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From "James Clampffer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-9453) Fix protobuf runtime warnings
Date Thu, 13 Oct 2016 20:27:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Clampffer resolved HDFS-9453.
-----------------------------------
    Resolution: Duplicate
      Assignee:     (was: James Clampffer)

Dupe of HDFS-10595

> Fix protobuf runtime warnings
> -----------------------------
>
>                 Key: HDFS-9453
>                 URL: https://issues.apache.org/jira/browse/HDFS-9453
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: James Clampffer
>
> When performing reads sometimes this warning shows up on stdout or stderr:
> "Encountered string containing invalid UTF-8 data while serializing protocol buffer.
Strings must contain only UTF-8; use the 'bytes' type for raw bytes"
> Apparently this is most likely due to nulls embedded in a string field.
> Running in gdb and breaking on wire_format.cc line 1053 gets a useful stack.  It looks
like RemoteBlockReader::async_connect eventually makes a hadoop::hdfs::ClientOperationHeaderProto
and VerifyUTF8String errors out.



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