| [ptp-dev] Null Pointer Exception using refactoring operations in Photran |
We are encounter the following errors after a few Extract Procedure refactoring operations performed. First, we see the following exception.. Description: org.eclipse.core.runtime.CoreException: Already Freed org.eclipse.core.runtime.CoreException: Already Freed at org.eclipse.rephraserengine.internal.db.org.eclipse.cdt.internal.core.pdom.db.Database.free(Database.java:366) at org.eclipse.rephraserengine.internal.core.vpg.db.cdt.InternalCDTDB $Annotations.delete(InternalCDTDB.java:1219) at org.eclipse.rephraserengine.internal.core.vpg.db.cdt.InternalCDTDB $Annotations.set(InternalCDTDB.java:1210) at org.eclipse.rephraserengine.core.vpg.db.cdt.CDTDB.setAnnotation(CDTDB.java:694) at org.eclipse.rephraserengine.core.vpg.db.caching.CachingDB.setAnnotation(CachingDB.java:344) at org.eclipse.rephraserengine.core.vpg.db.profiling.ProfilingDB.setAnnotation(ProfilingDB.java:383) at org.eclipse.rephraserengine.core.vpg.DemandDB.setAnnotation(DemandDB.java:309) at org.eclipse.rephraserengine.core.vpg.VPGDB.setAnnotation(VPGDB.java:305) at org.eclipse.photran.internal.core.vpg.PhotranVPGWriter.setDefinitionFor(PhotranVPGWriter.java:109) at org.eclipse.photran.internal.core.analysis.binding.BindingCollector.setDefinition(BindingCollector.java:58) at org.eclipse.photran.internal.core.analysis.binding.DefinitionCollector.visitASTTypeDeclarationStmtNode(DefinitionCollector.java:171) at org.eclipse.photran.internal.core.parser.ASTTypeDeclarationStmtNode.accept(ASTTypeDeclarationStmtNode.java:91) at org.eclipse.photran.internal.core.parser.ASTVisitor.traverseChildren(ASTVisitor.java:21) at org.eclipse.photran.internal.core.parser.ASTVisitor.visitASTListNode(ASTVisitor.java:26) at org.eclipse.photran.internal.core.parser.ASTListNode.accept(ASTListNode.java:131) at org.eclipse.photran.internal.core.parser.ASTVisitor.traverseChildren(ASTVisitor.java:21) at org.eclipse.photran.internal.core.parser.ASTVisitor.visitASTFunctionSubprogramNode(ASTVisitor.java:203) at org.eclipse.photran.internal.core.parser.ASTFunctionSubprogramNode.accept(ASTFunctionSubprogramNode.java:100) at org.eclipse.photran.internal.core.parser.ASTVisitor.traverseChildren(ASTVisitor.java:21) at org.eclipse.photran.internal.core.parser.ASTVisitor.visitASTListNode(ASTVisitor.java:26) at org.eclipse.photran.internal.core.parser.ASTListNode.accept(ASTListNode.java:131) at org.eclipse.photran.internal.core.parser.ASTVisitor.traverseChildren(ASTVisitor.java:21) at org.eclipse.photran.internal.core.parser.ASTVisitor.visitASTModuleNode(ASTVisitor.java:259) at org.eclipse.photran.internal.core.parser.ASTModuleNode.accept(ASTModuleNode.java:74) at org.eclipse.photran.internal.core.parser.ASTVisitor.traverseChildren(ASTVisitor.java:21) at org.eclipse.photran.internal.core.parser.ASTVisitor.visitASTListNode(ASTVisitor.java:26) at org.eclipse.photran.internal.core.parser.ASTListNode.accept(ASTListNode.java:131) at org.eclipse.photran.internal.core.parser.ASTVisitor.traverseChildren(ASTVisitor.java:21) at org.eclipse.photran.internal.core.parser.ASTVisitor.visitASTExecutableProgramNode(ASTVisitor.java:175) at org.eclipse.photran.internal.core.analysis.binding.DefinitionCollector.visitASTExecutableProgramNode(DefinitionCollector.java:537) at org.eclipse.photran.internal.core.parser.ASTExecutableProgramNode.accept(ASTExecutableProgramNode.java:61) at org.eclipse.photran.internal.core.FortranAST.accept(FortranAST.java:53) at org.eclipse.photran.internal.core.analysis.binding.Binder.bind(Binder.java:45) at org.eclipse.photran.internal.core.vpg.PhotranVPGWriter.populateVPG(PhotranVPGWriter.java:588) at org.eclipse.photran.internal.core.vpg.PhotranVPGWriter.populateVPG(PhotranVPGWriter.java:1) at org.eclipse.rephraserengine.core.vpg.VPGWriter.computeEdgesAndAnnotations(VPGWriter.java:65) at org.eclipse.rephraserengine.core.vpg.ASTRepository.acquireTransientAST(ASTRepository.java:87) at org.eclipse.rephraserengine.core.vpg.VPG.forceRecomputationOfEdgesAndAnnotations(VPG.java:432) at org.eclipse.rephraserengine.core.vpg.eclipse.EclipseVPG $VPGResourceDeltaVisitor.index(EclipseVPG.java:447) at org.eclipse.rephraserengine.core.vpg.eclipse.EclipseVPG $VPGResourceDeltaJob.runInWorkspace(EclipseVPG.java:336) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) Caused by: java.lang.Exception ... 42 more Resource: Path: Location: line -1 Without performing any further operations, after say 2-3 mins or so, a null pointer exception pops up in a separate window (see attachment) automatically. When the null pointer exception occurs, we see the following BTree integrity error in the 'Fortran Analysis/Refactoring Problems' view: Description: org.eclipse.core.runtime.CoreException: BTree integrity error org.eclipse.core.runtime.CoreException: BTree integrity error at org.eclipse.rephraserengine.internal.db.org.eclipse.cdt.internal.core.pdom.db.BTree.deleteImp(BTree.java:372) at org.eclipse.rephraserengine.internal.db.org.eclipse.cdt.internal.core.pdom.db.BTree.deleteImp(BTree.java:376) at org.clipse.rephraserengine.internal.db.org.eclipse.cdt.internal.core.pdom.db.BTree.deleteImp(BTree.java:376) at org.eclipse.rephraserengine.internal.db.org.eclipse.cdt.internal.core.pdom.db.BTree.deleteImp(BTree.java:376) at org.eclipse.rephraserengine.internal.db.org.eclipse.cdt.internal.core.pdom.db.BTree.delete(BTree.java:238) at rg.eclipse.rephraserengine.internal.core.vpg.db.cdt.InternalCDTDB $Edges deleteAllOutgoingEdgesFrom(InternalCDTDB.java:867) at org.eclipse.rephraserengine.core.vpg.db.cdt.CDTDB.deleteAllEdgesAndAnnotationsFor(CDTDB.java:275) at org.eclipse.rephraserengine.core.vpg.db.caching.CachingDB.deleteAllEdgesAndAnnotationsFor(CachingDB.java:178) at org.eclipse.photran.internal.core.vpg.PhotranVPGDB1.deleteAllEdgesAndAnnotationsFor(PhotranVPGDB1.java:96) at org.eclipse.rephraserengine.core.vpg.db.profiling.ProfilingDB.deleteAllEdgesAndAnnotationsFor(ProfilingDB.java:216) at org.eclipse.rephraserengine.core.vpg.DemandDB.deleteAllEdgesAndAnnotationsFor(DemandDB.java:225) at org.eclipse.rephraserengine.core.vpg.VPGWriter.computeEdgesAndAnnotations(VPGWriter.java:64) at org.eclipse.rephraserengine.core.vpg.ASTRepository.acquireTransientAST(ASTRepository.java:87) at org.eclipse.rephraserengine.core.vpg.VPG.forceRecomputationOfEdgesAndAnnotations(VPG.java:432) at org.eclipse.rephraserengine.core.vpg.eclipse.EclipseVPG $VPGResourceDeltaVisitor.index(EclipseVPG.java:447) at org.eclipse.rephraserengine.core.vpg.eclipse.EclipseVPG $VPGResourceDeltaJob.runInWorkspace(EclipseVPG.java:336) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) Resource: Path: Location: line -1  Thanks in advance for you help. David A. Alexander Tech-X Corporation |