java.lang.AssertionError
   at org.tmatesoft.sqljet.core.internal.pager.SqlJetPager.sharedLock(SqlJetPager.java:1385)
   at org.tmatesoft.sqljet.core.internal.pager.SqlJetPager.acquirePage(SqlJetPager.java:1020)
   at org.tmatesoft.sqljet.core.internal.btree.SqlJetBtree.getMeta(SqlJetBtree.java:2196)
   at org.tmatesoft.sqljet.core.internal.table.SqlJetOptions.readSchemaCookie(SqlJetOptions.java:213)
   at org.tmatesoft.sqljet.core.internal.table.SqlJetOptions.readMeta(SqlJetOptions.java:148)
   at org.tmatesoft.sqljet.core.internal.table.SqlJetOptions.<init>(SqlJetOptions.java:104)
   at org.tmatesoft.sqljet.core.table.engine.SqlJetEngine$2.runSynchronized(SqlJetEngine.java:281)
   at org.tmatesoft.sqljet.core.table.engine.SqlJetEngine.runSynchronized(SqlJetEngine.java:217)
   at org.tmatesoft.sqljet.core.table.engine.SqlJetEngine.readSchema(SqlJetEngine.java:276)
   at org.tmatesoft.sqljet.core.table.engine.SqlJetEngine.getOptions(SqlJetEngine.java:299)
   at org.tmatesoft.svn.core.internal.wc17.db.SVNWCDbRoot.<init>(SVNWCDbRoot.java:74)
   at org.tmatesoft.svn.core.internal.wc17.db.SVNWCDb.parseDir(SVNWCDb.java:1991)
   at org.tmatesoft.svn.core.wc2.SvnOperationFactory.detectWcGeneration(SvnOperationFactory.java:1672)
   at org.tmatesoft.svn.core.wc2.SvnOperationFactory.getImplementation(SvnOperationFactory.java:1318)
   at org.tmatesoft.svn.core.wc2.SvnOperationFactory.run(SvnOperationFactory.java:1224)
   at org.tmatesoft.svn.core.wc2.SvnOperation.run(SvnOperation.java:294)
   at org.tmatesoft.svn.core.javahl17.SVNClientImpl.status(SVNClientImpl.java:209)
   at org.tigris.subversion.svnclientadapter.javahl.AbstractJhlClientAdapter.getStatus(AbstractJhlClientAdapter.java:584)
   at org.tigris.subversion.svnclientadapter.javahl.AbstractJhlClientAdapter.getStatus(AbstractJhlClientAdapter.java:564)
   at org.tigris.subversion.svnclientadapter.javahl.AbstractJhlClientAdapter.getStatus(AbstractJhlClientAdapter.java:557)
   at org.tigris.subversion.svnclientadapter.svnkit.SvnKitClientAdapter.getStatus(SvnKitClientAdapter.java:107)
   at org.tigris.subversion.svnclientadapter.javahl.AbstractJhlClientAdapter.getStatus(AbstractJhlClientAdapter.java:550)
   at org.tigris.subversion.svnclientadapter.javahl.AbstractJhlClientAdapter.getStatus(AbstractJhlClientAdapter.java:543)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:497)
   at org.netbeans.modules.subversion.client.SvnClientInvocationHandler.handle(SvnClientInvocationHandler.java:461)
   at org.netbeans.modules.subversion.client.SvnClientInvocationHandler.invokeMethod(SvnClientInvocationHandler.java:406)
   at org.netbeans.modules.subversion.client.SvnClientInvocationHandler$2.run(SvnClientInvocationHandler.java:219)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation.readAccess(DefaultMutexImplementation.java:252)
   at org.openide.util.Mutex.readAccess(Mutex.java:250)
   at org.netbeans.modules.subversion.client.SvnClientInvocationHandler.invoke(SvnClientInvocationHandler.java:224)
   at com.sun.proxy.$Proxy54.getStatus(.java:0)
   at org.netbeans.modules.subversion.FileStatusCache.scanFolder(FileStatusCache.java:886)
   at org.netbeans.modules.subversion.FileStatusCache.getScannedFiles(FileStatusCache.java:854)
   at org.netbeans.modules.subversion.FileStatusCache.getStatus(FileStatusCache.java:418)
   at org.netbeans.modules.subversion.Subversion.getOriginalFile(Subversion.java:629)
   at org.netbeans.modules.subversion.SubversionVCS.getOriginalFile(SubversionVCS.java:130)
   at org.netbeans.modules.versioning.DelegatingVCS.getOriginalFile(DelegatingVCS.java:141)
   at org.netbeans.modules.versioning.ui.diff.DiffSidebar.checkoutOriginalFiles(DiffSidebar.java:1059)
   at org.netbeans.modules.versioning.ui.diff.DiffSidebar.getText(DiffSidebar.java:993)
   at org.netbeans.modules.versioning.ui.diff.DiffSidebar.access$1600(DiffSidebar.java:114)
   at org.netbeans.modules.versioning.ui.diff.DiffSidebar$RefreshDiffTask.fetchOriginalContent(DiffSidebar.java:962)
   at org.netbeans.modules.versioning.ui.diff.DiffSidebar$RefreshDiffTask.computeDiff(DiffSidebar.java:931)
   at org.netbeans.modules.versioning.ui.diff.DiffSidebar$RefreshDiffTask.run(DiffSidebar.java:916)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)
Caused: org.openide.util.RequestProcessor$FastItem: task failed due to: java.lang.AssertionError