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  1. Application Server 7
  2. AS7-2463

Session replication broken: joining or removing node purges existing sessions

        Details

        • Type: Bug
        • Status: Closed (View Workflow)
        • Priority: Blocker
        • Resolution: Done
        • Affects Version/s: No Release
        • Fix Version/s: 7.1.0.CR1
        • Component/s: Clustering
        • Labels:
          None
        • Environment:
          latest snapshot

          Description

          Session replication is broken. Joining or removing node seems to purge all existing sessions

          Simple test case,

          1. start 2 nodes in cluster
          2. create session on 1 node
          3. shutdown 2nd cluster node
          4. session is lost ;-(

          BLocks testing.

            Gliffy Diagrams

              Issue Links

              blocks

              Task - A task that needs to be done. JBPAPP6-210 Tracker JIRA for EAP6 Alpha2 issues

              • Blocker - An issue (bug, feature, task) that blocks development and/or testing work, production could not run. An upcoming version that is affected by this issue cannot be released until it's addressed.
              • Closed
              relates to

              Bug - A problem which impairs or prevents the functions of the product. AS7-2912 Clustered applications fail to redeploy back into cluster after a node failure with CacheException: Unable to unmarshall value/CNF

              • Critical - An upcoming version that is affected by this issue cannot be released until it's addressed. A critical bug is one that crashes the application, causes loss of data or severe memory leak.
              • Resolved

                Activity

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                rhusar Radoslav Husar added a comment -

                And probably because of this the session stickiness does not work (at all).

                Show
                rhusar Radoslav Husar added a comment - And probably because of this the session stickiness does not work (at all).
                Hide
                Permalink
                pferraro Paul Ferraro added a comment -

                Ah, found the issue: ISPN-1583
                I'll submit a pull request for a workaround shortly.

                Show
                pferraro Paul Ferraro added a comment - Ah, found the issue: ISPN-1583 I'll submit a pull request for a workaround shortly.
                Hide
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                pferraro Paul Ferraro added a comment -

                To elaborate ISPN-1583 prevents flags from being applied to a cache operation, such that commands like:
                cache.getAdvancedCache().withFlags(Flag.CACHE_MODE_LOCAL).clear();
                end up clearing the whole cache instead of just the local node.
                Consequently, when we attempt to purge the sessions from the local cache on undeploy, the whole cache gets emptied.

                Show
                pferraro Paul Ferraro added a comment - To elaborate ISPN-1583 prevents flags from being applied to a cache operation, such that commands like: cache.getAdvancedCache().withFlags(Flag.CACHE_MODE_LOCAL).clear(); end up clearing the whole cache instead of just the local node. Consequently, when we attempt to purge the sessions from the local cache on undeploy, the whole cache gets emptied.
                Hide
                Permalink
                rhusar Radoslav Husar added a comment -

                Looks like workaround for this introduced AS7-2912.

                Show
                rhusar Radoslav Husar added a comment - Looks like workaround for this introduced AS7-2912 .

                  People

                  • Assignee:
                    pferraro Paul Ferraro
                    Reporter:
                    rhusar Radoslav Husar
                  • Votes:
                    1 Vote for this issue
                    Watchers:
                    7 Start watching this issue

                    Dates

                    • Created:
                      Updated:
                      Resolved:

                      Development