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From Nick Stolwijk <nick_stolw...@planet.nl>
Subject Re: Deadlock in DatabasePersistenceManager
Date Mon, 21 May 2007 14:48:17 GMT
Sorry for the lack of information. I will try to draw a bigger picture.

Our modification on the 1.2.1 tag consists of combining the Oracle and 
JNDI classes to use them both. See [1] Patching the OracleFileSystem and 
OraclePersistenceManager for use with JNDI.

The stacktraces of the threaddump is as following:

<"ExecuteThread: '21' for queue: 'weblogic.kernel.Default'" daemon prio=1 tid=0x76888760
nid=0x569a waiting for monitor entry [7574f000..7575187c]
<	at org.apache.jackrabbit.core.persistence.db.DatabasePersistenceManager.exists(DatabasePersistenceManager.java:645)
<	- waiting to lock <0x8a7ae690> (a java.lang.String)
<	at org.apache.jackrabbit.core.state.SharedItemStateManager.hasNonVirtualItemState(SharedItemStateManager.java:1050)
<	at org.apache.jackrabbit.core.state.SharedItemStateManager.hasItemState(SharedItemStateManager.java:287)
<	at org.apache.jackrabbit.core.state.LocalItemStateManager.hasItemState(LocalItemStateManager.java:180)
<	at org.apache.jackrabbit.core.state.XAItemStateManager.hasItemState(XAItemStateManager.java:252)
<	at org.apache.jackrabbit.core.state.SessionItemStateManager.getItemState(SessionItemStateManager.java:163)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.getItemState(HierarchyManagerImpl.java:120)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:267)
<	at org.apache.jackrabbit.core.CachingHierarchyManager.resolvePath(CachingHierarchyManager.java:132)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:203)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:341)
<	at org.apache.jackrabbit.core.CachingHierarchyManager.resolvePath(CachingHierarchyManager.java:193)
<	at org.apache.jackrabbit.core.NodeImpl.resolveRelativeNodePath(NodeImpl.java:243)
<	at org.apache.jackrabbit.core.NodeImpl.hasNode(NodeImpl.java:2507)
<	at nl.anwb.autoportaal.dao.jackrabbit.MediaRepositoryImpl$1.doInJcr(MediaRepositoryImpl.java:44)
<	at org.springmodules.jcr.JcrTemplate.execute(JcrTemplate.java:76)
<	at org.springmodules.jcr.JcrTemplate.execute(JcrTemplate.java:108)
<	at nl.anwb.autoportaal.dao.jackrabbit.MediaRepositoryImpl.getMedia(MediaRepositoryImpl.java:40)
<	at nl.anwb.autoportaal.facade.impl.CommonContextFacadeImpl.getMedia(CommonContextFacadeImpl.java:117)
<	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
<	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
<	at java.lang.reflect.Method.invoke(Method.java:324)
<	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:280)
<	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:187)
<	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:154)
<	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
<	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
<	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:210)
<	at $Proxy19.getMedia(Unknown Source)
<	at nl.anwb.autoportaal.web.search.ModelTekstSearchBean.getModelTekst(ModelTekstSearchBean.java:39)
<	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
<	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
<	at java.lang.reflect.Method.invoke(Method.java:324)
<	at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438)
<	at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82)
<	at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:141)
<	at com.sun.el.parser.AstValue.getValue(AstValue.java:96)
<	at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:183)
<	at com.sun.facelets.el.ELText$ELTextVariable.writeText(ELText.java:184)
<	at com.sun.facelets.compiler.TextInstruction.write(TextInstruction.java:45)
<	at com.sun.facelets.compiler.UIInstructions.encodeBegin(UIInstructions.java:39)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:232)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
<	at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:580)
<	at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:101)
<	at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:222)
<	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
<	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
<	at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1006)
<	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
<	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75)
<	at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:119)
<	at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:55)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
<	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:264)
<	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
<	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:217)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:191)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148)
<	at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:90)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:61)
<	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at nl.anwb.autoportaal.web.filters.SessionExpireFilter.doFilter(SessionExpireFilter.java:74)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6724)
<	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
<	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
<	at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764)
<	at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644)
<	at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
<	at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)

<"ExecuteThread: '20' for queue: 'weblogic.kernel.Default'" daemon prio=1 tid=0x76887c10
nid=0x569a runnable [757d0000..757d287c]
<	at java.net.SocketInputStream.socketRead0(Native Method)
<	at java.net.SocketInputStream.read(SocketInputStream.java:129)
<	at oracle.net.ns.Packet.receive(Unknown Source)
<	at oracle.net.ns.DataPacket.receive(Unknown Source)
<	at oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
<	at oracle.net.ns.NetInputStream.read(Unknown Source)
<	at oracle.net.ns.NetInputStream.read(Unknown Source)
<	at oracle.net.ns.NetInputStream.read(Unknown Source)
<	at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:971)
<	at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:941)
<	at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:432)
<	at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:181)
<	at oracle.jdbc.driver.T4CPreparedStatement.execute_for_rows(T4CPreparedStatement.java:543)
<	at oracle.jdbc.driver.OracleStatement.execute_maybe_describe(OracleStatement.java:913)
<	at oracle.jdbc.driver.T4CPreparedStatement.execute_maybe_describe(T4CPreparedStatement.java:452)
<	at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:984)
<	at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:2885)
<	at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:2976)
<	- locked <0x8a7da210> (a oracle.jdbc.driver.T4CPreparedStatement)
<	- locked <0x8a7b5ba8> (a oracle.jdbc.driver.T4CConnection)
<	at weblogic.jdbc.wrapper.PreparedStatement.execute(PreparedStatement.java:102)
<	at weblogic.jdbc.wrapper.PreparedStatement_oracle_jdbc_driver_T4CPreparedStatement.execute(Unknown
Source)
<	at org.apache.jackrabbit.core.persistence.db.DatabasePersistenceManager.executeStmt(DatabasePersistenceManager.java:835)
<	at org.apache.jackrabbit.core.persistence.db.DatabasePersistenceManager.exists(DatabasePersistenceManager.java:647)
<	- locked <0x8a7ae690> (a java.lang.String)
<	at org.apache.jackrabbit.core.state.SharedItemStateManager.hasNonVirtualItemState(SharedItemStateManager.java:1050)
<	at org.apache.jackrabbit.core.state.SharedItemStateManager.hasItemState(SharedItemStateManager.java:287)
<	at org.apache.jackrabbit.core.state.LocalItemStateManager.hasItemState(LocalItemStateManager.java:180)
<	at org.apache.jackrabbit.core.state.XAItemStateManager.hasItemState(XAItemStateManager.java:252)
<	at org.apache.jackrabbit.core.state.SessionItemStateManager.getItemState(SessionItemStateManager.java:163)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.getItemState(HierarchyManagerImpl.java:120)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:267)
<	at org.apache.jackrabbit.core.CachingHierarchyManager.resolvePath(CachingHierarchyManager.java:132)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:203)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:341)
<	at org.apache.jackrabbit.core.CachingHierarchyManager.resolvePath(CachingHierarchyManager.java:193)
<	at org.apache.jackrabbit.core.NodeImpl.resolveRelativeNodePath(NodeImpl.java:243)
<	at org.apache.jackrabbit.core.NodeImpl.hasNode(NodeImpl.java:2507)
<	at nl.anwb.autoportaal.dao.jackrabbit.MediaRepositoryImpl$1.doInJcr(MediaRepositoryImpl.java:44)
<	at org.springmodules.jcr.JcrTemplate.execute(JcrTemplate.java:76)
<	at org.springmodules.jcr.JcrTemplate.execute(JcrTemplate.java:108)
<	at nl.anwb.autoportaal.dao.jackrabbit.MediaRepositoryImpl.getMedia(MediaRepositoryImpl.java:40)
<	at nl.anwb.autoportaal.facade.impl.CommonContextFacadeImpl.getMedia(CommonContextFacadeImpl.java:117)
<	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
<	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
<	at java.lang.reflect.Method.invoke(Method.java:324)
<	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:280)
<	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:187)
<	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:154)
<	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
<	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
<	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:210)
<	at $Proxy19.getMedia(Unknown Source)
<	at nl.anwb.autoportaal.web.search.ModelTekstSearchBean.getModelTekst(ModelTekstSearchBean.java:39)
<	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
<	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
<	at java.lang.reflect.Method.invoke(Method.java:324)
<	at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438)
<	at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82)
<	at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:141)
<	at com.sun.el.parser.AstValue.getValue(AstValue.java:96)
<	at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:183)
<	at com.sun.facelets.el.ELText$ELTextVariable.writeText(ELText.java:184)
<	at com.sun.facelets.compiler.TextInstruction.write(TextInstruction.java:45)
<	at com.sun.facelets.compiler.UIInstructions.encodeBegin(UIInstructions.java:39)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:232)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
<	at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:580)
<	at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:101)
<	at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:222)
<	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
<	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
<	at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1006)
<	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
<	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75)
<	at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:119)
<	at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:55)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
<	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:264)
<	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
<	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:217)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:191)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148)
<	at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:90)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:61)
<	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at nl.anwb.autoportaal.web.filters.SessionExpireFilter.doFilter(SessionExpireFilter.java:74)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6724)
<	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
<	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
<	at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764)
<	at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644)
<	at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
<	at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)


<"ExecuteThread: '19' for queue: 'weblogic.kernel.Default'" daemon prio=1 tid=0x768870c0
nid=0x569a waiting for monitor entry [75851000..7585387c]
<	at org.apache.jackrabbit.core.persistence.db.DatabasePersistenceManager.exists(DatabasePersistenceManager.java:645)
<	- waiting to lock <0x8a7ae690> (a java.lang.String)
<	at org.apache.jackrabbit.core.state.SharedItemStateManager.hasNonVirtualItemState(SharedItemStateManager.java:1050)
<	at org.apache.jackrabbit.core.state.SharedItemStateManager.hasItemState(SharedItemStateManager.java:287)
<	at org.apache.jackrabbit.core.state.LocalItemStateManager.hasItemState(LocalItemStateManager.java:180)
<	at org.apache.jackrabbit.core.state.XAItemStateManager.hasItemState(XAItemStateManager.java:252)
<	at org.apache.jackrabbit.core.state.SessionItemStateManager.getItemState(SessionItemStateManager.java:163)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.getItemState(HierarchyManagerImpl.java:120)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:267)
<	at org.apache.jackrabbit.core.CachingHierarchyManager.resolvePath(CachingHierarchyManager.java:132)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:203)
<	at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:341)
<	at org.apache.jackrabbit.core.CachingHierarchyManager.resolvePath(CachingHierarchyManager.java:193)
<	at org.apache.jackrabbit.core.NodeImpl.resolveRelativeNodePath(NodeImpl.java:243)
<	at org.apache.jackrabbit.core.NodeImpl.hasNode(NodeImpl.java:2507)
<	at nl.anwb.autoportaal.dao.jackrabbit.MediaRepositoryImpl$1.doInJcr(MediaRepositoryImpl.java:44)
<	at org.springmodules.jcr.JcrTemplate.execute(JcrTemplate.java:76)
<	at org.springmodules.jcr.JcrTemplate.execute(JcrTemplate.java:108)
<	at nl.anwb.autoportaal.dao.jackrabbit.MediaRepositoryImpl.getMedia(MediaRepositoryImpl.java:40)
<	at nl.anwb.autoportaal.facade.impl.CommonContextFacadeImpl.getMedia(CommonContextFacadeImpl.java:117)
<	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
<	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
<	at java.lang.reflect.Method.invoke(Method.java:324)
<	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:280)
<	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:187)
<	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:154)
<	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
<	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
<	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:210)
<	at $Proxy19.getMedia(Unknown Source)
<	at nl.anwb.autoportaal.web.search.ModelTekstSearchBean.getModelTekst(ModelTekstSearchBean.java:39)
<	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
<	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
<	at java.lang.reflect.Method.invoke(Method.java:324)
<	at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438)
<	at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82)
<	at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:141)
<	at com.sun.el.parser.AstValue.getValue(AstValue.java:96)
<	at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:183)
<	at com.sun.facelets.el.ELText$ELTextVariable.writeText(ELText.java:184)
<	at com.sun.facelets.compiler.TextInstruction.write(TextInstruction.java:45)
<	at com.sun.facelets.compiler.UIInstructions.encodeBegin(UIInstructions.java:39)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:232)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
<	at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
<	at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:580)
<	at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:101)
<	at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:222)
<	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
<	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
<	at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1006)
<	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
<	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75)
<	at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:119)
<	at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:55)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
<	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:264)
<	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
<	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:217)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:191)
<	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
<	at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148)
<	at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:90)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:61)
<	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at nl.anwb.autoportaal.web.filters.SessionExpireFilter.doFilter(SessionExpireFilter.java:74)
<	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
<	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6724)
<	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
<	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
<	at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764)
<	at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644)
<	at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
<	at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)


We first used jackrabbit to only query existing nodes. A while ago we 
also started to query non-existing nodes (Files with text) The method 
nl.anwb.autoportaal.web.search.ModelTekstSearchBean.getModelTekst(ModelTekstSearchBean.java:39

is used for this.

It is hard to test, because the only place we have been able to 
reproduce this is the acceptance server at our customers site.

I hope this is enough information. If not, please ask.

Nick Stolwijk

[1] http://wiki.apache.org/jackrabbit/ExamplesPage

Stefan Guggisberg wrote:
> hi nick,
>
> On 5/21/07, Nick Stolwijk <nick_stolwijk@planet.nl> wrote:
>> We have a problem with a deadlock in Jackrabbit. We are using version
>> 1.2.1 with some modifications to use a Oracle connection through JNDI.
>>
>> Now we have a deadlock in the DatabasePersistenceManager. Can someone
>> explain to me what we're doing wrong.
>
> well that's going to be very difficult without knowing what exactly
> you're doing
> and what exactly your modifcations consist of ;) we'd also need a jvm 
> thread
> dump including all threads involved in the dead lock.
>
> btw: are you also experiencing dead locks with an out-of-the-box 
> jackrabbit
> release?
>
> cheers
> stefan
>
>>
>> Stacktrace:
>>
>> "ExecuteThread: '21' for queue: 'weblogic.kernel.Default'" daemon 
>> prio=1 tid=0x76888760 nid=0x569a waiting for monitor entry 
>> [7574f000..7575187c]
>> <       at 
>> org.apache.jackrabbit.core.persistence.db.DatabasePersistenceManager.exists(DatabasePersistenceManager.java:645)

>>
>> <       - waiting to lock <0x8a7ae690> (a java.lang.String)
>> <       at 
>> org.apache.jackrabbit.core.state.SharedItemStateManager.hasNonVirtualItemState(SharedItemStateManager.java:1050)

>>
>> <       at 
>> org.apache.jackrabbit.core.state.SharedItemStateManager.hasItemState(SharedItemStateManager.java:287)

>>
>> <       at 
>> org.apache.jackrabbit.core.state.LocalItemStateManager.hasItemState(LocalItemStateManager.java:180)

>>
>> <       at 
>> org.apache.jackrabbit.core.state.XAItemStateManager.hasItemState(XAItemStateManager.java:252)

>>
>> <       at 
>> org.apache.jackrabbit.core.state.SessionItemStateManager.getItemState(SessionItemStateManager.java:163)

>>
>> <       at 
>> org.apache.jackrabbit.core.HierarchyManagerImpl.getItemState(HierarchyManagerImpl.java:120)

>>
>> <       at 
>> org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:267)

>>
>> <       at 
>> org.apache.jackrabbit.core.CachingHierarchyManager.resolvePath(CachingHierarchyManager.java:132)

>>
>> <       at 
>> org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:203)

>>
>> <       at 
>> org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePath(HierarchyManagerImpl.java:341)

>>
>> <       at 
>> org.apache.jackrabbit.core.CachingHierarchyManager.resolvePath(CachingHierarchyManager.java:193)

>>
>> <       at 
>> org.apache.jackrabbit.core.NodeImpl.resolveRelativeNodePath(NodeImpl.java:243) 
>>
>> <       at 
>> org.apache.jackrabbit.core.NodeImpl.hasNode(NodeImpl.java:2507)
>> <       at 
>> nl.anwb.autoportaal.dao.jackrabbit.MediaRepositoryImpl$1.doInJcr(MediaRepositoryImpl.java:44)

>>
>> <       at 
>> org.springmodules.jcr.JcrTemplate.execute(JcrTemplate.java:76)
>> <       at 
>> org.springmodules.jcr.JcrTemplate.execute(JcrTemplate.java:108)
>> <       at 
>> nl.anwb.autoportaal.dao.jackrabbit.MediaRepositoryImpl.getMedia(MediaRepositoryImpl.java:40)

>>
>>
>>
>> Environment:
>> Weblogic 8.1
>> Oracle 9
>> Weblogic connection pool with 15 connections
>> Jackrabbit 1.2.1
>>
>> I hope someone can help me.
>>
>> Nick Stolwijk
>>
>>
>


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