database problem

On Wed, Dec 10, 2014 at 11:34 AM, Achim Baumgartner <achim_baumgartner at yahoo.de> wrote: > Hello Dr. Grün, > > I open the database 'Collection' in the basex tool > and enter the following query > > for $x in collection('Collection') > return $x//PoetSession > > and get the following error message under Query Info. > If you want I can provide you with the database files. > > Kind regards, > > Achim. > > > Error: > Improper use? Potential bug? Your feedback is welcome: > Contact: basex-talk at mailman.uni-konstanz.de > Version: BaseX 7.9 > Java: Sun Microsystems Inc., 1.6.0_21 > OS: Windows XP, x86 > Stack Trace: > java.lang.RuntimeException: Data Access out of bounds: > - pre value: 75055 > - #used blocks: 294 > - #total locks: 294 > - access: 293 (294 > 293] > at org.basex.util.Util.notExpected(Util.java:53) > at > org.basex.io.random.TableDiskAccess.cursor(TableDiskAccess.java:508) > at > org.basex.io.random.TableDiskAccess.read1(TableDiskAccess.java:194) > at org.basex.data.Data.kind(Data.java:284) > at org.basex.query.value.node.DBNode.<init>(DBNode.java:53) > at org.basex.query.value.seq.DBNodeSeq.itemAt(DBNodeSeq.java:65) > at org.basex.query.value.seq.DBNodeSeq.itemAt(DBNodeSeq.java:19) > at org.basex.query.value.seq.Seq$1.next(Seq.java:92) > at org.basex.query.gflwor.For$1.next(For.java:71) > at org.basex.query.gflwor.GFLWOR$2.next(GFLWOR.java:74) > at org.basex.query.MainModule$1.next(MainModule.java:98) > at org.basex.query.QueryContext.execute(QueryContext.java:580) > at org.basex.query.QueryProcessor.execute(QueryProcessor.java:101) > at org.basex.core.cmd.AQuery.query(AQuery.java:82) > at org.basex.core.cmd.XQuery.run(XQuery.java:22) > at org.basex.core.Command.run(Command.java:329) > at org.basex.core.Command.execute(Command.java:94) > at org.basex.gui.GUI.exec(GUI.java:417) > at org.basex.gui.GUI.access$500(GUI.java:41) > at org.basex.gui.GUI$8.run(GUI.java:361) > Compiling: > - pre-evaluating fn:collection("Collection") > - simplifying descendant-or-self step(s) > Query: > for $x in collection('Collection') return $x//PoetSession > Optimized Query: > for $x_0 in (db:open-pre("Collection",0), db:open-pre("Collection",766), > ...) return $x_0/descendant::PoetSession > Query plan: > <QueryPlan> > <GFLWOR> > <For> > <Var name="$x" id="0"/> > <DBNodeSeq size="103"> > <DBNode name="Collection" pre="0"/> > <DBNode name="Collection" pre="766"/> > <DBNode name="Collection" pre="1242"/> > <DBNode name="Collection" pre="2008"/> > <DBNode name="Collection" pre="2777"/> > </DBNodeSeq> > </For> > <IterPath> > <VarRef> > <Var name="$x" id="0"/> > </VarRef> > <IterStep axis="descendant" test="PoetSession"/> > </IterPath> > </GFLWOR> > </QueryPlan> >

On Wed, Dec 10, 2014 at 12:28 PM, Achim Baumgartner <achim_baumgartner at yahoo.de> wrote: > Hello Christian, > > Thank you for your prompt answer. > Inspect from basex tool (under command section) gives me back > > Checking main table (75055 nodes): > - 0 invalid node kinds > - 0 invalid parent references > - 0 wrong parent/descendent relationships > No inconsistencies found. > > What I do PoetSession is an xml doc that is replaced around 20 times > before the database ends up in the described state. > It works a couple of times and then it goes wrong in the query following the > replace. > (every step in the application changes something to it and then > i use new Replace(path,content).execute(context) to update it. > > > Kind regards, > > Achim. > > > > Christian Grün <christian.gruen at gmail.com> schrieb am 11:48 Mittwoch, > 10.Dezember 2014: > > > Hi Achim, > > Thanks for your mail. It seems as if your database has possibly gone > corrupt. The INSPECT command can e.g. be used to analyze the data > structures of a given database [1]. > > If the problem persists after recreating your database, please don't > hesitate to provide us with your input data (if it's confidential, > feel free to drop me a personal note). > > Best, > Christian > > [1] http://docs.basex.org/wiki/Commands#INSPECT > > > > On Wed, Dec 10, 2014 at 11:34 AM, Achim Baumgartner > <achim_baumgartner at yahoo.de> wrote: >> Hello Dr. Grün, >> >> I open the database 'Collection' in the basex tool >> and enter the following query >> >> for $x in collection('Collection') >> return $x//PoetSession >> >> and get the following error message under Query Info. >> If you want I can provide you with the database files. >> >> Kind regards, >> >> Achim. >> >> >> Error: >> Improper use? Potential bug? Your feedback is welcome: >> Contact: basex-talk at mailman.uni-konstanz.de >> Version: BaseX 7.9 >> Java: Sun Microsystems Inc., 1.6.0_21 >> OS: Windows XP, x86 >> Stack Trace: >> java.lang.RuntimeException: Data Access out of bounds: >> - pre value: 75055 >> - #used blocks: 294 >> - #total locks: 294 >> - access: 293 (294 > 293] >> at org.basex.util.Util.notExpected(Util.java:53) >> at >> org.basex.io.random.TableDiskAccess.cursor(TableDiskAccess.java:508) >> at >> org.basex.io.random.TableDiskAccess.read1(TableDiskAccess.java:194) >> at org.basex.data.Data.kind(Data.java:284) >> at org.basex.query.value.node.DBNode.<init>(DBNode.java:53) >> at org.basex.query.value.seq.DBNodeSeq.itemAt(DBNodeSeq.java:65) >> at org.basex.query.value.seq.DBNodeSeq.itemAt(DBNodeSeq.java:19) >> at org.basex.query.value.seq.Seq$1.next(Seq.java:92) >> at org.basex.query.gflwor.For$1.next(For.java:71) >> at org.basex.query.gflwor.GFLWOR$2.next(GFLWOR.java:74) >> at org.basex.query.MainModule$1.next(MainModule.java:98) >> at org.basex.query.QueryContext.execute(QueryContext.java:580) >> at org.basex.query.QueryProcessor.execute(QueryProcessor.java:101) >> at org.basex.core.cmd.AQuery.query(AQuery.java:82) >> at org.basex.core.cmd.XQuery.run(XQuery.java:22) >> at org.basex.core.Command.run(Command.java:329) >> at org.basex.core.Command.execute(Command.java:94) >> at org.basex.gui.GUI.exec(GUI.java:417) >> at org.basex.gui.GUI.access$500(GUI.java:41) >> at org.basex.gui.GUI$8.run(GUI.java:361) >> Compiling: >> - pre-evaluating fn:collection("Collection") >> - simplifying descendant-or-self step(s) >> Query: >> for $x in collection('Collection') return $x//PoetSession >> Optimized Query: >> for $x_0 in (db:open-pre("Collection",0), db:open-pre("Collection",766), >> ...) return $x_0/descendant::PoetSession >> Query plan: >> <QueryPlan> >> <GFLWOR> >> <For> >> <Var name="$x" id="0"/> >> <DBNodeSeq size="103"> >> <DBNode name="Collection" pre="0"/> >> <DBNode name="Collection" pre="766"/> >> <DBNode name="Collection" pre="1242"/> >> <DBNode name="Collection" pre="2008"/> >> <DBNode name="Collection" pre="2777"/> >> </DBNodeSeq> >> </For> >> <IterPath> >> <VarRef> >> <Var name="$x" id="0"/> >> </VarRef> >> <IterStep axis="descendant" test="PoetSession"/> >> </IterPath> >> </GFLWOR> >> </QueryPlan> >> > >