[jira] [Reopened] (UIMA-2708) DUCC Service Manager - intermittent crash on startup loading service registrations.

["Jerry Cwiklik (JIRA)" <de...@uima.apache.org>]

     [ https://issues.apache.org/jira/browse/UIMA-2708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jerry Cwiklik reopened UIMA-2708:
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Assign fixVersion

> DUCC Service Manager - intermittent crash on startup loading service registrations.
> -----------------------------------------------------------------------------------
>
>                 Key: UIMA-2708
>                 URL: https://issues.apache.org/jira/browse/UIMA-2708
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>            Reporter: Jim Challenger
>            Assignee: Jim Challenger
>             Fix For: 1.0-Ducc
>
>
> During SM init, as well as during registration, SM does a topological sort to detect and reject circular references.  The code needs to account for independent services which might be implicit, or submitted in the future (i.e. references to currently unregistered services) and ignore them in the topo sort.  This is ok because if they're not registered, they're not in a cycle.  If they are registered later, the topo sort will occur as part of registration and they'll then be included, so all is well.



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