vikas kumar prabhakar created NETBEANS-1728:
-----------------------------------------------
Summary: Find "java.lang.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: vikas kumar prabhakar
Find "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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