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Date: Tue, 13 Dec 2016 23:51:58 +0000 (UTC)
From: "Rohit Mohta (JIRA)" <jira@apache.org>
To: issues@ignite.apache.org
Message-ID: <JIRA.13025075.1480680955000.514364.1481673118549@Atlassian.JIRA>
In-Reply-To: <JIRA.13025075.1480680955000@Atlassian.JIRA>
References: <JIRA.13025075.1480680955000@Atlassian.JIRA> <JIRA.13025075.1480680955405@arcas>
Subject: [jira] [Commented] (IGNITE-4358) Better error reporting in case of
 unmarshallable classes.
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archived-at: Tue, 13 Dec 2016 23:52:00 -0000


    [ https://issues.apache.org/jira/browse/IGNITE-4358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15746656#comment-15746656 ] 

Rohit Mohta commented on IGNITE-4358:
-------------------------------------

[~ascherbakov] Changed the message per your comment. NPE check was present in my earlier patch too.
```
Objects.requireNonNull(r, "Trying to execute a null closure. Make sure the closure is not assignable from classes listed in MarshallerExclusions");
```


> Better error reporting in case of unmarshallable classes.
> ---------------------------------------------------------
>
>                 Key: IGNITE-4358
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4358
>             Project: Ignite
>          Issue Type: Improvement
>          Components: compute, messaging, newbie
>    Affects Versions: 1.6
>            Reporter: Alexei Scherbakov
>            Assignee: Rohit Mohta
>            Priority: Trivial
>              Labels: newbie
>             Fix For: 2,0
>
>         Attachments: IGNITE-4358-Exceptionlog-05Dec2016.txt, IGNITE-4358-GridClosureProcessor-05Dec2016.patch, PureIgniteRunTest.java
>
>
> When trying to execute Thread's derived class implementing IgniteRunnable using compute API, it silently serializes to null because Thread serialization is prohibited in MarshallerExclusions and throws NPE on executing node.
> We need to throw more informative exception for such case.
> Reproducer in the attachment.


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