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

["Steve Loughran (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-5348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12683420#action_12683420 ] 

Steve Loughran commented on HADOOP-5348:
----------------------------------------

Needs of HADOOP-5201

# Ability to construct new StackTraceElement lists from stack traces (i,e. do not downconvert to text)
# ability to create a new exception from a deserialized exception, with toString(), stack trace &c recreating the details received
# Option of using error codes

> 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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