java.lang.NoClassDefFoundError: com/puppycrawl/tools/checkstyle/api/CheckstyleException

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Samebug tips


you can change your scala version to 2.11.11

Expert tip

A few things cause this exception:
1) Check if you have all jars and if they're in the correct path.
2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

Solutions on the web

via Stack Overflow by SirArt
, 10 months ago
java.lang.NoClassDefFoundError: com/puppycrawl/tools/checkstyle/api/CheckstyleException
at java.lang.ClassLoader.loadClass(
at java.lang.ClassLoader.loadClass(
at ch.ntb.sir.ntbbluejextension.NtbBlueJExtension.startup(
at bluej.extmgr.ExtensionWrapper.safeStartup(
at bluej.extmgr.ExtensionWrapper.newExtension(
at bluej.extmgr.ExtensionsManager.loadDirectoryExtensions(
at bluej.extmgr.ExtensionsManager.loadExtensions(
at bluej.extmgr.ExtensionsManager.getInstance(
at bluej.Main.(
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
at java.lang.reflect.Constructor.newInstance(
at java.lang.Class.newInstance(
at bluej.Boot.bootBluej(
at bluej.Boot.main(

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