[jbossts-issues] [JBoss JIRA] Closed: (JBTM-348) decouple TransactionStatusManager from SocketProcessId

Michael Musgrove (JIRA) jira-events at lists.jboss.org
Mon Apr 7 10:02:22 EDT 2008

     [ http://jira.jboss.com/jira/browse/JBTM-348?page=all ]

Michael Musgrove closed JBTM-348.

> decouple TransactionStatusManager from SocketProcessId
> ------------------------------------------------------
>                 Key: JBTM-348
>                 URL: http://jira.jboss.com/jira/browse/JBTM-348
>             Project: JBoss Transaction Manager
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: Recovery
>    Affects Versions: 4.3.0.GA
>            Reporter: Jonathan Halliday
>         Assigned To: Michael Musgrove
>             Fix For: 4.4.CR1
> The TransactionStatusManager resuses the ServerSocket opened by SocketProcessId, in an effort to reduce the overall number of ports in use by the system. SocketProcessId needs the socket only to guarantee it's uniq, it does not actually move traffic over it.  TransactionStatusManager uses it to handle queries regarding the status of in-flight transactions.
> The problems start when the box has multiple IP addresses.  SocketProcessId must bind on a fixed IP (probably common to all JBossTS instances on the machine, in order that the port number remains uniq across all running JVMs.  The TransactionStatusManager however must bind on a user specified IP in order that multiple instances may run on the same machine without interference.
> Thus it is not appropriate for TransactionStatusManager to reuse the SocketProcessId's ServerSocket. Decouple these, such that TransactionStatusManager reads its config properties and opens a ServerSocket directly, whilst SocketProcessId reads a different config property for its port number rather than reusing the TSM's config property.

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