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    This is thrown when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. Make sure poi-ooxml library jar is added to your project's build path and you are using the latest version.

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via GitHub by bahrmichael
, 8 months ago
com/cloudbees/hudson/plugins/folder/AbstractFolder
java.lang.NoClassDefFoundError: hudson/ivy/IvyModuleSetBuild at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at hudson.ExtensionFinder$Sezpoz.scout(ExtensionFinder.java:188) at hudson.ExtensionList.scoutLoad(ExtensionList.java:245) at hudson.ExtensionList.ensureLoaded(ExtensionList.java:212) at hudson.ExtensionList.iterator(ExtensionList.java:113) at hudson.Launcher.decorateFor(Launcher.java:569) at hudson.model.Slave.createLauncher(Slave.java:308) at hudson.model.AbstractBuild$AbstractRunner.createLauncher(AbstractBuild.java:443) at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:401) at hudson.model.Run.run(Run.java:1280) at hudson.matrix.MatrixBuild.run(MatrixBuild.java:152) at hudson.model.ResourceController.execute(ResourceController.java:88) at hudson.model.Executor.run(Executor.java:139) at hudson.model.OneOffExecutor.run(OneOffExecutor.java:61)Caused by: java.lang.ClassNotFoundException: hudson.ivy.IvyModuleSetBuild at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 15 more