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Posted to solr-user@lucene.apache.org by Bharat Jain <bh...@gmail.com> on 2010/09/27 17:09:11 UTC

urgent SOLR query server request hangs

Hi,
   We are running into issues with SOLR queries. Our solr queries just hang.
We are using SOLR 1.3 and below is the stack trace from threaddump. We are
clueless about what can be causing this issue. We are in the midst of
firefighting with our customer and any help is appreciated. Thanks,Bharat

"TP-Processor113" daemon prio=3 tid=0x00000000071c3400 nid=0x134
runnable [0xfffffd7ed72a0000..0xfffffd7ed72a3920]
   java.lang.Thread.State: RUNNABLE
	at java.net.SocketInputStream.socketRead0(Native Method)
	at java.net.SocketInputStream.read(SocketInputStream.java:129)
	at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
	at java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
	at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
	- locked <0xfffffd7f26c1caf0> (a java.io.BufferedInputStream)
	at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:687)
	at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:632)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1064)
	- locked <0xfffffd7f2a260c50> (a sun.net.www.protocol.http.HttpURLConnection)
	at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
	at com.xxx.xxxx.search.solr.SolrSearchServiceImpl.query(SolrSearchServiceImpl.java:271)
	at com.xxx.xxxx.search.Searchable.query(Searchable.java:460)
	at com.xxx.xxxx.search.JobReqSearchObject.query(JobReqSearchObject.java:903)




Thanks
Bharat Jain

Re: urgent SOLR query server request hangs

Posted by Yonik Seeley <yo...@lucidimagination.com>.
On Mon, Sep 27, 2010 at 11:09 AM, Bharat Jain <bh...@gmail.com> wrote:
>   We are running into issues with SOLR queries. Our solr queries just hang.

Are you perhaps using distributed search and accidentally set up an
infinite loop?
Do *not* configure a default "shards" param on your /select handler.

Other than that - you'll need to get some thread dumps from Solr to
see why it's hanging, and provide an example of what requests you are
sending.

-Yonik
http://lucenerevolution.org  Lucene/Solr Conference, Boston Oct 7-8