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https://issues.apache.org/jira/browse/HBASE-11523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14063784#comment-14063784
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Nick Dimiduk commented on HBASE-11523:
--------------------------------------
Might as well just print all options for now. We don't need all options to be
serialized for mapred, but I figured it wouldn't hurt anything. If you want to
limit that stuff, better to go back to specifying accessors, but make sure
everything needed by clients in mapred is included.
Module is overkill? We talked a while back about moving it out of test, package
it in hbase-server. I think some basic smoke-tests are in order at least.
> JSON serialization of PE Options is broke
> -----------------------------------------
>
> Key: HBASE-11523
> URL: https://issues.apache.org/jira/browse/HBASE-11523
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Fix For: 0.99.0, 2.0.0
>
> Attachments: 11520v3.txt, 11523v2.txt, HBASE-11523.00.nd.patch
>
>
> I see this when I try to run a PE MR job on master:
> {code}
> 4/07/15 22:02:27 INFO mapreduce.Job: Task Id :
> attempt_1405482830657_0004_m_000015_2, Status : FAILED
> Error: org.codehaus.jackson.map.exc.UnrecognizedPropertyException:
> Unrecognized field "blockEncoding" (Class
> org.apache.hadoop.hbase.PerformanceEvaluation$TestOptions), not marked as
> ignorable
> at [Source: java.io.StringReader@41c7d592; line: 1, column: 37] (through
> reference chain: org.apache.hadoop.hbase.TestOptions["blockEncoding"])
> at
> org.codehaus.jackson.map.exc.UnrecognizedPropertyException.from(UnrecognizedPropertyException.java:53)
> at
> org.codehaus.jackson.map.deser.StdDeserializationContext.unknownFieldException(StdDeserializationContext.java:246)
> at
> org.codehaus.jackson.map.deser.StdDeserializer.reportUnknownProperty(StdDeserializer.java:604)
> at
> org.codehaus.jackson.map.deser.StdDeserializer.handleUnknownProperty(StdDeserializer.java:590)
> at
> org.codehaus.jackson.map.deser.BeanDeserializer.handleUnknownProperty(BeanDeserializer.java:689)
> at
> org.codehaus.jackson.map.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:514)
> at
> org.codehaus.jackson.map.deser.BeanDeserializer.deserialize(BeanDeserializer.java:350)
> at
> org.codehaus.jackson.map.ObjectMapper._readMapAndClose(ObjectMapper.java:2402)
> at
> org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1602)
> at
> org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:255)
> at
> org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:210)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1556)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
> {code}
> The JSON serialization of PE Options does not seem to be working. If I add a
> setter, it does work so unless I hear otherwise, seems like adding a setter
> for each PE option is the way to go (I like the new JSON serialization).
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