[jira] [Updated] (DRILL-4831) Running refresh table metadata concurrently randomly fails with JsonParseException

["Zelaine Fong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-4831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zelaine Fong updated DRILL-4831:
--------------------------------
    Assignee: Padma Penumarthy

> 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: Padma Penumarthy
>         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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