Deadlock
--------

                 Key: DERBY-4129
                 URL: https://issues.apache.org/jira/browse/DERBY-4129
             Project: Derby
          Issue Type: Bug
    Affects Versions: 10.4.2.0
         Environment: Linux 2.6.18-53.1.14.el5 #1 SMP Wed Mar 5 11:36:49 EST 
2008 i686 i686 i386 GNU/Linux

            Reporter: Malchenko Inna


Threads working with embedded derby get deadlocked.
Thread dump:

Found one Java-level deadlock:
=============================
"http-8080-13":
  waiting to lock monitor 0x09d1a37c (object 0x9560fcd8, a 
org.apache.derby.impl.store.raw.data.BaseContainerHandle),
  which is held by "dwc.ma.MAJobsManager:dwc.ma.MAManager"
"dwc.ma.MAJobsManager:dwc.ma.MAManager":
  waiting to lock monitor 0x09d1a57c (object 0x93da0180, a 
org.apache.derby.impl.store.raw.data.StoredPage),
  which is held by "http-8080-13"

Java stack information for the threads listed above:
===================================================
"http-8080-13":
        at java.util.Observable.deleteObserver(Observable.java:78)
        - waiting to lock <0x9560fcd8> (a 
org.apache.derby.impl.store.raw.data.BaseContainerHandle)
        at 
org.apache.derby.impl.store.raw.data.BasePage.releaseExclusive(Unknown Source)
        - locked <0x93da0180> (a 
org.apache.derby.impl.store.raw.data.StoredPage)
        at 
org.apache.derby.impl.store.raw.data.CachedPage.releaseExclusive(Unknown Source)
        at 
org.apache.derby.impl.store.raw.data.StoredPage.releaseExclusive(Unknown Source)
        at org.apache.derby.impl.store.raw.data.BasePage.unlatch(Unknown Source)
        at 
org.apache.derby.impl.store.raw.data.OverflowInputStream.fillByteHolder(Unknown 
Source)
        at 
org.apache.derby.impl.store.raw.data.BufferedByteHolderInputStream.read(Unknown 
Source)
        at java.io.DataInputStream.readFully(DataInputStream.java:176)
        at java.io.DataInputStream.readFully(DataInputStream.java:152)
        at org.apache.derby.iapi.types.SQLBinary.readExternal(Unknown Source)
        at org.apache.derby.iapi.types.SQLBinary.getValue(Unknown Source)
        at org.apache.derby.iapi.types.SQLBinary.getBytes(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedResultSet.getBytes(Unknown Source)
        at dwc.ma.MAOrderProcessor.loadData(MAOrderProcessor.java:147)
        - locked <0x91f211b0> (a java.lang.Object)
        - locked <0x91f6a068> (a dwc.ma.MAOrderProcessor)
        at 
dwc.ma.MAOrderProcessor.generateBundlesForUser(MAOrderProcessor.java:538)
        - locked <0x91f6a068> (a dwc.ma.MAOrderProcessor)
        at 
dwc.ma.MARequestProcessor$HBundleRequest.process(MARequestProcessor.java:239)
        at dwc.ma.MARequestProcessor.processRequest(MARequestProcessor.java:39)
        at dwc.ma.doProc.doPost(doProc.java:92)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:595)
"dwc.ma.MAJobsManager:dwc.ma.MAManager":
        at 
org.apache.derby.impl.store.raw.data.BasePage.releaseExclusive(Unknown Source)
        - waiting to lock <0x93da0180> (a 
org.apache.derby.impl.store.raw.data.StoredPage)
        at 
org.apache.derby.impl.store.raw.data.CachedPage.releaseExclusive(Unknown Source)
        at 
org.apache.derby.impl.store.raw.data.StoredPage.releaseExclusive(Unknown Source)
        at org.apache.derby.impl.store.raw.data.BasePage.update(Unknown Source)
        at java.util.Observable.notifyObservers(Observable.java:142)
        at java.util.Observable.notifyObservers(Observable.java:98)
        at 
org.apache.derby.impl.store.raw.data.BaseContainerHandle.informObservers(Unknown
 Source)
        at 
org.apache.derby.impl.store.raw.data.BaseContainerHandle.close(Unknown Source)
        - locked <0x9560fcd8> (a 
org.apache.derby.impl.store.raw.data.BaseContainerHandle)
        at 
org.apache.derby.impl.store.access.conglomerate.OpenConglomerate.close(Unknown 
Source)
        at 
org.apache.derby.impl.store.access.conglomerate.GenericController.close(Unknown 
Source)
        at 
org.apache.derby.impl.store.access.conglomerate.GenericConglomerateController.closeForEndTransaction(Unknown
 Source)
        at 
org.apache.derby.impl.store.access.RAMTransaction.closeControllers(Unknown 
Source)
        at org.apache.derby.impl.store.access.RAMTransaction.commit(Unknown 
Source)
        at 
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.doCommit(Unknown
 Source)
        at 
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.userCommit(Unknown
 Source)
        at org.apache.derby.impl.jdbc.TransactionResourceImpl.commit(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.EmbedConnection.commitIfAutoCommit(Unknown Source)
        at 
org.apache.derby.impl.jdbc.ConnectionChild.commitIfAutoCommit(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedStatement.resultSetClosing(Unknown 
Source)
        at org.apache.derby.impl.jdbc.EmbedResultSet.close(Unknown Source)
        - locked <0x91f0b7d0> (a org.apache.derby.impl.jdbc.EmbedConnection30)
        at 
dwc.ma.MAStatsProcessor$UserStatsBundlesProc.run(MAStatsProcessor.java:117)
        at dwc.ma.MAJobsManager$Runner.run(MAJobsManager.java:84)
        - locked <0x91fce338> (a java.util.LinkedList)
        at java.lang.Thread.run(Thread.java:595)

Found 1 deadlock.


-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.

Reply via email to