Naoki Kishida created NETBEANS-896:
--------------------------------------
Summary: Defining generic method throws Exception on without
nbjavac
Key: NETBEANS-896
URL: https://issues.apache.org/jira/browse/NETBEANS-896
Project: NetBeans
Issue Type: Bug
Components: java - Editor
Affects Versions: 9.0
Environment: release-302-on-20180517 without nbjavac
Reporter: Naoki Kishida
Defining a generic method throws NPE.
After inputing `<T>`, NPE is thrown.
{code}
class Foo {
<T>
}{code}
{code}
java.lang.NullPointerException
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.visitErroneous(SourceAnalyzerFactory.java:752)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.visitErroneous(SourceAnalyzerFactory.java:274)
at
jdk.compiler/com.sun.tools.javac.tree.JCTree$JCErroneous.accept(JCTree.java:2927)
at
jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.scan(SourceAnalyzerFactory.java:385)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.scan(SourceAnalyzerFactory.java:274)
at
jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:90)
at
jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.visitClass(SourceAnalyzerFactory.java:716)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.visitClass(SourceAnalyzerFactory.java:274)
at
jdk.compiler/com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:808)
at
jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.scan(SourceAnalyzerFactory.java:385)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.scan(SourceAnalyzerFactory.java:274)
at
jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.visitCompilationUnit(SourceAnalyzerFactory.java:402)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.visitCompilationUnit(SourceAnalyzerFactory.java:274)
at
jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:591)
at
jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$UsagesVisitor.scan(SourceAnalyzerFactory.java:385)
at
org.netbeans.modules.java.source.usages.SourceAnalyzerFactory$SimpleAnalyzer.analyseUnit(SourceAnalyzerFactory.java:242)
at
org.netbeans.modules.java.source.usages.PersistentClassIndex$IndexPatch.lambda$updateDirty$0(PersistentClassIndex.java:575)
at
org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:501)
at
org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)
at
org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)
at
org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)
at
org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)
at
org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)
at
org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)
at
org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)
at
org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)
at
org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)
at
org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)
at
org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)
at
org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:451)
at
org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:422)
at
org.netbeans.modules.java.source.usages.PersistentClassIndex$IndexPatch.updateDirty(PersistentClassIndex.java:568)
at
org.netbeans.modules.java.source.usages.PersistentClassIndex$IndexPatch.getPatch(PersistentClassIndex.java:530)
at
org.netbeans.modules.java.source.usages.PersistentClassIndex.search(PersistentClassIndex.java:220)
at
org.netbeans.api.java.source.ClassIndex.searchImpl(ClassIndex.java:499)
at
org.netbeans.api.java.source.ClassIndex.getElements(ClassIndex.java:342)
at
org.netbeans.modules.java.editor.overridden.ComputeOverriders.computeUsers(ComputeOverriders.java:284)
at
org.netbeans.modules.java.editor.overridden.ComputeOverriders.computeUsers(ComputeOverriders.java:265)
at
org.netbeans.modules.java.editor.overridden.ComputeOverriders.computeUsers(ComputeOverriders.java:427)
at
org.netbeans.modules.java.editor.overridden.ComputeOverriders.processImpl(ComputeOverriders.java:203)
at
org.netbeans.modules.java.editor.overridden.ComputeOverriders.process(ComputeOverriders.java:154)
at
org.netbeans.modules.java.editor.overridden.ComputeAnnotations.computeAnnotations(ComputeAnnotations.java:104)
at
org.netbeans.modules.java.editor.overridden.ComputeAnnotations.run(ComputeAnnotations.java:85)
at
org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:561)
[catch] at
org.netbeans.modules.parsing.impl.TaskProcessor$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)
{code}
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