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In the NetBeans Platform I have defined an Ant-based Project Type. When I launch the app (from the IDE) after a Clean & Build, select a suitable project and try to run my build.xml script an NPE occurs (see below). Note the following: 1. The Ant script does still work - I see it's completion in the Output Window. 2. It only occurs the first time the Ant script is called after the NB platform app was Cleaned & Buil - subsequent calls give no error. 3. If I launch the app without doing Clean & Build before then no error occurs. 4. I can cancel the Exception dialog and continue with the app. The statements leading up to the exception are: switch (command) { case ActionProvider.COMMAND_BUILD: InputOutput io = IOProvider.getDefault().getIO("", false); io.select(); io.closeInputOutput(); FileObject buildImpl = helper.getProjectDirectory().getFileObject("build.xml"); try { ActionUtils.runTarget(buildImpl, new String[]{"build"}, null); } catch (IOException ex) { //Exceptions.printStackTrace(ex); } break; The exception log given in the app is: java.lang.NullPointerException at org.netbeans.modules.javascript2.editor.jsdoc.JsDocParser.parse(JsDocParser.java:77) at org.netbeans.modules.javascript2.editor.jsdoc.JsDocDocumentationHolder.getCommentBlocks(JsDocDocumentationHolder.java:64) at org.netbeans.modules.javascript2.editor.doc.spi.JsDocumentationHolder.getDocumentation(JsDocumentationHolder.java:155) at org.netbeans.modules.javascript2.editor.model.impl.ModelVisitor.enter(ModelVisitor.java:729) at jdk.nashorn.internal.ir.FunctionNode.accept(FunctionNode.java:291) at org.netbeans.modules.javascript2.editor.model.Model.getModelVisitor(Model.java:156) at org.netbeans.modules.javascript2.editor.model.Model.getGlobalObject(Model.java:458) at org.netbeans.modules.javascript2.editor.index.JsIndexer.index(JsIndexer.java:105) at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor$3.run(Indexable.java:248) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runIndexer(RepositoryUpdater.java:283) at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor.index(Indexable.java:246) [catch] at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$2.run(RepositoryUpdater.java:3076) at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:598) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:155) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:139) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:206) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:203) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:203) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.indexEmbedding(RepositoryUpdater.java:3017) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doIndex(RepositoryUpdater.java:2756) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.access$1600(RepositoryUpdater.java:2091) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2539) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2537) at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.refreshTransaction(TaskCache.java:544) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:2537) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSource(RepositoryUpdater.java:5353) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSources(RepositoryUpdater.java:5062) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:4717) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3267) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:5796) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$5300(RepositoryUpdater.java:5462) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3$1.run(RepositoryUpdater.java:5721) at org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:96) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3.call(RepositoryUpdater.java:5717) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3.call(RepositoryUpdater.java:5713) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:5713) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
please evaluate
Fixed in web-main. But I can not understand, why is called the JsDocParser over java source file. In this case the TokenHierarchy will be null. Added check for TokenHierarchy. So the NPE should not happen, but in the same case I expect another exception from next feature. But I don't have a doubt, how to reproduce this.
Integrated into 'main-silver', will be available in build *201506190001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-silver/rev/b3eba73f7e10 User: Petr Pisl <ppisl@netbeans.org> Log: #247871 - NullPointerException when executing Ant script