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https://issues.apache.org/jira/browse/HADOOP-7695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13116933#comment-13116933
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Aaron T. Myers commented on HADOOP-7695:
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bq. In that case can i put the same patch (HADOOP-7694) here?
Note my comment in HADOOP-7607 where I said:
{quote}
The patch Uma supplied won't quite work as-is, since the {{proxy}} and
{{invocationHandler}} objects can't be assumed to be non-null, but it's close.
{quote}
I'd prefer to take care of this JIRA, if you don't mind, Uma.
> RPC.stopProxy can throw unintended exception while logging error
> ----------------------------------------------------------------
>
> Key: HADOOP-7695
> URL: https://issues.apache.org/jira/browse/HADOOP-7695
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc
> Affects Versions: 0.24.0
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Fix For: 0.24.0
>
>
> {{RPC.stopProxy}} includes the following lines in case of error:
> {code}
> LOG.error("Could not get invocation handler " + invocationHandler +
> " for proxy " + proxy + ", or invocation handler is not
> closeable.");
> {code}
> Trouble is, the {{proxy}} object is usually backed by {{WritableRpcEngine}},
> which will fail in the event {{toString}} is called on one of its proxy
> objects. See HADOOP-7694 for more details on that issue. Until that's
> addressed, we might as well change the log message in {{RPC.stopProxy}} to
> not call {{toString()}} on {{proxy}}.
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