[jbossts-issues] [JBoss JIRA] (JBTM-3257) On recovery scan the NullPointerException can be thrown when client side exits prior DONE is delivered from server

[Ondrej Chaloupka (Jira)]

     [ https://issues.redhat.com/browse/JBTM-3257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ondrej Chaloupka updated JBTM-3257:
-----------------------------------
           Status: Resolved  (was: Pull Request Sent)
    Fix Version/s: 5.next
       Resolution: Done


> On recovery scan the NullPointerException can be thrown when client side exits prior DONE is delivered from server
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBTM-3257
>                 URL: https://issues.redhat.com/browse/JBTM-3257
>             Project: JBoss Transaction Manager
>          Issue Type: Bug
>          Components: Recovery
>    Affects Versions: 5.10.3.Final
>            Reporter: Ondrej Chaloupka
>            Assignee: Ondrej Chaloupka
>            Priority: Minor
>             Fix For: 5.next
>
>
> When triggering recovery on recovery listener it could happen the client side starts sending but does not finish with a new line. For the recovery socket reader it's as there was called no {{flush}} - it still waits for get all information. But meanwhile the socket is closed and buffer reader at the server side gets {{null}} at that poing.
> In such case a {{NullPointerException}} can be thrown from the Narayana code.
> {code}
> WARN  [com.arjuna.ats.arjuna] (Server.Connection:127.0.0.1:37264) ARJUNA012338: Other Exception:: java.lang.NullPointerException
>         at com.arjuna.ats.internal.arjuna.recovery.WorkerService.doWork(WorkerService.java:66)
>         at com.arjuna.ats.internal.arjuna.recovery.Connection.run(Connection.java:88)
> {code}



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