sure. removed the irrelevant stuff.
PigServer pigServer = new PigServer("mapreduce");
pigServer.registerQuery(...);
...
ExecJob job = pigServer.store("RET", outputPath);
then periodically check the job.getStatus().
On Mon, May 17, 2010 at 2:43 PM, Ashutosh Chauhan
<[email protected]> wrote:
> 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
>>>>>
>>>>
>>>
>>
>
