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https://issues.apache.org/jira/browse/HADOOP-5348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12706688#action_12706688
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Chris Douglas commented on HADOOP-5348:
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OK, I think I understand. Unfortunately, this issue proposes to add the type
without any use cases in the framework. Absent context for this, it's hard to
justify adding it to core on its own. If HADOOP-3628 can use it effectively
(the ping functionality is a good idea), it would make more sense to add it as
part of that work than to add it as an orphaned type.
> Create a ThrowableWritable for serializing exceptions robustly
> --------------------------------------------------------------
>
> Key: HADOOP-5348
> URL: https://issues.apache.org/jira/browse/HADOOP-5348
> Project: Hadoop Core
> Issue Type: New Feature
> Components: ipc
> Affects Versions: 0.21.0
> Reporter: Steve Loughran
> Fix For: 0.21.0
>
> Attachments: hadoop-5348.patch, 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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