java.lang.NullPointerException: Cannot invoke "com.sun.source.util.TreePath.getParentPath()" because "path" is null

[martinmeeser]

Apache NetBeans version

Apache NetBeans 13

What happened

This shows up as exception in the notifications panel.

"""
java.lang.NullPointerException: Cannot invoke "com.sun.source.util.TreePath.getParentPath()" because "path" is null
at org.netbeans.modules.java.hints.jdk.ConvertToARM.findEnclosingTryPath(ConvertToARM.java:793)
at org.netbeans.modules.java.hints.jdk.ConvertToARM.findEnclosingARMPath(ConvertToARM.java:786)
at org.netbeans.modules.java.hints.jdk.ConvertToARM.insideARM(ConvertToARM.java:816)
at org.netbeans.modules.java.hints.jdk.ConvertToARM.hint1Impl(ConvertToARM.java:224)
at org.netbeans.modules.java.hints.jdk.ConvertToARM.hint11(ConvertToARM.java:194)
at jdk.internal.reflect.GeneratedMethodAccessor190.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
[catch] at org.netbeans.modules.java.hints.providers.code.CodeHintProviderImpl$WorkerImpl.createErrors(CodeHintProviderImpl.java:315)
at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.runHint(HintsInvoker.java:794)
at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.doComputeHints(HintsInvoker.java:562)
at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHintsImpl(HintsInvoker.java:282)
at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:227)
at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:192)
at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:165)
at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:127)
at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:113)
at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:63)
at org.netbeans.modules.java.source.JavaSourceAccessor$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:539)
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)

"""

How to reproduce

not clear to me what exact step is causing it

Did this work correctly in an earlier version?

No

Operating System

Ubuntu Budgie 21.10

JDK

openjdk-17.0.1

Apache NetBeans packaging

Apache NetBeans Snap Package

Anything else

No response

Are you willing to submit a pull request?

No

Code of Conduct

Yes

[sdedic]

This seems to be triggered by a source file that uses Autocloseables and calls close() on them. It would be great to attach the source file that was visible at the moment the error popped out for better understanding of the mechanism.