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CodeMining may cause NPE #173

Closed mickaelistria closed 1 year ago

mickaelistria commented 1 year ago

Got this stack when playing with eclipseide-jdtls:

java.util.concurrent.CompletionException: java.lang.NullPointerException: Cannot invoke "String.compareTo(String)" because the return value of "org.eclipse.jface.text.source.Annotation.getText()" is null
    at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315)
    at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320)
    at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1770)
    at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1760)
    at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)
    at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1311)
    at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1841)
    at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1806)
    at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
Caused by: java.lang.NullPointerException: Cannot invoke "String.compareTo(String)" because the return value of "org.eclipse.jface.text.source.Annotation.getText()" is null
    at org.eclipse.ui.internal.editors.text.codemining.annotation.AnnotationCodeMiningFilter.lambda$6(AnnotationCodeMiningFilter.java:152)
    at java.base/java.util.TimSort.binarySort(TimSort.java:296)
    at java.base/java.util.TimSort.sort(TimSort.java:221)
    at java.base/java.util.Arrays.sort(Arrays.java:1307)
    at java.base/java.util.ArrayList.sort(ArrayList.java:1721)
    at java.base/java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:392)
    at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258)
    at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258)
    at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258)
    at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258)
    at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258)
    at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:528)
    at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:513)
    at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
    at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:575)
    at java.base/java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260)
    at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:616)
    at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:622)
    at java.base/java.util.stream.ReferencePipeline.toList(ReferencePipeline.java:627)
    at org.eclipse.ui.internal.editors.text.codemining.annotation.AnnotationCodeMiningProvider.createCodeMinings(AnnotationCodeMiningProvider.java:270)
    at org.eclipse.ui.internal.editors.text.codemining.annotation.AnnotationCodeMiningProvider.lambda$0(AnnotationCodeMiningProvider.java:219)
    at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768)
    ... 6 more