception has occurred. However, the system should continue working without further problems. Click Show Details for the stack trace Stacktrace: java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/ExceptionUtils at com.peter.mavenrunner.MavenRunnerTopComponent.fromString(MavenRunnerTopComponent.java:840) at com.peter.mavenrunner.MavenRunnerTopComponent.refreshTree(MavenRunnerTopComponent.java:754) at com.peter.mavenrunner.MavenRunnerTopComponent$17.projectOpened(MavenRunnerTopComponent.java:865) at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectOpened(ProjectOpenedHook.java:0) at org.netbeans.modules.project.ui.OpenProjectList.notifyOpened(OpenProjectList.java:1298) at org.netbeans.modules.project.ui.OpenProjectList.doOpenProject(OpenProjectList.java:1379)
Created attachment 162753 [details] stacktrace
I have the same problem with 8.1 and Maven