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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