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Posted to dev@geronimo.apache.org by "YunFeng Ma (JIRA)" <ji...@apache.org> on 2007/07/30 14:15:54 UTC
[jira] Created: (GERONIMO-3363) ArrayList thread safe problem in
OpenJPA
ArrayList thread safe problem in OpenJPA
----------------------------------------
Key: GERONIMO-3363
URL: https://issues.apache.org/jira/browse/GERONIMO-3363
Project: Geronimo
Issue Type: Bug
Security Level: public (Regular issues)
Components: persistence
Affects Versions: 2.0-M7
Reporter: YunFeng Ma
Fix For: 2.0-M7
When running stress testing using DayTrader with JPA mode, got a lot of ArrayList thread safe problem.
The thread safe problem happened in org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction, but this method has the following comments:
// we don't need to synchronize on brokers or guard against multiple
// threads using the same trans since one JTA transaction can never
// be active on multiple concurrent threads.
Collection brokers = (Collection) _transactional.get(trans);
if (brokers == null) {
brokers = new ArrayList(2);
_transactional.put(trans, brokers);
trans.registerSynchronization(new RemoveTransactionSync(trans));
}
brokers.add(broker);
Does this mean that it's Geronimo which causes the thread safe problem?
The exception stack:
java.rmi.RemoteException: The bean encountered a non-application exception.; nested exception is:
javax.ejb.EJBException: TradeBean.getClosedOrders - error
at org.apache.openejb.core.transaction.TransactionPolicy.throwExceptionToServer(TransactionPolicy.java:211)
at org.apache.openejb.core.transaction.TxRequired.handleSystemException(TxRequired.java:106)
at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:210)
at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
at $Proxy109.getClosedOrders(Unknown Source)
at org.apache.geronimo.samples.daytrader.TradeAction.getClosedOrders(TradeAction.java:276)
at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:801)
Caused by: javax.ejb.EJBException: TradeBean.getClosedOrders - error
at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:491)
at sun.reflect.GeneratedMethodAccessor324.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
.java:146)
at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
... 24 more
Caused by: <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
)
at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
)
at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createNamedQuery(CMPEntityManagerTxScoped.java:259)
at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:470)
... 31 more
Caused by: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException
at org.apache.openjpa.util.Exceptions.replaceNestedThrowables(Exceptions.java:242)
at org.apache.openjpa.persistence.PersistenceException.writeObject(PersistenceException.java:100)
at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:413)
at java.lang.Throwable.writeObject(Throwable.java:320)
at sun.reflect.GeneratedMethodAccessor341.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1434)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:324)
at org.apache.openejb.core.ivm.BaseEjbProxyHandler.copyObj(BaseEjbProxyHandler.java:491)
at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:237)
... 20 more
20:00:40,656 ERROR [OpenEJB] The bean instances business method encountered a system exception: null
<1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
)
at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
)
at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.find(CMPEntityManagerTxScoped.java:123)
at org.apache.geronimo.samples.daytrader.TradeJPA.getQuote(TradeJPA.java:201)
at sun.reflect.GeneratedMethodAccessor330.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
.java:146)
at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
at $Proxy109.getQuote(Unknown Source)
at org.apache.geronimo.samples.daytrader.TradeAction.getQuote(TradeAction.java:328)
at org.apache.geronimo.samples.daytrader.web.TradeServletAction.doPortfolio(TradeServletAction.java:518)
at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.performTask(TradeAppServlet.java:165)
at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.doGet(TradeAppServlet.java:77)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:91)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:801)
Caused by:
java.lang.ArrayIndexOutOfBoundsException
at java.util.ArrayList.add(ArrayList.java:378)
at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:732)
... 47 more
The problem can be easy fixed by changing the following line:
brokers = new ArrayList(2); --> brokers = Collections.synchronizedCollection(new ArrayList(2));
But not sure it's whose problem.
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[jira] Updated: (GERONIMO-3363) ArrayList thread safe problem in
OpenJPA
Posted by "Donald Woods (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/GERONIMO-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Donald Woods updated GERONIMO-3363:
-----------------------------------
Priority: Blocker (was: Major)
Fix Version/s: (was: 2.0-M7)
2.0
> ArrayList thread safe problem in OpenJPA
> ----------------------------------------
>
> Key: GERONIMO-3363
> URL: https://issues.apache.org/jira/browse/GERONIMO-3363
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: persistence
> Affects Versions: 2.0-M7
> Reporter: YunFeng Ma
> Priority: Blocker
> Fix For: 2.0
>
>
> When running stress testing using DayTrader with JPA mode, got a lot of ArrayList thread safe problem.
> The thread safe problem happened in org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction, but this method has the following comments:
> // we don't need to synchronize on brokers or guard against multiple
> // threads using the same trans since one JTA transaction can never
> // be active on multiple concurrent threads.
> Collection brokers = (Collection) _transactional.get(trans);
> if (brokers == null) {
> brokers = new ArrayList(2);
> _transactional.put(trans, brokers);
> trans.registerSynchronization(new RemoveTransactionSync(trans));
> }
> brokers.add(broker);
> Does this mean that it's Geronimo which causes the thread safe problem?
> The exception stack:
> java.rmi.RemoteException: The bean encountered a non-application exception.; nested exception is:
> javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.openejb.core.transaction.TransactionPolicy.throwExceptionToServer(TransactionPolicy.java:211)
> at org.apache.openejb.core.transaction.TxRequired.handleSystemException(TxRequired.java:106)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:210)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getClosedOrders(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getClosedOrders(TradeAction.java:276)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:76)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by: javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:491)
> at sun.reflect.GeneratedMethodAccessor324.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> ... 24 more
> Caused by: <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createNamedQuery(CMPEntityManagerTxScoped.java:259)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:470)
> ... 31 more
> Caused by: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException
> at org.apache.openjpa.util.Exceptions.replaceNestedThrowables(Exceptions.java:242)
> at org.apache.openjpa.persistence.PersistenceException.writeObject(PersistenceException.java:100)
> at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:413)
> at java.lang.Throwable.writeObject(Throwable.java:320)
> at sun.reflect.GeneratedMethodAccessor341.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1434)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:324)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.copyObj(BaseEjbProxyHandler.java:491)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:237)
> ... 20 more
> 20:00:40,656 ERROR [OpenEJB] The bean instances business method encountered a system exception: null
> <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.find(CMPEntityManagerTxScoped.java:123)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getQuote(TradeJPA.java:201)
> at sun.reflect.GeneratedMethodAccessor330.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getQuote(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getQuote(TradeAction.java:328)
> at org.apache.geronimo.samples.daytrader.web.TradeServletAction.doPortfolio(TradeServletAction.java:518)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.performTask(TradeAppServlet.java:165)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.doGet(TradeAppServlet.java:77)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:91)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by:
> java.lang.ArrayIndexOutOfBoundsException
> at java.util.ArrayList.add(ArrayList.java:378)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:732)
> ... 47 more
> The problem can be easy fixed by changing the following line:
> brokers = new ArrayList(2); --> brokers = Collections.synchronizedCollection(new ArrayList(2));
> But not sure it's whose problem.
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[jira] Commented: (GERONIMO-3363) ArrayList thread safe problem in
OpenJPA
Posted by "Donald Woods (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/GERONIMO-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12517611 ]
Donald Woods commented on GERONIMO-3363:
----------------------------------------
This was fixed by OPENJPA-295 in Rev562530, which will wait to pull in after 2.0.0 has been released.
> ArrayList thread safe problem in OpenJPA
> ----------------------------------------
>
> Key: GERONIMO-3363
> URL: https://issues.apache.org/jira/browse/GERONIMO-3363
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: persistence
> Affects Versions: 2.0
> Reporter: YunFeng Ma
> Fix For: 2.0.x
>
>
> When running stress testing using DayTrader with JPA mode, got a lot of ArrayList thread safe problem.
> The thread safe problem happened in org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction, but this method has the following comments:
> // we don't need to synchronize on brokers or guard against multiple
> // threads using the same trans since one JTA transaction can never
> // be active on multiple concurrent threads.
> Collection brokers = (Collection) _transactional.get(trans);
> if (brokers == null) {
> brokers = new ArrayList(2);
> _transactional.put(trans, brokers);
> trans.registerSynchronization(new RemoveTransactionSync(trans));
> }
> brokers.add(broker);
> Does this mean that it's Geronimo which causes the thread safe problem?
> The exception stack:
> java.rmi.RemoteException: The bean encountered a non-application exception.; nested exception is:
> javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.openejb.core.transaction.TransactionPolicy.throwExceptionToServer(TransactionPolicy.java:211)
> at org.apache.openejb.core.transaction.TxRequired.handleSystemException(TxRequired.java:106)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:210)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getClosedOrders(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getClosedOrders(TradeAction.java:276)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:76)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by: javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:491)
> at sun.reflect.GeneratedMethodAccessor324.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> ... 24 more
> Caused by: <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createNamedQuery(CMPEntityManagerTxScoped.java:259)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:470)
> ... 31 more
> Caused by: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException
> at org.apache.openjpa.util.Exceptions.replaceNestedThrowables(Exceptions.java:242)
> at org.apache.openjpa.persistence.PersistenceException.writeObject(PersistenceException.java:100)
> at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:413)
> at java.lang.Throwable.writeObject(Throwable.java:320)
> at sun.reflect.GeneratedMethodAccessor341.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1434)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:324)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.copyObj(BaseEjbProxyHandler.java:491)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:237)
> ... 20 more
> 20:00:40,656 ERROR [OpenEJB] The bean instances business method encountered a system exception: null
> <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.find(CMPEntityManagerTxScoped.java:123)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getQuote(TradeJPA.java:201)
> at sun.reflect.GeneratedMethodAccessor330.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getQuote(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getQuote(TradeAction.java:328)
> at org.apache.geronimo.samples.daytrader.web.TradeServletAction.doPortfolio(TradeServletAction.java:518)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.performTask(TradeAppServlet.java:165)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.doGet(TradeAppServlet.java:77)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:91)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by:
> java.lang.ArrayIndexOutOfBoundsException
> at java.util.ArrayList.add(ArrayList.java:378)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:732)
> ... 47 more
> The problem can be easy fixed by changing the following line:
> brokers = new ArrayList(2); --> brokers = Collections.synchronizedCollection(new ArrayList(2));
> But not sure it's whose problem.
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[jira] Closed: (GERONIMO-3363) ArrayList thread safe problem in
OpenJPA
Posted by "Donald Woods (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/GERONIMO-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Donald Woods closed GERONIMO-3363.
----------------------------------
Resolution: Fixed
Fix Version/s: (was: 2.0.x)
2.1
2.0.2
Fixed in OpenJPA right after we cut our revision for 2.0/2.0.1 release.
By picking up the final 1.0.0 release, we will have the fix.
> ArrayList thread safe problem in OpenJPA
> ----------------------------------------
>
> Key: GERONIMO-3363
> URL: https://issues.apache.org/jira/browse/GERONIMO-3363
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: persistence
> Affects Versions: 2.0
> Reporter: YunFeng Ma
> Assignee: Donald Woods
> Fix For: 2.0.2, 2.1
>
>
> When running stress testing using DayTrader with JPA mode, got a lot of ArrayList thread safe problem.
> The thread safe problem happened in org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction, but this method has the following comments:
> // we don't need to synchronize on brokers or guard against multiple
> // threads using the same trans since one JTA transaction can never
> // be active on multiple concurrent threads.
> Collection brokers = (Collection) _transactional.get(trans);
> if (brokers == null) {
> brokers = new ArrayList(2);
> _transactional.put(trans, brokers);
> trans.registerSynchronization(new RemoveTransactionSync(trans));
> }
> brokers.add(broker);
> Does this mean that it's Geronimo which causes the thread safe problem?
> The exception stack:
> java.rmi.RemoteException: The bean encountered a non-application exception.; nested exception is:
> javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.openejb.core.transaction.TransactionPolicy.throwExceptionToServer(TransactionPolicy.java:211)
> at org.apache.openejb.core.transaction.TxRequired.handleSystemException(TxRequired.java:106)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:210)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getClosedOrders(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getClosedOrders(TradeAction.java:276)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:76)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by: javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:491)
> at sun.reflect.GeneratedMethodAccessor324.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> ... 24 more
> Caused by: <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createNamedQuery(CMPEntityManagerTxScoped.java:259)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:470)
> ... 31 more
> Caused by: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException
> at org.apache.openjpa.util.Exceptions.replaceNestedThrowables(Exceptions.java:242)
> at org.apache.openjpa.persistence.PersistenceException.writeObject(PersistenceException.java:100)
> at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:413)
> at java.lang.Throwable.writeObject(Throwable.java:320)
> at sun.reflect.GeneratedMethodAccessor341.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1434)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:324)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.copyObj(BaseEjbProxyHandler.java:491)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:237)
> ... 20 more
> 20:00:40,656 ERROR [OpenEJB] The bean instances business method encountered a system exception: null
> <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.find(CMPEntityManagerTxScoped.java:123)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getQuote(TradeJPA.java:201)
> at sun.reflect.GeneratedMethodAccessor330.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getQuote(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getQuote(TradeAction.java:328)
> at org.apache.geronimo.samples.daytrader.web.TradeServletAction.doPortfolio(TradeServletAction.java:518)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.performTask(TradeAppServlet.java:165)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.doGet(TradeAppServlet.java:77)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:91)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by:
> java.lang.ArrayIndexOutOfBoundsException
> at java.util.ArrayList.add(ArrayList.java:378)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:732)
> ... 47 more
> The problem can be easy fixed by changing the following line:
> brokers = new ArrayList(2); --> brokers = Collections.synchronizedCollection(new ArrayList(2));
> But not sure it's whose problem.
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[jira] Updated: (GERONIMO-3363) ArrayList thread safe problem in
OpenJPA
Posted by "Donald Woods (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/GERONIMO-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Donald Woods updated GERONIMO-3363:
-----------------------------------
Priority: Major (was: Blocker)
Patch Info: [Patch Available]
> ArrayList thread safe problem in OpenJPA
> ----------------------------------------
>
> Key: GERONIMO-3363
> URL: https://issues.apache.org/jira/browse/GERONIMO-3363
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: persistence
> Affects Versions: 2.0-M7
> Reporter: YunFeng Ma
> Fix For: 2.0.x
>
>
> When running stress testing using DayTrader with JPA mode, got a lot of ArrayList thread safe problem.
> The thread safe problem happened in org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction, but this method has the following comments:
> // we don't need to synchronize on brokers or guard against multiple
> // threads using the same trans since one JTA transaction can never
> // be active on multiple concurrent threads.
> Collection brokers = (Collection) _transactional.get(trans);
> if (brokers == null) {
> brokers = new ArrayList(2);
> _transactional.put(trans, brokers);
> trans.registerSynchronization(new RemoveTransactionSync(trans));
> }
> brokers.add(broker);
> Does this mean that it's Geronimo which causes the thread safe problem?
> The exception stack:
> java.rmi.RemoteException: The bean encountered a non-application exception.; nested exception is:
> javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.openejb.core.transaction.TransactionPolicy.throwExceptionToServer(TransactionPolicy.java:211)
> at org.apache.openejb.core.transaction.TxRequired.handleSystemException(TxRequired.java:106)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:210)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getClosedOrders(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getClosedOrders(TradeAction.java:276)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:76)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by: javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:491)
> at sun.reflect.GeneratedMethodAccessor324.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> ... 24 more
> Caused by: <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createNamedQuery(CMPEntityManagerTxScoped.java:259)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:470)
> ... 31 more
> Caused by: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException
> at org.apache.openjpa.util.Exceptions.replaceNestedThrowables(Exceptions.java:242)
> at org.apache.openjpa.persistence.PersistenceException.writeObject(PersistenceException.java:100)
> at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:413)
> at java.lang.Throwable.writeObject(Throwable.java:320)
> at sun.reflect.GeneratedMethodAccessor341.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1434)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:324)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.copyObj(BaseEjbProxyHandler.java:491)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:237)
> ... 20 more
> 20:00:40,656 ERROR [OpenEJB] The bean instances business method encountered a system exception: null
> <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.find(CMPEntityManagerTxScoped.java:123)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getQuote(TradeJPA.java:201)
> at sun.reflect.GeneratedMethodAccessor330.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getQuote(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getQuote(TradeAction.java:328)
> at org.apache.geronimo.samples.daytrader.web.TradeServletAction.doPortfolio(TradeServletAction.java:518)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.performTask(TradeAppServlet.java:165)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.doGet(TradeAppServlet.java:77)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:91)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by:
> java.lang.ArrayIndexOutOfBoundsException
> at java.util.ArrayList.add(ArrayList.java:378)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:732)
> ... 47 more
> The problem can be easy fixed by changing the following line:
> brokers = new ArrayList(2); --> brokers = Collections.synchronizedCollection(new ArrayList(2));
> But not sure it's whose problem.
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[jira] Updated: (GERONIMO-3363) ArrayList thread safe problem in
OpenJPA
Posted by "Donald Woods (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/GERONIMO-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Donald Woods updated GERONIMO-3363:
-----------------------------------
Affects Version/s: (was: 2.0-M7)
2.0
> ArrayList thread safe problem in OpenJPA
> ----------------------------------------
>
> Key: GERONIMO-3363
> URL: https://issues.apache.org/jira/browse/GERONIMO-3363
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: persistence
> Affects Versions: 2.0
> Reporter: YunFeng Ma
> Assignee: Donald Woods
> Fix For: 2.0.x
>
>
> When running stress testing using DayTrader with JPA mode, got a lot of ArrayList thread safe problem.
> The thread safe problem happened in org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction, but this method has the following comments:
> // we don't need to synchronize on brokers or guard against multiple
> // threads using the same trans since one JTA transaction can never
> // be active on multiple concurrent threads.
> Collection brokers = (Collection) _transactional.get(trans);
> if (brokers == null) {
> brokers = new ArrayList(2);
> _transactional.put(trans, brokers);
> trans.registerSynchronization(new RemoveTransactionSync(trans));
> }
> brokers.add(broker);
> Does this mean that it's Geronimo which causes the thread safe problem?
> The exception stack:
> java.rmi.RemoteException: The bean encountered a non-application exception.; nested exception is:
> javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.openejb.core.transaction.TransactionPolicy.throwExceptionToServer(TransactionPolicy.java:211)
> at org.apache.openejb.core.transaction.TxRequired.handleSystemException(TxRequired.java:106)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:210)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getClosedOrders(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getClosedOrders(TradeAction.java:276)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:76)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by: javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:491)
> at sun.reflect.GeneratedMethodAccessor324.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> ... 24 more
> Caused by: <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createNamedQuery(CMPEntityManagerTxScoped.java:259)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:470)
> ... 31 more
> Caused by: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException
> at org.apache.openjpa.util.Exceptions.replaceNestedThrowables(Exceptions.java:242)
> at org.apache.openjpa.persistence.PersistenceException.writeObject(PersistenceException.java:100)
> at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:413)
> at java.lang.Throwable.writeObject(Throwable.java:320)
> at sun.reflect.GeneratedMethodAccessor341.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1434)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:324)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.copyObj(BaseEjbProxyHandler.java:491)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:237)
> ... 20 more
> 20:00:40,656 ERROR [OpenEJB] The bean instances business method encountered a system exception: null
> <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.find(CMPEntityManagerTxScoped.java:123)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getQuote(TradeJPA.java:201)
> at sun.reflect.GeneratedMethodAccessor330.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getQuote(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getQuote(TradeAction.java:328)
> at org.apache.geronimo.samples.daytrader.web.TradeServletAction.doPortfolio(TradeServletAction.java:518)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.performTask(TradeAppServlet.java:165)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.doGet(TradeAppServlet.java:77)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:91)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by:
> java.lang.ArrayIndexOutOfBoundsException
> at java.util.ArrayList.add(ArrayList.java:378)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:732)
> ... 47 more
> The problem can be easy fixed by changing the following line:
> brokers = new ArrayList(2); --> brokers = Collections.synchronizedCollection(new ArrayList(2));
> But not sure it's whose problem.
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[jira] Updated: (GERONIMO-3363) ArrayList thread safe problem in
OpenJPA
Posted by "Prasad Kashyap (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/GERONIMO-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasad Kashyap updated GERONIMO-3363:
-------------------------------------
Fix Version/s: (was: 2.0)
2.0.x
> ArrayList thread safe problem in OpenJPA
> ----------------------------------------
>
> Key: GERONIMO-3363
> URL: https://issues.apache.org/jira/browse/GERONIMO-3363
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: persistence
> Affects Versions: 2.0-M7
> Reporter: YunFeng Ma
> Priority: Blocker
> Fix For: 2.0.x
>
>
> When running stress testing using DayTrader with JPA mode, got a lot of ArrayList thread safe problem.
> The thread safe problem happened in org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction, but this method has the following comments:
> // we don't need to synchronize on brokers or guard against multiple
> // threads using the same trans since one JTA transaction can never
> // be active on multiple concurrent threads.
> Collection brokers = (Collection) _transactional.get(trans);
> if (brokers == null) {
> brokers = new ArrayList(2);
> _transactional.put(trans, brokers);
> trans.registerSynchronization(new RemoveTransactionSync(trans));
> }
> brokers.add(broker);
> Does this mean that it's Geronimo which causes the thread safe problem?
> The exception stack:
> java.rmi.RemoteException: The bean encountered a non-application exception.; nested exception is:
> javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.openejb.core.transaction.TransactionPolicy.throwExceptionToServer(TransactionPolicy.java:211)
> at org.apache.openejb.core.transaction.TxRequired.handleSystemException(TxRequired.java:106)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:210)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getClosedOrders(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getClosedOrders(TradeAction.java:276)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:76)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by: javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:491)
> at sun.reflect.GeneratedMethodAccessor324.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> ... 24 more
> Caused by: <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createNamedQuery(CMPEntityManagerTxScoped.java:259)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:470)
> ... 31 more
> Caused by: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException
> at org.apache.openjpa.util.Exceptions.replaceNestedThrowables(Exceptions.java:242)
> at org.apache.openjpa.persistence.PersistenceException.writeObject(PersistenceException.java:100)
> at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:413)
> at java.lang.Throwable.writeObject(Throwable.java:320)
> at sun.reflect.GeneratedMethodAccessor341.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1434)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:324)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.copyObj(BaseEjbProxyHandler.java:491)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:237)
> ... 20 more
> 20:00:40,656 ERROR [OpenEJB] The bean instances business method encountered a system exception: null
> <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.find(CMPEntityManagerTxScoped.java:123)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getQuote(TradeJPA.java:201)
> at sun.reflect.GeneratedMethodAccessor330.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getQuote(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getQuote(TradeAction.java:328)
> at org.apache.geronimo.samples.daytrader.web.TradeServletAction.doPortfolio(TradeServletAction.java:518)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.performTask(TradeAppServlet.java:165)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.doGet(TradeAppServlet.java:77)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:91)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by:
> java.lang.ArrayIndexOutOfBoundsException
> at java.util.ArrayList.add(ArrayList.java:378)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:732)
> ... 47 more
> The problem can be easy fixed by changing the following line:
> brokers = new ArrayList(2); --> brokers = Collections.synchronizedCollection(new ArrayList(2));
> But not sure it's whose problem.
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[jira] Assigned: (GERONIMO-3363) ArrayList thread safe problem in
OpenJPA
Posted by "Donald Woods (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/GERONIMO-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Donald Woods reassigned GERONIMO-3363:
--------------------------------------
Assignee: Donald Woods
> ArrayList thread safe problem in OpenJPA
> ----------------------------------------
>
> Key: GERONIMO-3363
> URL: https://issues.apache.org/jira/browse/GERONIMO-3363
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: persistence
> Affects Versions: 2.0
> Reporter: YunFeng Ma
> Assignee: Donald Woods
> Fix For: 2.0.x
>
>
> When running stress testing using DayTrader with JPA mode, got a lot of ArrayList thread safe problem.
> The thread safe problem happened in org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction, but this method has the following comments:
> // we don't need to synchronize on brokers or guard against multiple
> // threads using the same trans since one JTA transaction can never
> // be active on multiple concurrent threads.
> Collection brokers = (Collection) _transactional.get(trans);
> if (brokers == null) {
> brokers = new ArrayList(2);
> _transactional.put(trans, brokers);
> trans.registerSynchronization(new RemoveTransactionSync(trans));
> }
> brokers.add(broker);
> Does this mean that it's Geronimo which causes the thread safe problem?
> The exception stack:
> java.rmi.RemoteException: The bean encountered a non-application exception.; nested exception is:
> javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.openejb.core.transaction.TransactionPolicy.throwExceptionToServer(TransactionPolicy.java:211)
> at org.apache.openejb.core.transaction.TxRequired.handleSystemException(TxRequired.java:106)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:210)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getClosedOrders(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getClosedOrders(TradeAction.java:276)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:76)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by: javax.ejb.EJBException: TradeBean.getClosedOrders - error
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:491)
> at sun.reflect.GeneratedMethodAccessor324.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> ... 24 more
> Caused by: <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createNamedQuery(CMPEntityManagerTxScoped.java:259)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getClosedOrders(TradeJPA.java:470)
> ... 31 more
> Caused by: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException
> at org.apache.openjpa.util.Exceptions.replaceNestedThrowables(Exceptions.java:242)
> at org.apache.openjpa.persistence.PersistenceException.writeObject(PersistenceException.java:100)
> at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:413)
> at java.lang.Throwable.writeObject(Throwable.java:320)
> at sun.reflect.GeneratedMethodAccessor341.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:972)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1426)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1462)
> at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1434)
> at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1377)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:324)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.copyObj(BaseEjbProxyHandler.java:491)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:237)
> ... 20 more
> 20:00:40,656 ERROR [OpenEJB] The bean instances business method encountered a system exception: null
> <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:738)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:305)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:186)
> at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:190
> )
> at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.createEntityManager(CMPEntityManagerTxScoped.java:74
> )
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.getEntityManager(CMPEntityManagerTxScoped.java:55)
> at org.apache.geronimo.persistence.CMPEntityManagerTxScoped.find(CMPEntityManagerTxScoped.java:123)
> at org.apache.geronimo.samples.daytrader.TradeJPA.getQuote(TradeJPA.java:201)
> at sun.reflect.GeneratedMethodAccessor330.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:615)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext
> .java:146)
> at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
> at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
> at org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
> at org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:211)
> at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:65)
> at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:232)
> at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
> at $Proxy109.getQuote(Unknown Source)
> at org.apache.geronimo.samples.daytrader.TradeAction.getQuote(TradeAction.java:328)
> at org.apache.geronimo.samples.daytrader.web.TradeServletAction.doPortfolio(TradeServletAction.java:518)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.performTask(TradeAppServlet.java:165)
> at org.apache.geronimo.samples.daytrader.web.TradeAppServlet.doGet(TradeAppServlet.java:77)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter(OrdersAlertFilter.java:91)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:351)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:801)
> Caused by:
> java.lang.ArrayIndexOutOfBoundsException
> at java.util.ArrayList.add(ArrayList.java:378)
> at org.apache.openjpa.kernel.AbstractBrokerFactory.syncWithManagedTransaction(AbstractBrokerFactory.java:732)
> ... 47 more
> The problem can be easy fixed by changing the following line:
> brokers = new ArrayList(2); --> brokers = Collections.synchronizedCollection(new ArrayList(2));
> But not sure it's whose problem.
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