Concurrency Issue while loading documents.

On Fri, Aug 14, 2015 at 2:05 PM, ankit kumar <anky4bugs at gmail.com> wrote: > Hi, > > We are adding number of documents concurrently to the Basex database using > basex java api. Our application runs three threads in which each thread is > adding documents to it by executing following instructions in java as given > below. > > new Add("",new File(source).getAbsolutePath()).execute(context); > > while running our application sometimes throws the following error > > Java: Oracle Corporation, 1.7.0_71 > OS: Windows 7, amd64 > Stack Trace: > java.lang.ArrayIndexOutOfBoundsException: 8 > at org.basex.util.hash.TokenSet.index(TokenSet.java:161) > at org.basex.util.hash.TokenSet.put(TokenSet.java:97) > at org.basex.data.Namespaces.open(Namespaces.java:319) > at org.basex.data.NSScope.open(NSScope.java:72) > at org.basex.data.Data.insert(Data.java:775) > at org.basex.query.up.atomic.Insert.apply(Insert.java:44) > at > org.basex.query.up.atomic.AtomicUpdateCache.applyUpdates(AtomicUpdateCache.java:297) > at > org.basex.query.up.atomic.AtomicUpdateCache.execute(AtomicUpdateCache.java:281) > at org.basex.core.cmd.Add.run(Add.java:66) > at org.basex.core.Command.run(Command.java:398) > at org.basex.core.Command.execute(Command.java:100) > at org.basex.core.Command.execute(Command.java:123) > at com.myapp.MyDataBase.addSource(MyDataBase.java:85) > > at com.myapp.ProcessorLoader$1.run(ProcessorLoader.java:132) > at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) > at java.util.concurrent.FutureTask.run(Unknown Source) > at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) > at java.lang.Thread.run(Unknown Source) > > > thanks, > Anky >

On Fri, Aug 14, 2015 at 2:58 PM, Christian Grün <christian.gruen at gmail.com> wrote: > Hi Ankit, > > I guess you are working with the latest version of BaseX? Could you > please provide us with some code that allows us to reproduce the bug? > > Thank in advance, > Christian > > > On Fri, Aug 14, 2015 at 2:05 PM, ankit kumar <anky4bugs at gmail.com> wrote: >> Hi, >> >> We are adding number of documents concurrently to the Basex database using >> basex java api. Our application runs three threads in which each thread is >> adding documents to it by executing following instructions in java as given >> below. >> >> new Add("",new File(source).getAbsolutePath()).execute(context); >> >> while running our application sometimes throws the following error >> >> Java: Oracle Corporation, 1.7.0_71 >> OS: Windows 7, amd64 >> Stack Trace: >> java.lang.ArrayIndexOutOfBoundsException: 8 >> at org.basex.util.hash.TokenSet.index(TokenSet.java:161) >> at org.basex.util.hash.TokenSet.put(TokenSet.java:97) >> at org.basex.data.Namespaces.open(Namespaces.java:319) >> at org.basex.data.NSScope.open(NSScope.java:72) >> at org.basex.data.Data.insert(Data.java:775) >> at org.basex.query.up.atomic.Insert.apply(Insert.java:44) >> at >> org.basex.query.up.atomic.AtomicUpdateCache.applyUpdates(AtomicUpdateCache.java:297) >> at >> org.basex.query.up.atomic.AtomicUpdateCache.execute(AtomicUpdateCache.java:281) >> at org.basex.core.cmd.Add.run(Add.java:66) >> at org.basex.core.Command.run(Command.java:398) >> at org.basex.core.Command.execute(Command.java:100) >> at org.basex.core.Command.execute(Command.java:123) >> at com.myapp.MyDataBase.addSource(MyDataBase.java:85) >> >> at com.myapp.ProcessorLoader$1.run(ProcessorLoader.java:132) >> at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) >> at java.util.concurrent.FutureTask.run(Unknown Source) >> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) >> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) >> at java.lang.Thread.run(Unknown Source) >> >> >> thanks, >> Anky >>