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  1. NetBeans
  2. NETBEANS-955

NPE during background scan or while editing files

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 9.0
    • Fix Version/s: None
    • Component/s: java - Compiler
    • Labels:
    • Environment:

      Description

      When Netbeans is scanning the sources of my project in background or when I save files in the editor, the following exception happens regurarly. Somtimes it happens so many times, that it is virtually impossible to work with the IDE:

      java.lang.NullPointerException
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.error2Object(VanillaCompileWorker.java:575)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.error2Object(VanillaCompileWorker.java:590)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.resolveErrors(VanillaCompileWorker.java:602)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.error2Object(VanillaCompileWorker.java:568)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.error2Object(VanillaCompileWorker.java:590)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.resolveErrors(VanillaCompileWorker.java:600)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.error2Object(VanillaCompileWorker.java:568)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.error2Object(VanillaCompileWorker.java:590)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.resolveErrors(VanillaCompileWorker.java:601)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.error2Object(VanillaCompileWorker.java:568)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.error2Object(VanillaCompileWorker.java:590)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.resolveErrors(VanillaCompileWorker.java:601)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.error2Object(VanillaCompileWorker.java:568)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.visitVariable(VanillaCompileWorker.java:465)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.visitVariable(VanillaCompileWorker.java:458)
          at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:974)
          at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
          at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:90)
          at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
          at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:113)
          at jdk.compiler/com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:187)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.visitClass(VanillaCompileWorker.java:519)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker$3.visitClass(VanillaCompileWorker.java:458)
          at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:808)
          at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
          at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
          at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:113)
          at jdk.compiler/com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:144)
          at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:591)
          at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
          at org.netbeans.modules.java.source.indexing.VanillaCompileWorker.dropMethodsAndErrors(VanillaCompileWorker.java:605)
      [catch] at org.netbeans.modules.java.source.indexing.VanillaCompileWorker.compile(VanillaCompileWorker.java:290)
          at org.netbeans.modules.java.source.indexing.JavaCustomIndexer.index(JavaCustomIndexer.java:275)
          at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor$2.run(Indexable.java:138)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runIndexer(RepositoryUpdater.java:275)
          at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor.index(Indexable.java:136)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doIndex(RepositoryUpdater.java:2750)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.access$800(RepositoryUpdater.java:2154)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2636)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2634)
          at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.refreshTransaction(TaskCache.java:540)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:2634)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork$4.call(RepositoryUpdater.java:5714)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork$4.call(RepositoryUpdater.java:5622)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$4.run(RepositoryUpdater.java:2127)
          at org.openide.util.lookup.Lookups.executeWith(Lookups.java:279)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2123)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2104)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.access$1500(RepositoryUpdater.java:136)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSource(RepositoryUpdater.java:5749)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSources(RepositoryUpdater.java:5419)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:5038)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3420)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:6183)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$4300(RepositoryUpdater.java:5834)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2$1.run(RepositoryUpdater.java:6099)
          at org.openide.util.lookup.Lookups.executeWith(Lookups.java:279)
          at org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:83)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6095)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6091)
          at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)
          at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)
          at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)
          at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)
          at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:6091)
          at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
          at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
          at org.openide.util.RequestProcessor$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)

       

       

       

       
       

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            • Assignee:
              Unassigned
              Reporter:
              michaeldoswald Michael Doswald
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              Dates

              • Created:
                Updated: