[jboss-jira] [JBoss JIRA] (DROOLS-1098) Equals behaviour faulty when loading sessions after exception

[Mario Fusco (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-1098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13187387#comment-13187387 ] 

Mario Fusco commented on DROOLS-1098:
-------------------------------------

Also consider that as already stated in https://issues.jboss.org/browse/DROOLS-1061 "When a KieSession throws an exception the session itself has to be considered dead and then no longer usable"

> Equals behaviour faulty when loading sessions after exception
> -------------------------------------------------------------
>
>                 Key: DROOLS-1098
>                 URL: https://issues.jboss.org/browse/DROOLS-1098
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine
>    Affects Versions: 6.3.0.Final
>         Environment: Mac OS 10.10.5, Eclipse Mars Release, Java 1.8, Drools 6.3.0.Final
>            Reporter: Artur Kronenberg
>            Assignee: Mario Fusco
>         Attachments: test-standalone.zip
>
>
> This is in a series of debugging and I think a few issues boil down to this:
> https://issues.jboss.org/browse/DROOLS-1093
> https://issues.jboss.org/browse/DROOLS-1097
> This bug demonstrates how two identical sessions with identical input and rules produce a NPE when loading with equals behaviour vs identity behaviour. I am currently battling that issue and looking for a workaround. 
> Essentially, you can run the unit tests I attached in the test project: (ExceptionTest)
> testIdentity - passes 
> testIdentityWithReload - passes
> testEquals - NPE
> testEqualsWithReload- NPE
> The tests do the same thing: 
> * Create new persistent session 
> * Load facts into it
> * Run 20 times either reloading the session (depending on the test cases) or using the old session. Each run, insert one fact and run all the rules. Eventually the equals tests (I believe after iteration 2) NPE when trying to deserialise the session. Identity has no issues and functions correctly. 
> Let me know if you need anything else and please do let me know if there is a workaround. I am currently exploring the workaround avenue myself as well and will come back here with an update should I find one. 



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