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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-4831) Running refresh table metadata concurrently randomly fails with JsonParseException
Date Wed, 23 Nov 2016 23:33:59 GMT

    [ https://issues.apache.org/jira/browse/DRILL-4831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15691659#comment-15691659
] 

ASF GitHub Bot commented on DRILL-4831:
---------------------------------------

Github user parthchandra commented on the issue:

    https://github.com/apache/drill/pull/653
  
    +1


> Running refresh table metadata concurrently randomly fails with JsonParseException
> ----------------------------------------------------------------------------------
>
>                 Key: DRILL-4831
>                 URL: https://issues.apache.org/jira/browse/DRILL-4831
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Metadata
>    Affects Versions: 1.8.0
>            Reporter: Rahul Challapalli
>            Assignee: Aman Sinha
>         Attachments: error.log, l_3level.tgz
>
>
> git.commit.id.abbrev=f476eb5
> Just run the below command concurrently from 10 different JDBC connections. There is
a likelihood that you might encounter the below error
> Extracts from the log
> {code}
> Caused By (java.lang.AssertionError) Internal error: Error while applying rule DrillPushProjIntoScan,
args [rel#189411:LogicalProject.NONE.ANY([]).[](input=rel#189289:Subset#3.ENUMERABLE.ANY([]).[],l_orderkey=$1,dir0=$2,dir1=$3,dir2=$4,l_shipdate=$5,l_extendedprice=$6,l_discount=$7),
rel#189233:EnumerableTableScan.ENUMERABLE.ANY([]).[](table=[dfs, metadata_caching_pp, l_3level])]
>     org.apache.calcite.util.Util.newInternal():792
>     org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch():251
> .....
> .....
>   java.lang.Thread.run():745
>   Caused By (org.apache.drill.common.exceptions.DrillRuntimeException) com.fasterxml.jackson.core.JsonParseException:
Illegal character ((CTRL-CHAR, code 0)): only regular white space (\r, \n, \t) is allowed
between tokens
>  at [Source: com.mapr.fs.MapRFsDataInputStream@57a574a8; line: 1, column: 2]
>     org.apache.drill.exec.planner.logical.DrillPushProjIntoScan.onMatch():95
> {code}  
> Attached the complete log message and the data set



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