[jboss-jira] [JBoss JIRA] Created: (JGRP-637) Reincarnation reloaded: prevent port number reuse through persistence

[Bela Ban (JIRA)]

Reincarnation reloaded: prevent port number reuse through persistence
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                 Key: JGRP-637
                 URL: http://jira.jboss.com/jira/browse/JGRP-637
             Project: JGroups
          Issue Type: Feature Request
            Reporter: Bela Ban
         Assigned To: Bela Ban
             Fix For: 2.7


If bind_port (UDP) or start_port (TCP) is used, restarted members might reuse the same port, therefore one could run into reincarnation issues.
Solution: if enabled, we maintain a file in the temp dir (shared by all instances on the same host), into which we write ports chosen. When a new socket is created, we read the file, weed out expired ports and pick the next port. Then we write that back to the file and close the file again.


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