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Pig >> mail # user >> Exception: Unable to find clone for op Project 4-16 Projections


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Re: Exception: Unable to find clone for op Project 4-16 Projections
Are you using PigServer java api to run your Pig queries ? If so, are
you trying to run multiple queries in different threads against same
Pig server  instance?

Ashutosh

On Mon, May 17, 2010 at 13:57, Yonggang Qiao <[EMAIL PROTECTED]> wrote:
> Hi,
>
> anyone has seen this error before? normally our script runs fine, but
> sometime recently it began to throw this exception. also usually it
> will go away if I rerun it.
>
> Caused by: java.lang.RuntimeException: Unable to find clone for op
> Project 4-16 Projections: [9] Overloaded: false
>        at org.apache.pig.impl.logicalLayer.LogicalPlan.clone(LogicalPlan.java:132)
>        at org.apache.pig.impl.logicalLayer.LogicalPlanCloneHelper.<init>(LogicalPlanCloneHelper.java:66)
>        at org.apache.pig.impl.logicalLayer.LogicalPlanCloner.getClonedPlan(LogicalPlanCloner.java:45)
>        at org.apache.pig.impl.logicalLayer.parser.QueryParser.ForEachClause(QueryParser.java:3009)
>        at org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:1314)
>        at org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:893)
>        at org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:682)
>        at org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:63)
>        at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1017)
>        at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:967)
>        at org.apache.pig.PigServer.registerQuery(PigServer.java:383)
>        at org.apache.pig.PigServer.registerQuery(PigServer.java:399)
>        at ...
>
> Thanks,
> Yonggang
>