bilu created NETBEANS-3932:
------------------------------
Summary: java.lang.NullPointerExceptionjava
GsfHintsProvider.computeErrors
Key: NETBEANS-3932
URL: https://issues.apache.org/jira/browse/NETBEANS-3932
Project: NetBeans
Issue Type: Bug
Components: editor - Hints & Annotations, editor - Parsing &
Indexing
Affects Versions: 11.1
Environment: Product Version: Apache NetBeans IDE 11.1
Updates: NetBeans IDE is updated to version NetBeans 8.2 Patch 2
Java: 1.8.0_181; Java HotSpot(TM) 64-Bit Server VM 25.181-b13
Runtime: Java(TM) SE Runtime Environment 1.8.0_181-b13
System: Windows 10 version 10.0 running on amd64; Cp1252; en_US (nb)
User directory: C:\Users\xxxx\AppData\Roaming\NetBeans\11.1
Cache directory: C:\Users\xxxx\AppData\Local\NetBeans\Cache\11.1
Reporter: bilu
Step to reproduce the problem:
1-Follow the tutorial:
[https://platform.netbeans.org/tutorials/nbm-javacc-parser.html]
or get complete code source here:
[https://github.com/vparfonov/api-samples/tree/master/nb-api-samples~api-samples/versions/7.2/tutorials/SimpleJava2]
* At this step run the project and you will get:
java.lang.ClassCastException: org.simplejava.parser.SJParser$SJParserResult
cannot be cast to org.netbeans.modules.csl.spi.ParserResult
2-Update SJParserResult class to extend o.n.m.csl.spi.ParserResult instead of
o.n.m.parsing.spi.Parser.Result like suggest here
https://bz.apache.org/netbeans/show_bug.cgi?id=167064
to fix precedent issue
3-Run the Project, you will get now :
java.lang.NullPointerExceptionjava.lang.NullPointerException at
org.netbeans.modules.csl.hints.GsfHintsProvider.computeErrors(GsfHintsProvider.java:114)
at
org.netbeans.modules.csl.hints.GsfHintsProvider.processErrors(GsfHintsProvider.java:388)
at
org.netbeans.modules.csl.hints.GsfHintsProvider.processErrorsRecursive(GsfHintsProvider.java:359)
at
org.netbeans.modules.csl.hints.GsfHintsProvider.refreshErrors(GsfHintsProvider.java:327)
at
org.netbeans.modules.csl.hints.GsfHintsProvider.access$200(GsfHintsProvider.java:79)
at
org.netbeans.modules.csl.hints.GsfHintsProvider$2.run(GsfHintsProvider.java:407)
at
org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)
at
org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)
at
org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)
at
org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)
at
org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)
at
org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)
at
org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)
at
org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)
at
org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67) at
org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)Caused:
org.netbeans.modules.parsing.spi.ParseException at
org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:186)
at
org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)[catch]
at
org.netbeans.modules.csl.hints.GsfHintsProvider.run(GsfHintsProvider.java:405)
at
org.netbeans.modules.csl.hints.GsfHintsProvider.run(GsfHintsProvider.java:79)
at
org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:561)
at
org.netbeans.modules.parsing.impl.TaskProcessor$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.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at
java.util.concurrent.FutureTask.run(FutureTask.java:266) at
org.openide.util.RequestProcessor$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)
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