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Posted to issues@storm.apache.org by "Ethan Li (Jira)" <ji...@apache.org> on 2019/10/15 22:59:00 UTC

[jira] [Closed] (STORM-3519) Change ConstraintSolverStrategy::backtrackSearch to avoid StackOverflowException

     [ https://issues.apache.org/jira/browse/STORM-3519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ethan Li closed STORM-3519.
---------------------------
    Fix Version/s: 2.2.0
       Resolution: Fixed

Thanks [~bipinprasad] I merged to master

> Change ConstraintSolverStrategy::backtrackSearch to avoid StackOverflowException
> --------------------------------------------------------------------------------
>
>                 Key: STORM-3519
>                 URL: https://issues.apache.org/jira/browse/STORM-3519
>             Project: Apache Storm
>          Issue Type: Bug
>          Components: storm-server
>    Affects Versions: 2.0.0
>            Reporter: Bipin Prasad
>            Assignee: Bipin Prasad
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.2.0
>
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>
> When ConstraintSolverStrategy::backtrackSearch recursively call itself - after approximately 20000 calls, there is a StackOverflowException. This can be replicated by running TestConstraintSolverStrategy::testScheduleLargeExecutorConstraintCount.



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