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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2009/03/17 18:58:50 UTC

[jira] Updated: (HADOOP-5348) Create a stable wire format for exceptions

     [ https://issues.apache.org/jira/browse/HADOOP-5348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran updated HADOOP-5348:
-----------------------------------

    Attachment: ThrowableWritable.java

First pass at this: 
# you can create it from a chain of throwables, but you can't go the other way. 
# Stack trace gets downgraded to string array
# No tests that conversion works or serialize/deserialize reliable

> Create a stable wire format for exceptions
> ------------------------------------------
>
>                 Key: HADOOP-5348
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5348
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: ipc
>    Affects Versions: 0.20.0, 0.21.0
>            Reporter: Steve Loughran
>         Attachments: ThrowableWritable.java
>
>
> HADOOP-5201 and other issues would benefit from a stable representation of exceptions, one that can be sent over the network, maybe pushed out to web UIs and which we can be 100% sure that the far end will be able to handle if they have the hadoop-core JAR on their classpath.

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