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Bug
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Resolution: Done
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Major
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5.1.5.FINAL
When the coordinator receives a CacheViewControlCommand(REQUEST_JOIN) command from a node that's already a member of the cache, it should just ignore it. Currently it tries to install a new cache view with a duplicate member, and the new cache view installation fails with this error:
[13:37:08,442] [WARN] (CacheViewControlCommand.java:141) - ISPN000071: Caught exception when handling command CacheViewControlCommand{cache=Demo, type=PREPARE_VIEW, sender=ppl-poz-nb0074/testy, newViewId=2, newMembers=[PPL-POZ-NB0074-33316, PPL-POZ-NB0074-33316], oldViewId=1, oldMembers=[PPL-POZ-NB0074-33316]}
java.lang.IllegalStateException: Cannot prepare new view CacheView{viewId=2, members=[PPL-POZ-NB0074-33316, PPL-POZ-NB0074-33316]} on cache Demo, we are currently preparing view CacheView{viewId=2, members=[PPL-POZ-NB0074-33316, PPL-POZ-NB0074-33316]}
at org.infinispan.cacheviews.CacheViewInfo.prepareView(CacheViewInfo.java:102)
at org.infinispan.cacheviews.CacheViewsManagerImpl.handlePrepareView(CacheViewsManagerImpl.java:481)
at org.infinispan.commands.control.CacheViewControlCommand.perform(CacheViewControlCommand.java:126)