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From "Xingxing Di (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (KYLIN-3059) Query got IllegalArgumentException
Date Fri, 01 Dec 2017 07:05:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16274038#comment-16274038
] 

Xingxing Di edited comment on KYLIN-3059 at 12/1/17 7:04 AM:
-------------------------------------------------------------

[~liyang.gmt8@gmail.com] Happy to hear that . 
I saw this in kylin2.2  :
{code:java}
    TblColRef(TableRef table, ColumnDesc column) {
        checkArgument(table.getTableDesc().getIdentity().equals(column.getTable().getIdentity()));
        this.table = table;
        this.column = column;
    }
{code}

I had merge this  into our kylin (v1.6)  , I'm not sure if that can resolve the problem. 


was (Author: dixingxing@yeah.net):
[~liyang.gmt8@gmail.com] Happy to hear that . 
I saw this in kylin2.2  :
{code:java}
    TblColRef(TableRef table, ColumnDesc column) {
        checkArgument(table.getTableDesc().getIdentity().equals(column.getTable().getIdentity()));
        this.table = table;
        this.column = column;
    }
{code}

I had merge this  into our kylin(v 1.6)  , I'm not sure if that can resolve the problem. 

> Query got IllegalArgumentException
> ----------------------------------
>
>                 Key: KYLIN-3059
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3059
>             Project: Kylin
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: v1.6.0
>         Environment: apache-kylin-1.6.0-hbase1.x
> apache hadoop 2.7.2
> hbase-1.2.4
>            Reporter: Xingxing Di
>            Assignee: liyang
>         Attachments: query.log
>
>
> A query got an exception , the error trace was :
> {code:java}
> Caused by: java.lang.IllegalArgumentException
>         at com.google.common.base.Preconditions.checkArgument(Preconditions.java:76)
>         at org.apache.kylin.metadata.model.TblColRef.<init>(TblColRef.java:105)
>         at org.apache.kylin.metadata.model.TblColRef.columnForUnknownModel(TblColRef.java:74)
>         at org.apache.kylin.query.relnode.OLAPTableScan.buildColumnRowType(OLAPTableScan.java:231)
> {code}
> the code is : 
> {code:java}
>     TblColRef(TableRef table, ColumnDesc column) {
>         checkArgument(table.getTableDesc() == column.getTable()); // this line cause
exception
>         this.table = table;
>         this.column = column;
>     } 
> {code}
> and after we did "Reload metadata", query executed successful.
> I dont know what will cause this exception,  i think it may related to ProjectL2Cache
or ProjectManager.



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