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Posted to dev@uima.apache.org by "Jerry Cwiklik (JIRA)" <de...@uima.apache.org> on 2018/10/08 17:49:00 UTC

[jira] [Closed] (UIMA-5877) UIMA-DUCC: Pull service not failing fast on initialization error

     [ https://issues.apache.org/jira/browse/UIMA-5877?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jerry Cwiklik closed UIMA-5877.
-------------------------------
    Resolution: Fixed

Fails fast now

> UIMA-DUCC: Pull service not failing fast on initialization error
> ----------------------------------------------------------------
>
>                 Key: UIMA-5877
>                 URL: https://issues.apache.org/jira/browse/UIMA-5877
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>            Priority: Major
>             Fix For: 2.2.3-Ducc
>
>
> With multiple threads initializing, the protocol handler serializes call to processor.initialize() so that only one thread is allowed to initialize at a time.
> If initialization fails the design goal is for the remaining threads to fail-fast if a previous thread failed. The check for error was in the wrong place in the DefaultServiceProtocolHandler.initialize(). Modify to do the check *after* a thread acquires a lock as in the below snippet:
> try {
>     // use a lock to serialize initialization one thread at a time
>     initLock.lock();
>     if (initError) {
>         return;
>     }
>     processor.initialize();
> ...
>  
>  
>  
>  



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