Worker exited due to exception

[BorzdeG]

java.lang.NullPointerException
at org.zkoss.zkidea.actions.GotoJavaClassHandler.getGotoDeclarationTargets(GotoJavaClassHandler.java:30)
at com.intellij.codeInsight.navigation.actions.GotoDeclarationAction.findTargetElementsNoVS(GotoDeclarationAction.java:245)
at com.intellij.codeInsight.navigation.CtrlMouseHandler.a(CtrlMouseHandler.java:531)
at com.intellij.codeInsight.navigation.CtrlMouseHandler.a(CtrlMouseHandler.java:510)
at com.intellij.codeInsight.navigation.CtrlMouseHandler.access$2600(CtrlMouseHandler.java:106)
at com.intellij.codeInsight.navigation.CtrlMouseHandler$TooltipProvider.a(CtrlMouseHandler.java:846)
at com.intellij.codeInsight.navigation.CtrlMouseHandler$TooltipProvider.access$2500(CtrlMouseHandler.java:786)
at com.intellij.codeInsight.navigation.CtrlMouseHandler$TooltipProvider$1.performInReadAction(CtrlMouseHandler.java:831)
at com.intellij.openapi.progress.util.ReadTask$1.compute(ReadTask.java:70)
at com.intellij.openapi.progress.util.ReadTask$1.compute(ReadTask.java:67)
at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:966)
at com.intellij.openapi.progress.util.ReadTask.runBackgroundProcess(ReadTask.java:67)
at com.intellij.openapi.progress.util.ProgressIndicatorUtils$7.compute(ProgressIndicatorUtils.java:227)
at com.intellij.openapi.progress.util.ProgressIndicatorUtils$7.compute(ProgressIndicatorUtils.java:223)
at com.intellij.openapi.progress.impl.CoreProgressManager$3.run(CoreProgressManager.java:162)
at com.intellij.openapi.progress.impl.CoreProgressManager$2.run(CoreProgressManager.java:142)
at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:446)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:392)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:54)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:127)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:159)
at com.intellij.openapi.progress.util.ProgressIndicatorUtils.a(ProgressIndicatorUtils.java:223)
at com.intellij.openapi.progress.util.ProgressIndicatorUtils.access$000(ProgressIndicatorUtils.java:45)
at com.intellij.openapi.progress.util.ProgressIndicatorUtils$6$2.run(ProgressIndicatorUtils.java:188)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)