[jboss-jira] [JBoss JIRA] Commented: (JBREM-649) Concurrent exceptions on Lease when connecting/disconnecting new Clients

Concurrent exceptions on Lease when connecting/disconnecting new Clients ------------------------------------------------------------------------ Key: JBREM-649 URL: http://jira.jboss.com/jira/browse/JBREM-649 Project: JBoss Remoting Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 2.2.0.Alpha3 (Bluto) Reporter: Clebert Suconic Assigned To: Tom Elrod Priority: Blocker It looks like also there is a possibility of Server hang on these situations: On the exception bellow, a HashMap was changed while being iterated inside serialization. java.lang.reflect.InvocationTargetException at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120) at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86) at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276) at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206) at org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:274) at java.util.HashMap.writeObject(HashMap.java:986) at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120) at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86) at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276) at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206) at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182) at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90) at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276) at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206) at org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java:181) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:274) at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.sendObject(JavaSerializationManager.java:86) at org.jboss.remoting.marshal.serializable.SerializableMarshaller.write(SerializableMarshaller.java:84) at org.jboss.jms.server.remoting.JMSWireFormat.write(JMSWireFormat.java:310) at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.versionedWrite(MicroSocketClientInvoker.java:518) at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.transport(MicroSocketClientInvoker.java:340) at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:125) at org.jboss.remoting.LeasePinger.sendClientPing(LeasePinger.java:97) at org.jboss.remoting.LeasePinger$LeaseTimerTask.run(LeasePinger.java:216) at java.util.TimerThread.mainLoop(Timer.java:432) at java.util.TimerThread.run(Timer.java:382) Caused by: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:782) at java.util.HashMap$EntryIterator.next(HashMap.java:824) at java.util.HashMap.writeObject(HashMap.java:984) ... 36 more