Validation doesn't work - NoClassDefFoundError: jdk/nashorn/internal/runtime/ECMAException ------------------------------------------------------------------------------------------ Key: JBDS-4157 URL: https://issues.jboss.org/browse/JBDS-4157 Project: Red Hat JBoss Developer Studio (devstudio) Issue Type: Bug Components: rpm, webservices Affects Versions: 10.2.0.AM3 Environment: RHEL7, 64bit Reporter: Lukáš Valach Assignee: Xavier Coulon Fix For: 10.2.0.GA Attachments: eclipse_log_ECMAException.txt, jboss-as-kitchensink-html5-mobile.zip I notice that devstudio isn't able to validate rest service class. There is following error in the log. {code} !ENTRY org.eclipse.core.jobs 4 2 2016-11-03 11:52:21.836 !MESSAGE An internal error occurred during: "Validating jboss-as-kitchensink-html5-mobile". !STACK 0 java.lang.NoClassDefFoundError: jdk/nashorn/internal/runtime/ECMAException at org.eclipse.wst.jsdt.core.dom.ASTParser.internalCreateAST(ASTParser.java:903) at org.eclipse.wst.jsdt.core.dom.ASTParser.createAST(ASTParser.java:673) at org.eclipse.wst.jsdt.internal.core.validation.JavaScriptValidator.validate(JavaScriptValidator.java:62) at org.eclipse.wst.validation.Validator$V2.validate(Validator.java:1159) at org.eclipse.wst.validation.internal.ValManager.validate(ValManager.java:704) at org.eclipse.wst.validation.internal.ValManager$1.visit(ValManager.java:665) at org.eclipse.wst.validation.internal.ValManager.accept(ValManager.java:810) at org.eclipse.wst.validation.internal.ValManager.validate(ValManager.java:669) at org.eclipse.wst.validation.internal.ValBuilderJob$Visitor.visit(ValBuilderJob.java:299) at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:120) at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:84) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87) at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:129) at org.eclipse.core.internal.resources.Resource.accept(Resource.java:94) at org.eclipse.core.internal.resources.Resource.accept(Resource.java:52) at org.eclipse.core.internal.resources.Resource.accept(Resource.java:117) at org.eclipse.core.internal.resources.Resource.accept(Resource.java:105) at org.eclipse.wst.validation.internal.ValBuilderJob.fullBuild(ValBuilderJob.java:219) at org.eclipse.wst.validation.internal.ValBuilderJob.run(ValBuilderJob.java:178) at org.eclipse.wst.validation.internal.ValBuilderJob.runInWorkspace(ValBuilderJob.java:126) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:39) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.ClassNotFoundException: jdk.nashorn.internal.runtime.ECMAException cannot be found by org.eclipse.wst.jsdt.core_2.0.0.v201610121400 at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:461) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:372) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:364) at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:161) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 27 more {code} There are also errors like this {code} java.lang.NoClassDefFoundError: org/apache/lucene/analysis/standard/StandardAnalyzer {code} I know that lucene is known issue but what about ECMAException?