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Date: Mon, 4 Sep 2017 14:12:00 +0000 (UTC)
From: "Jinjiang Ling (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13098503.1504081068000.21992.1504534320290@Atlassian.JIRA>
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References: <JIRA.13098503.1504081068000@Atlassian.JIRA> <JIRA.13098503.1504081068988@jira-lw-us.apache.org>
Subject: [jira] [Commented] (YARN-7128) The error message in
 TimelineSchemaCreator is not enough to find out the error.
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archived-at: Mon, 04 Sep 2017 14:12:09 -0000


    [ https://issues.apache.org/jira/browse/YARN-7128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16152650#comment-16152650 ] 

Jinjiang Ling commented on YARN-7128:
-------------------------------------

[~vrushalic], thanks for your review. 
The warning in prechecks is that the patch doesn't appear to include any new or modified tests. I think it is not necessory to update tests in it. 

> The error message in TimelineSchemaCreator is not enough to find out the error.
> -------------------------------------------------------------------------------
>
>                 Key: YARN-7128
>                 URL: https://issues.apache.org/jira/browse/YARN-7128
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: 3.0.0-beta1
>            Reporter: Jinjiang Ling
>            Assignee: Jinjiang Ling
>         Attachments: YARN-7128.patch
>
>
> When I  run the schema creator tool of timeline service v2, then an error happened with the error message below:
> {quote}
> 17/08/30 16:04:18 INFO zookeeper.ClientCnxn: Session establishment complete on server zdh175/10.43.183.175:2181, sessionid = 0x15e0d065a330019, negotiated timeout = 180000
> 17/08/30 16:04:18 WARN util.HeapMemorySizeUtil: hbase.regionserver.global.memstore.upperLimit is deprecated by hbase.regionserver.global.memstore.size
> 17/08/30 16:04:18 ERROR storage.TimelineSchemaCreator: Error in creating hbase tables: java.lang.reflect.InvocationTargetException
> 17/08/30 16:04:18 WARN storage.TimelineSchemaCreator: Schema creation finished with the following exceptions
> 17/08/30 16:04:18 WARN storage.TimelineSchemaCreator: java.lang.reflect.InvocationTargetException
> {quote}
> But I can't tell which error caused this exception with message.
> Then I find it only print the exception message in TimelineSchemaCreator
> {code}
>   try {
>     ......
>   } catch (IOException e) {
>       LOG.error("Error in creating hbase tables: " + e.getMessage());
>       exceptions.add(e);
>   }
> {code}
> I change it like this
> {code}
>   try {
>     ......
>   } catch (IOException e) {
>       LOG.error("Error in creating hbase tables: ", e);
>       exceptions.add(e);
>   }
> {code}
> finally, I get the detail of this error, and it's caused by a directory of hbase not created.
> {quote}
>         at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.<init>(ConnectionManager.java:648)
>         ... 10 more
> Caused by: java.lang.RuntimeException: Failed to create local dir /data1/zdh/hbase/tmp/RegionServer/local/jars, DynamicClassLoader failed to init
>         at org.apache.hadoop.hbase.util.DynamicClassLoader.initTempDir(DynamicClassLoader.java:110)
>         at org.apache.hadoop.hbase.util.DynamicClassLoader.<init>(DynamicClassLoader.java:98)
>         at org.apache.hadoop.hbase.protobuf.ProtobufUtil.<clinit>(ProtobufUtil.java:244)
>         ... 15 more
> 17/08/30 16:03:42 WARN storage.TimelineSchemaCreator: Schema creation finished with the following exceptions
> 17/08/30 16:03:42 WARN storage.TimelineSchemaCreator: java.lang.reflect.InvocationTargetException
> {quote}
> As the exception message is not enough to find out the error, so I think print all the information of the exception in TimelineSchemaCreator is better.


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