If I run a jython (python in a java interpreter - useful for testing!)
connecting to the jboss server, I get the "Unable to passivate" message as soon as I call handle.getEJBObject() from the remote client, and the passivation thread runs.
The jboss management console just shows the statefulSessionInstanceCache for the stateful bean growing larger and larger as more instances of the stateful bean are created.
The pool management works fine, however.
Russ
Russell Chan wrote:
Hi,
I've been wrestling with this problem for a little while.
Environment: JBoss 3.2.3, Sun JDK 1.4.2_01 on linux (debian)
I have a stateful bean which appears to work fine for the most part.
I can generally do some operations on it, within a transaction, and then remove the bean. I've set the passivation time very low (20 secs) as well as the expiry times on the bean as below:
<remover-period>10</remover-period> <overager-period>10</overager-period> <max-bean-life>60</max-bean-life> <max-bean-age>20</max-bean-age>
I've found one case however, where this can cause a problem. If I get a handle from the stateful bean, in order to use it ( possibly to put in an HTTPSession, or someother) that works fine.
Restoring the bean (and possibly activating it) from the container also works fine. HOWEVER, I have found that if the remote stub does that, OUTSIDE of a transaction context, there is a ref lock left on the stateful session bean, and from there it won't passivate properly - is this proper behaviour?? (BTW, I haven't yet tried this within a UserTransaction).
Lots of warning like this:
15:20:32,559 WARN [AbstractInstanceCache] Unable to passivate due to ctx lock, id=dpsp9lca-7
15:20:52,597 WARN [AbstractInstanceCache] Unable to passivate due to ctx lock, id=dpsp9lca-7
15:21:12,639 WARN [AbstractInstanceCache] Unable to passivate due to ctx lock, id=dpsp9lca-7
There's some more detail in the snippet of log attached.
------------------------------------------------------------------------
2004-01-23 15:20:06,567 DEBUG [org.jboss.ejb.plugins.LogInterceptor] InvokeHome: getEJBObject(dpsp9lca-7)
2004-01-23 15:20:06,567 TRACE [org.jboss.ejb.plugins.TxInterceptorCMT] Current transaction in MI is null
2004-01-23 15:20:06,567 TRACE [org.jboss.ejb.plugins.TxInterceptorCMT] TX_REQUIRED for getEJBObject
2004-01-23 15:20:06,567 TRACE [org.jboss.ejb.plugins.TxInterceptorCMT] Thread came in with tx null
2004-01-23 15:20:06,567 TRACE [org.jboss.ejb.plugins.TxInterceptorCMT] Starting new tx TransactionImpl:XidImpl [FormatId=257, GlobalId=blade//41, BranchQual=]
2004-01-23 15:20:06,567 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] HOMEMETHOD coming in 2004-01-23 15:20:06,567 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] public abstract javax.ejb.EJBObject javax.ejb.Handle.getEJBObject() throws java.rmi.RemoteException
2004-01-23 15:20:06,567 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] HOMEMETHOD coming in hashcode1665852439
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] HOMEMETHOD coming in classloader12546448
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] CONTAINS true
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] HOMEMETHOD m public javax.ejb.EJBObject org.jboss.ejb.StatefulSessionContainer.getEJBObject(org.jboss.invocation.Invocation) throws java.rmi.RemoteException
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] public abstract test.TestSFSB test.TestSFSBHome.create(java.lang.Integer) throws javax.ejb.CreateException,java.rmi.RemoteException
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] -1419501933
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] 4521906
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] equals false false
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] public abstract test.TestSFSBLocal test.TestSFSBLocalHome.create(java.lang.Integer) throws javax.ejb.CreateException
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] 625404838
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] 4521906
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.StatefulSessionContainer$ContainerInterceptor] equals false false
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.BeanLockManager] Created lock: [EMAIL PROTECTED], bean=TestSFSB, id=dpsp9lca-7, refs=0, tx=null, synched=null, timeout=5000, queue=[]
2004-01-23 15:20:06,568 TRACE [org.jboss.ejb.BeanLockManager] Added ref to lock: [EMAIL PROTECTED], bean=TestSFSB, id=dpsp9lca-7, refs=1, tx=null, synched=null, timeout=5000, queue=[]
2004-01-23 15:20:06,569 TRACE [org.jboss.ejb.plugins.TxInterceptorCMT] TxInterceptorCMT: In finally
2004-01-23 15:20:06,569 TRACE [org.jboss.ejb.plugins.LogInterceptor] End method=getEJBObject
2004-01-23 15:20:32,559 TRACE [org.jboss.ejb.BeanLockManager] Added ref to lock: [EMAIL PROTECTED], bean=TestSFSB, id=dpsp9lca-7, refs=2, tx=null, synched=null, timeout=5000, queue=[]
2004-01-23 15:20:32,559 WARN [org.jboss.ejb.plugins.AbstractInstanceCache] Unable to passivate due to ctx lock, id=dpsp9lca-7
2004-01-23 15:20:32,559 TRACE [org.jboss.ejb.BeanLockManager] Remove ref lock:[EMAIL PROTECTED], bean=TestSFSB, id=dpsp9lca-7, refs=1, tx=null, synched=null, timeout=5000, queue=[]
2004-01-23 15:20:52,597 TRACE [org.jboss.ejb.BeanLockManager] Added ref to lock: [EMAIL PROTECTED], bean=TestSFSB, id=dpsp9lca-7, refs=2, tx=null, synched=null, timeout=5000, queue=[]
2004-01-23 15:20:52,597 WARN [org.jboss.ejb.plugins.AbstractInstanceCache] Unable to passivate due to ctx lock, id=dpsp9lca-7
2004-01-23 15:20:52,597 TRACE [org.jboss.ejb.BeanLockManager] Remove ref lock:[EMAIL PROTECTED], bean=TestSFSB, id=dpsp9lca-7, refs=1, tx=null, synched=null, timeout=5000, queue=[]
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