[SOLR-6335] org.apache.solr.common.SolrException: no servers hosting shard

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 4.7
• Component/s: SolrCloud

Environment

Red Hat Enterprise Linux Server release 6.4 (Santiago) 64bit

• Assignee: Unassigned
• Reporter: Forest Soup
• Created: 07/Aug/14 09:38
• Updated: 11/Aug/14 02:02

Description

http://lucene.472066.n3.nabble.com/org-apache-solr-common-SolrException-no-servers-hosting-shard-td4151637.html

I have 2 solr nodes(solr1 and solr2) in a SolrCloud.
After this issue happened, solr2 are in recovering state. And after it takes long time to finish recovery, there is this issue again, and it turn to recovery again. It happens again and again.

ERROR - 2014-08-04 21:12:27.917; org.apache.solr.common.SolrException; org.apache.solr.common.SolrException: no servers hosting shard:
at org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:148)
at org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:118)
at java.util.concurrent.FutureTask.run(FutureTask.java:273)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:482)
at java.util.concurrent.FutureTask.run(FutureTask.java:273)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1156)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:626)
at java.lang.Thread.run(Thread.java:804)

We have those settings in solrconfig.xml different with default:

<maxIndexingThreads>24</maxIndexingThreads>
<ramBufferSizeMB>200</ramBufferSizeMB>
<maxBufferedDocs>10000</maxBufferedDocs>

<autoCommit>
<maxDocs>1000</maxDocs>
<maxTime>${solr.autoCommit.maxTime:15000}</maxTime>
<openSearcher>true</openSearcher>
</autoCommit>
<autoSoftCommit>

<maxTime>${solr.autoSoftCommit.maxTime:-1}</maxTime>
</autoSoftCommit>

<filterCache class="solr.FastLRUCache"
size="16384"
initialSize="16384"
autowarmCount="4096"/>
<queryResultCache class="solr.LRUCache"
size="16384"
initialSize="16384"
autowarmCount="4096"/>
<documentCache class="solr.LRUCache"
size="16384"
initialSize="16384"
autowarmCount="4096"/>
<fieldValueCache class="solr.FastLRUCache"
size="16384"
autowarmCount="1024"
showItems="32" />
<queryResultWindowSize>50</queryResultWindowSize>

The full solrconfig.xml is as attachment.