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From "Alexey Goncharuk (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-9381) p2p does not undeploy ScanQuery IgniteBiPredicate filter on client node disconnect
Date Tue, 25 Sep 2018 08:15:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-9381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16626974#comment-16626974

Alexey Goncharuk commented on IGNITE-9381:

1) {{Stream.of(sampleClassName(), deployedClassMap().keySet().stream())}} will create a stream
from two elements, the sample class name and the stream from the key set. Your code will end
up with {{toString()}} being called on the second stream and passing it to the {{U.clearClassFromCache}}.
A simple {{for}} loop would be enough here, in my opinion.
2) You added a new class creation to the constructor of the predicate. This will never be
called on remote node because the predicate is {{Serializable}} and constructors are not called
during the object deserialization. Please add a separate predicate for this test and create
a new object inside {{apply()}} method of the predicate.

> p2p does not undeploy ScanQuery IgniteBiPredicate filter on client node disconnect
> ----------------------------------------------------------------------------------
>                 Key: IGNITE-9381
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9381
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Andrew Medvedev
>            Assignee: Sergey Antonov
>            Priority: Major
>             Fix For: 2.7
>         Attachments: AndmedScanFilterClassLoadingTest.java, snapshots.xml
> Once deployed via scan query, an IgniteBiPredicate filter does not change if client reconnects
(with a modified filter)
> Steps to reproduce:
>  * start server node in separate jvm with attached configuration (persistence enabled)
>  * run attached reproducer AndmedScanFilterClassLoadingTest. It includes a task and
a scan filter, both print "FOO" on server side
>  * modify FOO -> BAR for both
>  * re-run modifed AndmedScanFilterClassLoadingTest .
> Expected: Both print "BAR".
> Actual behavior: task prints "BAR", scan filter prints "FOO" 

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