[jboss-jira] [JBoss JIRA] Commented: (JBAS-7745) Pb during http session replication : "Problem accessing session data : class java.lang.IllegalStateException metadata is null"

Thursday, 11 March 2010

    [
https://jira.jboss.org/jira/browse/JBAS-7745?page=com.atlassian.jira.plug...
] 

Brian Stansberry commented on JBAS-7745:
----------------------------------------

You didn't answer my question: what Tomcat servlet examples? Please provide a link; I
don't want to guess. :-) We have unit tests that test this kind of thing, so I want to
see exactly what you are using.

Can you try this w/ AS 6.0.0.M2? There have been some changes in JBoss Cache and in the
session manager integration with JBC since 5.1.0, some related to session metadata not
being available. Although those were related to buddy replication, which it doesn't
sound like you're using. Plus your description shows the failure happening on the 2nd
request to the second cluster node, so it's not simple failover handling.

...
 Pb during http session replication : "Problem accessing session
data : class java.lang.IllegalStateException metadata is null"

------------------------------------------------------------------------------------------------------------------------------

                 Key: JBAS-7745
                 URL: https://jira.jboss.org/jira/browse/JBAS-7745
             Project: JBoss Application Server
          Issue Type: Bug
      Security Level: Public(Everyone can see) 
          Components: Clustering, Web (Tomcat) service
    Affects Versions: JBossAS-5.1.0.GA
         Environment: Linux fepapp-ren-l76 2.6.18-128.1.14.el5 #1 SMP Mon Jun 1 15:52:58
EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
 Red Hat Enterprise Linux Server release 5.3 (Tikanga) 64 bits
 JBoss 5.1.0 GA / jdk1.6.0_17 + apache 2.2.14 + mod_jk 1.2.28
            Reporter: Eric Savidan
            Assignee: Brian Stansberry

 I have a basic JBoss cluster with two nodes that are running on a single server.
 Both nodes are up and OK :
 - node 1 : 
 17:22:29,564 INFO  [RPCManagerImpl] Received new cluster view: [172.30.4.76:30577|1]
[172.30.4.76:30577, 172.30.4.76:29898]
 17:22:29,572 INFO  [LegacyStateTransferIntegrator] Using version 4096
 17:22:29,591 INFO  [RPCManagerImpl] Cache local address is 172.30.4.76:29898
 17:22:29,591 INFO  [RPCManagerImpl] state was retrieved successfully (in 176
milliseconds)
 17:22:29,613 INFO  [ComponentRegistry] JBoss Cache version: JBossCache 'Cascabel'
3.1.0.GA
 17:22:29,680 INFO  [Http11Protocol] Starting Coyote HTTP/1.1 on http-172.30.4.76-8080
 17:22:29,767 INFO  [AjpProtocol] Starting Coyote AJP/1.3 on ajp-172.30.4.76-8009
 17:22:29,791 INFO  [ServerImpl] JBoss (Microcontainer) [5.1.0.GA (build:
SVNTag=JBoss_5_1_0_GA date=200905221634)] Started in 1m:20s:161ms
 - node 2 : 
 17:22:27,152 INFO  [RPCManagerImpl] Received new cluster view: [172.30.4.76:30577|0]
[172.30.4.76:30577]
 17:22:27,153 INFO  [RPCManagerImpl] Cache local address is 172.30.4.76:30577
 17:22:27,159 INFO  [RPCManagerImpl] state was retrieved successfully (in 2.02 seconds)
 17:22:27,184 INFO  [ComponentRegistry] JBoss Cache version: JBossCache 'Cascabel'
3.1.0.GA
 17:22:27,250 INFO  [Http11Protocol] Starting Coyote HTTP/1.1 on http-172.30.4.76-8180
 17:22:27,293 INFO  [AjpProtocol] Starting Coyote AJP/1.3 on ajp-172.30.4.76-8109
 17:22:27,314 INFO  [ServerImpl] JBoss (Microcontainer) [5.1.0.GA (build:
SVNTag=JBoss_5_1_0_GA date=200905221634)] Started in 1m:23s:438ms
 17:22:29,560 INFO  [RPCManagerImpl] Received new cluster view: [172.30.4.76:30577|1]
[172.30.4.76:30577, 172.30.4.76:29898]
 I've deployed tomcat servlet examples and I'm using in particular "Session
example" servlet to test http replication 
 I'm adding attributes in the session that is managed on a node : OK
 17:31:04,168 INFO  [[/TomcatServletExamples]] SessionListener:
sessionCreated('ghh7gRljrScVi+rGT-T-LQ__.ESAJBOSS3_jboss_172.30.4.76_1')
 17:31:13,629 INFO  [[/TomcatServletExamples]] SessionListener:
attributeAdded('ghh7gRljrScVi+rGT-T-LQ__.ESAJBOSS3_jboss_172.30.4.76_1',
'aa', 'aa')
 17:31:16,963 INFO  [[/TomcatServletExamples]] SessionListener:
attributeAdded('ghh7gRljrScVi+rGT-T-LQ__.ESAJBOSS3_jboss_172.30.4.76_1',
'bb', 'bb')
 I stop this node : OK
 17:31:36,952 INFO  [GroupMember]
org.jboss.messaging.core.impl.postoffice.GroupMember$ControlMembershipListener@35b83ac6
got new view [172.30.4.76:10321|2] [172.30.4.76:55196], old view is [172.30.4.76:10321|1]
[172.30.4.76:10321, 172.30.4.76:55196]
 17:31:36,953 INFO  [GroupMember] I am (172.30.4.76:55196)
 17:31:36,954 WARN  [NAKACK] 172.30.4.76:55196] discarded message from non-member
172.30.4.76:10321, my view is [172.30.4.76:10321|2] [172.30.4.76:55196]
 17:31:36,966 INFO  [GroupMember] Dead members: 1 ([172.30.4.76:10321])
 17:31:36,966 INFO  [GroupMember] All Members : 1 ([172.30.4.76:55196])
 17:31:38,156 INFO  [RPCManagerImpl] Received new cluster view: [172.30.4.76:10321|2]
[172.30.4.76:55196]
 17:31:38,156 WARN  [NAKACK] 172.30.4.76:55196] discarded message from non-member
172.30.4.76:10321, my view is [172.30.4.76:10321|2] [172.30.4.76:55196]
 17:31:38,205 WARN  [NAKACK] 172.30.4.76:55196] discarded message from non-member
172.30.4.76:10321, my view is [172.30.4.76:10321|2] [172.30.4.76:55196]
 17:31:38,206 INFO  [DocsPartition] New cluster view for partition DocsPartition (id: 2,
delta: -1) : [172.30.4.76:1199]
 17:31:38,211 INFO  [DocsPartition] I am (172.30.4.76:1199) received membershipChanged
event:
 17:31:38,212 INFO  [DocsPartition] Dead members: 1 ([172.30.4.76:1099])
 17:31:38,212 INFO  [DocsPartition] New Members : 0 ([])
 17:31:38,212 INFO  [DocsPartition] All Members : 1 ([172.30.4.76:1199])
 I'm adding a new attribute : OK (request is served by second node of the cluster) :
 17:32:20,789 INFO  [[/TomcatServletExamples]] SessionListener:
attributeAdded('ghh7gRljrScVi+rGT-T-LQ__.ESAJBOSS4_jboss_172.30.4.76_1',
'cc', 'cc')
 I'm adding a new attribute : KO
 17:33:09,053 WARN  [SessionBasedJBossCacheService] Problem accessing session data : class
java.lang.IllegalStateException metadata is null
 17:33:09,071 INFO  [[/TomcatServletExamples]] SessionListener:
sessionCreated('RVmtXKGKvGGWuGjXKxoXNw__.ESAJBOSS4_jboss_172.30.4.76_1')
 17:33:09,078 INFO  [[/TomcatServletExamples]] SessionListener:
attributeAdded('RVmtXKGKvGGWuGjXKxoXNw__.ESAJBOSS4_jboss_172.30.4.76_1',
'dd', 'dd')
 => A new session is created and old values stored in the first session are lost
 Do you think it's a bug or did I make a mistake somewhere ? 
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[jboss-jira] [JBoss JIRA] Commented: (JBAS-7745) Pb during http session replication : "Problem accessing session data : class java.lang.IllegalStateException metadata is null"