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Posted to commits@netbeans.apache.org by "Laszlo Kishalmi (JIRA)" <ji...@apache.org> on 2019/02/27 15:46:00 UTC
[jira] [Updated] (NETBEANS-1728) ClassCastException in switch
expression
[ https://issues.apache.org/jira/browse/NETBEANS-1728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Laszlo Kishalmi updated NETBEANS-1728:
--------------------------------------
Labels: 11.0-vc1 NB-JDK12 pull-request-available (was: NB-JDK12 pull-request-available)
> ClassCastException in switch expression
> ----------------------------------------
>
> Key: NETBEANS-1728
> URL: https://issues.apache.org/jira/browse/NETBEANS-1728
> Project: NetBeans
> Issue Type: Bug
> Reporter: vikas kumar prabhakar
> Assignee: Sarvesh Kesharwani
> Priority: Major
> Labels: 11.0-vc1, NB-JDK12, pull-request-available
> Fix For: 11.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Exception occur "java.lang.ClassCastException" with following code snippet:
> int i=10;
> final String val =
> switch (i)
> { case 1 : break "one"; case 2 -> "two"; }
> ;
>
> Exception logs:
> java.lang.ClassCastException: class com.sun.tools.javac.tree.JCTree$JCSwitchExpression cannot be cast to class com.sun.source.tree.StatementTree (com.sun.tools.javac.tree.JCTree$JCSwitchExpression and com.sun.source.tree.StatementTree are in module jdk.compiler of loader 'app')
> at org.netbeans.api.java.source.TreeUtilities.getBreakContinueTarget(TreeUtilities.java:1358)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.visitBreak(NPECheck.java:1252)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.visitBreak(NPECheck.java:545)
> at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCBreak.accept(JCTree.java:1575)
> at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:624)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:545)
> at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78)
> at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
> at jdk.compiler/com.sun.source.util.TreeScanner.visitCase(TreeScanner.java:372)
> at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCase.accept(JCTree.java:1293)
> at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:624)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:545)
> at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78)
> at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
> at jdk.compiler/com.sun.source.util.TreeScanner.visitSwitchExpression(TreeScanner.java:354)
> at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCSwitchExpression.accept(JCTree.java:1323)
> at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:624)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.visitVariable(NPECheck.java:704)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.visitVariable(NPECheck.java:545)
> at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:980)
> at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:624)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:545)
> at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
> at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78)
> at jdk.compiler/com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:249)
> at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1038)
> at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:624)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:545)
> at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
> at jdk.compiler/com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:207)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.visitMethod(NPECheck.java:1129)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.visitMethod(NPECheck.java:545)
> at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:904)
> at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:624)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:545)
> at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
> at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78)
> at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
> at jdk.compiler/com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
> at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:814)
> at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:624)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:545)
> at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78)
> at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
> at jdk.compiler/com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
> at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:597)
> at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
> at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69)
> at org.netbeans.modules.java.hints.bugs.NPECheck$VisitorImpl.scan(NPECheck.java:624)
> at org.netbeans.modules.java.hints.bugs.NPECheck.computeExpressionsState(NPECheck.java:502)
> at org.netbeans.modules.java.hints.bugs.NPECheck.assignment(NPECheck.java:91)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:566)
> [catch] at org.netbeans.modules.java.hints.providers.code.CodeHintProviderImpl$WorkerImpl.createErrors(CodeHintProviderImpl.java:317)
> at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.runHint(HintsInvoker.java:798)
> at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.doComputeHints(HintsInvoker.java:563)
> at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHintsImpl(HintsInvoker.java:283)
> at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:228)
> at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:193)
> at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:166)
> at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:128)
> at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:114)
> at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:65)
> at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:273)
> at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:561)
> at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:786)
> at org.openide.util.lookup.Lookups.executeWith(Lookups.java:279)
> at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:702)
> at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:663)
> at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
> at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
> at org.openide.util.lookup.Lookups.executeWith(Lookups.java:278)
> at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
>
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