# Percolate Error

**URL:** <https://discuss.elastic.co/t/percolate-error/4110>\
**Category:** Elasticsearch\
**Created:** [March 16, 2011, 2:53pm UTC](https://discuss.elastic.co/t/percolate-error/4110 "2011-03-16T14:53:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![timscott](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/timscott/32/3220_2.png) [@timscott](https://discuss.elastic.co/u/timscott)\
**Post date:** [March 16, 2011, 2:53pm UTC](https://discuss.elastic.co/t/percolate-error/4110/1 "2011-03-16T14:53:25Z")

</div>

I'm getting a lot of errors like this. I have not yet been able to  
recreate. Any idea what it means, and what type of mistake might  
cause such an error. I'm on 0.15.2.

failed to execute  
[org.elasticsearch.action.percolate.PercolateRequest@543d8ee8]  
java.lang.IllegalArgumentException: field must not be added more than  
once  
at  
org.apache.lucene.index.memory.MemoryIndex.addField(MemoryIndex.java:  
335)  
at  
org.elasticsearch.index.percolator.PercolatorExecutor.percolate(PercolatorExecutor.java:  
313)  
at  
org.elasticsearch.index.percolator.PercolatorExecutor.percolate(PercolatorExecutor.java:  
291)  
at  
org.elasticsearch.index.percolator.PercolatorService.percolate(PercolatorService.java:  
82)  
at  
org.elasticsearch.action.percolate.TransportPercolateAction.shardOperation(TransportPercolateAction.java:  
79)  
at  
org.elasticsearch.action.percolate.TransportPercolateAction.shardOperation(TransportPercolateAction.java:  
40)  
at  
org.elasticsearch.action.support.single.custom.TransportSingleCustomOperationAction  
$AsyncSingleAction$1.run(TransportSingleCustomOperationAction.java:  
135)  
at java.util.concurrent.ThreadPoolExecutor  
$Worker.runTask(ThreadPoolExecutor.java:886)  
at java.util.concurrent.ThreadPoolExecutor  
$Worker.run(ThreadPoolExecutor.java:908)  
at java.lang.Thread.run(Thread.java:680)

---

<div class="post-metadata">

**Author:** ![kimchy](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kimchy/32/44952_2.png) [@kimchy](https://discuss.elastic.co/u/kimchy)\
**Post date:** [March 16, 2011, 5:35pm UTC](https://discuss.elastic.co/t/percolate-error/4110/2 "2011-03-16T17:35:11Z")

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Heya,

Yea, this is a bug found (sent a notice on it to the list). Its already fixed in master. Here is the issue: [Issues · elastic/elasticsearch · GitHub](https://github.com/elasticsearch/elasticsearch/issues/closed#issue/763).

-shay.banon  
On Wednesday, March 16, 2011 at 4:53 PM, Tim Scott wrote:

> I'm getting a lot of errors like this. I have not yet been able to  
> recreate. Any idea what it means, and what type of mistake might  
> cause such an error. I'm on 0.15.2.
> 
> failed to execute  
> [org.elasticsearch.action.percolate.PercolateRequest@543d8ee8]  
> java.lang.IllegalArgumentException: field must not be added more than  
> once  
> at  
> org.apache.lucene.index.memory.MemoryIndex.addField(MemoryIndex.java:  
> 335)  
> at  
> org.elasticsearch.index.percolator.PercolatorExecutor.percolate(PercolatorExecutor.java:  
> 313)  
> at  
> org.elasticsearch.index.percolator.PercolatorExecutor.percolate(PercolatorExecutor.java:  
> 291)  
> at  
> org.elasticsearch.index.percolator.PercolatorService.percolate(PercolatorService.java:  
> 82)  
> at  
> org.elasticsearch.action.percolate.TransportPercolateAction.shardOperation(TransportPercolateAction.java:  
> 79)  
> at  
> org.elasticsearch.action.percolate.TransportPercolateAction.shardOperation(TransportPercolateAction.java:  
> 40)  
> at  
> org.elasticsearch.action.support.single.custom.TransportSingleCustomOperationAction  
> $AsyncSingleAction$1.run(TransportSingleCustomOperationAction.java:  
> 135)  
> at java.util.concurrent.ThreadPoolExecutor  
> $Worker.runTask(ThreadPoolExecutor.java:886)  
> at java.util.concurrent.ThreadPoolExecutor  
> $Worker.run(ThreadPoolExecutor.java:908)  
> at java.lang.Thread.run(Thread.java:680)

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 4:09am UTC](https://discuss.elastic.co/t/percolate-error/4110/3 "2017-07-06T04:09:56Z")

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Closed on July 6, 2017, 4:09am UTC