mbien commented on issue #3667:
URL: https://github.com/apache/netbeans/issues/3667#issuecomment-2130997738
i can still reproduce the NPE in NB 22, however the freeze should not happen
anymore. You had likely at work a "on save" action enabled, like formatting or
import fixing, in past this could cause issues if javac failed during that
action.
updated stacktrace:
<details>
```
Caused: java.lang.NullPointerException: Cannot invoke
"com.sun.tools.javac.code.Type.hasTag(com.sun.tools.javac.code.TypeTag)"
because the return value of "com.sun.tools.javac.code.Type.getEnclosingType()"
is null
at com.sun.tools.javac.code.Symbol.hasOuterInstance(Symbol.java:508)
at
org.netbeans.modules.java.source.PostFlowAnalysis.visitClassDef(PostFlowAnalysis.java:114)
at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:814)
at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:50)
at
org.netbeans.modules.java.source.PostFlowAnalysis.scan(PostFlowAnalysis.java:104)
at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:58)
at
com.sun.tools.javac.tree.TreeScanner.visitClassDef(TreeScanner.java:120)
at
org.netbeans.modules.java.source.PostFlowAnalysis.visitClassDef(PostFlowAnalysis.java:116)
at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:814)
at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:50)
at
org.netbeans.modules.java.source.PostFlowAnalysis.scan(PostFlowAnalysis.java:104)
at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:58)
at
com.sun.tools.javac.tree.TreeScanner.visitTopLevel(TreeScanner.java:67)
at
com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:553)
at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:50)
at
org.netbeans.modules.java.source.PostFlowAnalysis.scan(PostFlowAnalysis.java:104)
at
org.netbeans.modules.java.source.PostFlowAnalysis.analyze(PostFlowAnalysis.java:90)
at
org.netbeans.modules.java.source.parsing.JavacParser.moveToPhase(JavacParser.java:765)
at
org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:536)
at
org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:140)
at
org.netbeans.modules.parsing.impl.TaskProcessor.callGetResult(TaskProcessor.java:608)
at
org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:241)
at
org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:775)
at org.openide.util.lookup.Lookups.executeWith(Lookups.java:288)
at
org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:702)
[catch] at
org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:663)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1420)
at
org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
at org.openide.util.lookup.Lookups.executeWith(Lookups.java:287)
at
org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2035)
```
</details>
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