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Posted to notifications@netbeans.apache.org by GitBox <gi...@apache.org> on 2023/01/02 10:15:12 UTC
[GitHub] [netbeans] jjazzboss opened a new issue, #5177: NPE in Java hints RemoveUnnecessary.java line 151
jjazzboss opened a new issue, #5177:
URL: https://github.com/apache/netbeans/issues/5177
### Apache NetBeans version
Apache NetBeans 16
### What happened
Just started Netbeans 16 with my project, like everyday, I did not do anything. I saw the exception popup. Below is the stack trace.
```
java.lang.NullPointerException: Cannot invoke "java.util.Collection.toArray()" because "c" is null
at java.base/java.util.ArrayList.addAll(ArrayList.java:670)
at org.netbeans.modules.java.hints.control.RemoveUnnecessary.unnecessaryReturnContinue(RemoveUnnecessary.java:151)
at org.netbeans.modules.java.hints.control.RemoveUnnecessary.unnecessaryReturn(RemoveUnnecessary.java:99)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
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
I tried to close and reopen Netbeans to reproduce, but error was gone.
### Did this work correctly in an earlier version?
No / Don't know
### Operating System
WIN10
### JDK
JDK 17 x64 Adoptium
### Apache NetBeans packaging
Apache NetBeans binary zip
### Anything else
_No response_
### Are you willing to submit a pull request?
No
### Code of Conduct
Yes
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[GitHub] [netbeans] mbien commented on issue #5177: NPE in Java hints RemoveUnnecessary.java line 151
Posted by GitBox <gi...@apache.org>.
mbien commented on issue #5177:
URL: https://github.com/apache/netbeans/issues/5177#issuecomment-1369184292
you think you could provide a minimal reproducer? This is about a switch-case snipped, maybe you can find it in your code.
Fix is pending in the linked PR. The workflow will produce a dev build if you want to test it.
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[GitHub] [netbeans] mbien closed issue #5177: NPE in Java hints RemoveUnnecessary.java line 151
Posted by GitBox <gi...@apache.org>.
mbien closed issue #5177: NPE in Java hints RemoveUnnecessary.java line 151
URL: https://github.com/apache/netbeans/issues/5177
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[GitHub] [netbeans] jjazzboss commented on issue #5177: NPE in Java hints RemoveUnnecessary.java line 151
Posted by GitBox <gi...@apache.org>.
jjazzboss commented on issue #5177:
URL: https://github.com/apache/netbeans/issues/5177#issuecomment-1369695084
Sorry I tried to reproduce but was not able too. I had a dozen of java files opened when it happened, with many switch-case, no idea which one caused the problem.
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