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https://issues.apache.org/jira/browse/OFBIZ-4289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400817#comment-13400817
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Jacques Le Roux commented on OFBIZ-4289:
----------------------------------------
Sure I will wait maybe more, no hurry there.
Ha, I did not check deeper on XMLSerializable, but then why do we get error
like I posted above, ie:
{quote}
2012-06-12 10:35:29,921 (OFBiz_Shutdown_Hook) [ StandardSession.java:1567:WARN
] Cannot serialize session attribute LAST_VIEW_PARAMS for session
00C48D0D76821C98403482FAE8B77C24.jvm1
java.io.NotSerializableException: net.sf.json.JSONObject
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1164)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
at javolution.util.FastMap.writeObject(FastMap.java:1513)
{quote}
This is resolved with HashMap, weird then isn'it?
> Login out on a cluster handled by DeltaManager causes a NPE
> -----------------------------------------------------------
>
> Key: OFBIZ-4289
> URL: https://issues.apache.org/jira/browse/OFBIZ-4289
> Project: OFBiz
> Issue Type: Bug
> Components: framework
> Affects Versions: Release Branch 4.0, Release Branch 09.04, Release Branch
> 10.04, Release Branch 11.04, SVN trunk
> Environment: Ubuntu
> Reporter: Jacques Le Roux
> Assignee: Jacques Le Roux
> Priority: Critical
> Labels: cluster, logout
> Fix For: Release Branch 10.04, Release Branch 11.04, SVN trunk
>
> Attachments: OFBIZ-4289_Login_out_on_a
> cluster_handled_by_DeltaManager_causes_a_NPE.patch, OFBIZ-4289_Login_out_on_a
> cluster_handled_by_DeltaManager_causes_a_NPE.patch, OFBIZ-4289_Login_out_on_a
> cluster_handled_by_DeltaManager_causes_a_NPE.patch, OFBIZ-4289_Login_out_on_a
> cluster_handled_by_DeltaManager_causes_a_NPE.patch, OFBIZ-4289_Login_out_on_a
> cluster_handled_by_DeltaManager_causes_a_NPE.patch, OFBIZ-4289_Login_out_on_a
> cluster_handled_by_DeltaManager_causes_a_NPE.patch, OFBIZ-4289_Login_out_on_a
> cluster_handled_by_DeltaManager_causes_a_NPE.patch, OFBIZ-4289_Login_out_on_a
> cluster_handled_by_DeltaManager_causes_a_NPE.patch, OFBIZ-4289_Login_out_on_a
> cluster_handled_by_DeltaManager_causes_a_NPE.patch, changeset_2510.diff,
> ofbiz.log
>
>
> It works locally but not on clusters. You simply get a NPE.
> h3. Problem
> * When we logout we cross an issue due to Tomcat sessions persistence.
> * Because we set distributable to true, to allow sessions failover,
> * and use and DeltaManager for replication.
> * Delegator and other main Classes (notably Dispatcher) are not
> serialized in OFBiz. This is the origin of the problem
> h3. Tried solutions
> By default DeltaManager save active sessions on disk. It uses a private
> String variable pathname for that (default to "SESSIONS.ser"). You can set it
> to null, to avoid session persistence, using a context.xml file in the
> WEB-INF folder with content like below. But I tried it in webtools app on
> staging qs001 (only) and it did not work (with distributable set to false).
> And we have no other means to set it from OFBiz (OOTB).
> {code}
> <Context>
> <Manager className="org.apache.catalina.session.DeltatManager"
> pathname="">
> </Manager>
> </Context>
> {code}
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