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From Kevin Xiang <>
Subject RE: Solr 4.2 in SolrCloud mode lost response for update but search is normal
Date Thu, 20 Jun 2013 05:31:16 GMT
From the coredump information,it seem that the issue is the same as the jira: Rapidly opening and closing cores can lead
to deadlock
Mark Miller:
Does the issue happen again?

From: Qun Wang
Sent: 2013年6月20日 11:24
To: <> (
Subject: Solr 4.2 in SolrCloud mode lost response for update but search is normal

Hi, all:

I’m using SolrCloud with Solr 4.2, and currently a strange issue often happen and confuse
The running env has three zookeepers and two solrs, used the same shard and six cores.
Without any network and resource issue, I found that after a time, solr would lost response
for update but query is normal.
Servers neither process any update nor generate response info, seems somewhere entered a dead
Thread dump info for on machine is attached.

Could someone help me check what’s the root issue?

Qun Wang
Application Service - Backend
Morningstar (Shenzhen) Ltd.
Morningstar. Illuminating investing worldwide.
+86 755 3311 0218 Office
+86 186 6538 3975 Mobile<>
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