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Created attachment 146389 [details] test project Open the attached project. Note that there are following lines in project.properties file: cache.location.1=nbproject/private/cache.1 cache.location.2=nbproject/private/cache.2 Wait until the project is parsed, close IDE. Relaunch IDE. Exception occurs, the project is parsed once more. The stack is java.lang.InternalError at org.netbeans.modules.cnd.repository.storage.Storage.findMatchedUnitIDInLayer(Storage.java:614) at org.netbeans.modules.cnd.repository.storage.Storage.updateUnitsTranslationMap(Storage.java:199) at org.netbeans.modules.cnd.repository.storage.Storage.access$1100(Storage.java:89) at org.netbeans.modules.cnd.repository.storage.Storage$UnitIDReadConverterImpl.layerToClient(Storage.java:866) at org.netbeans.modules.cnd.repository.storage.data.RepositoryDataInputStream.readUnitId(RepositoryDataInputStream.java:104) at org.netbeans.modules.cnd.modelimpl.repository.ProjectKey.<init>(ProjectKey.java:64) at org.netbeans.modules.cnd.modelimpl.repository.KeyObjectFactory.createObject(KeyObjectFactory.java:140) at org.netbeans.modules.cnd.repository.support.AbstractObjectFactory.readSelfPersistent(AbstractObjectFactory.java:78) at org.netbeans.modules.cnd.modelimpl.repository.KeyObjectFactory.readKey(KeyObjectFactory.java:79) at org.netbeans.modules.cnd.modelimpl.uid.KeyBasedUID.<init>(KeyBasedUID.java:115) at org.netbeans.modules.cnd.modelimpl.uid.UIDUtilities$CachedUID.<init>(UIDUtilities.java:479) at org.netbeans.modules.cnd.modelimpl.uid.UIDUtilities$ProjectUID.<init>(UIDUtilities.java:533) at org.netbeans.modules.cnd.modelimpl.uid.UIDObjectFactory.createObject(UIDObjectFactory.java:419) at org.netbeans.modules.cnd.repository.support.AbstractObjectFactory.readSelfPersistent(AbstractObjectFactory.java:78) at org.netbeans.modules.cnd.modelimpl.uid.UIDObjectFactory.readUID(UIDObjectFactory.java:137) at org.netbeans.modules.cnd.modelimpl.content.project.IncludedFileContainer.<init>(IncludedFileContainer.java:93) at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.<init>(ProjectBase.java:3671) at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectImpl.<init>(ProjectImpl.java:372) at org.netbeans.modules.cnd.modelimpl.csm.core.CsmObjectFactory.createObject(CsmObjectFactory.java:329) at org.netbeans.modules.cnd.repository.support.AbstractObjectFactory.readSelfPersistent(AbstractObjectFactory.java:78) at org.netbeans.modules.cnd.modelimpl.csm.core.CsmObjectFactory.read(CsmObjectFactory.java:613) [catch] at org.netbeans.modules.cnd.repository.RepositoryImpl.get(RepositoryImpl.java:119) at org.netbeans.modules.cnd.repository.api.Repository.get(Repository.java:27) at org.netbeans.modules.cnd.modelimpl.repository.RepositoryUtils.get(RepositoryUtils.java:118) at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.readInstance(ProjectBase.java:399) at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.readInstance(ProjectBase.java:381) at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectImpl.createInstance(ProjectImpl.java:89) at org.netbeans.modules.cnd.modelimpl.csm.core.ModelImpl.addProject(ModelImpl.java:227) at org.netbeans.modules.cnd.modelimpl.platform.ModelSupport$3.runImpl(ModelSupport.java:424) at org.netbeans.modules.cnd.utils.NamedRunnable.run(NamedRunnable.java:62) at org.netbeans.modules.cnd.spi.toolchain.CompilerSetManagerEvents.runProjectReadiness(CompilerSetManagerEvents.java:91) at org.netbeans.modules.cnd.makeproject.api.configurations.Configurations.runOnProjectReadiness(Configurations.java:139) at org.netbeans.modules.cnd.makeproject.api.configurations.Configurations.runOnProjectReadiness(Configurations.java:121) at org.netbeans.modules.cnd.makeproject.NativeProjectProvider.runOnProjectReadiness(NativeProjectProvider.java:131) at org.netbeans.modules.cnd.modelimpl.platform.ModelSupport.addProject(ModelSupport.java:430) at org.netbeans.modules.cnd.modelimpl.platform.ModelSupport.openProjectsIfNeeded(ModelSupport.java:271) at org.netbeans.modules.cnd.modelimpl.platform.ModelSupport.access$100(ModelSupport.java:101) at org.netbeans.modules.cnd.modelimpl.platform.ModelSupport$1.run(ModelSupport.java:116) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
When user closes IDE after that, the following NPE occurs java.lang.NullPointerException at org.netbeans.modules.cnd.repository.storage.Storage.closeUnit(Storage.java:540) at org.netbeans.modules.cnd.repository.storage.Storage.closeUnit(Storage.java:515) at org.netbeans.modules.cnd.repository.storage.Storage.shutdown(Storage.java:352) at org.netbeans.modules.cnd.repository.storage.StorageManager.shutdown(StorageManager.java:154) Caused: org.netbeans.modules.cnd.repository.api.RepositoryException at org.netbeans.modules.cnd.repository.api.RepositoryExceptions.throwException(RepositoryExceptions.java:81) at org.netbeans.modules.cnd.repository.storage.StorageManager.shutdown(StorageManager.java:156) at org.netbeans.modules.cnd.repository.RepositoryImpl.shutdown(RepositoryImpl.java:209) at org.netbeans.modules.cnd.repository.api.Repository.shutdown(Repository.java:92) at org.netbeans.modules.cnd.modelimpl.repository.RepositoryUtils.shutdown(RepositoryUtils.java:285) at org.netbeans.modules.cnd.modelimpl.csm.core.ModelImpl.shutdown(ModelImpl.java:579) at org.netbeans.modules.cnd.modelimpl.platform.ModelSupport.shutdown(ModelSupport.java:235) at org.netbeans.modules.cnd.modelimpl.Installer$Stop$RunnableImpl.run(Installer.java:105) at org.netbeans.api.progress.ProgressUtils$RunnableWrapper.run(ProgressUtils.java:337) at org.netbeans.api.progress.ProgressUtils$RunnableWrapper.run(ProgressUtils.java:329) at org.netbeans.modules.progress.ui.RunOffEDTImpl$ProgressBackgroundRunner.runBackground(RunOffEDTImpl.java:458) at org.netbeans.modules.progress.ui.AbstractWindowRunner.call(AbstractWindowRunner.java:108) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
The attached project has remote build host. As soon as I changed host to local one, problem disappeared.
Although it's me who has filed this bug, it still looks questionable whether we should spend time on fixing it. The reason is: we did nothing to inform user about this layering. So nobody ever used it; and nobody will use it, unless we fix this "information" issue first. But I'm not aware of such plans..