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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
if you are creating new instance for each query.. you should be fine..
which Pig version are you using ? can you paste the snippet of java
code where you are creating new pig server instance and then using it
for a new query ?

Ashutosh
On Mon, May 17, 2010 at 14:17, Yonggang Qiao <[EMAIL PROTECTED]> wrote:
> sorry, actually yes. no, we use new instance for each script.
>
> On Mon, May 17, 2010 at 2:13 PM, Yonggang Qiao <[EMAIL PROTECTED]> wrote:
>> yes. yes.
>>
>> On Mon, May 17, 2010 at 2:03 PM, Ashutosh Chauhan
>> <[EMAIL PROTECTED]> wrote:
>>> 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
>>>>
>>>
>>
>