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From Susheel Kumar <susheel2...@gmail.com>
Subject Re: Solr cloud 6.0.0 with ZooKeeper 3.4.8 Errors
Date Thu, 05 May 2016 18:04:56 GMT
Nick, Hoss -  Things are back to normal with ZK 3.4.8 and ZK-6.0.0.  I
switched to Solr 5.5.0 with ZK 3.4.8 which worked fine and then installed
6.0.0.  I suspect (not 100% sure) i left ZK dataDir / Solr collection
directory data from previous ZK/solr version which probably was making Solr
6 in unstable state.

Thanks,
Susheel

On Wed, May 4, 2016 at 9:56 PM, Susheel Kumar <susheel2777@gmail.com> wrote:

> Thanks, Nick & Hoss.  I am using the exact same machine, have wiped out
> solr 5.5.0 and installed solr-6.0.0 with external ZK 3.4.8.  I checked the
> File Description limit for user solr, which is 12000 and increased to
> 52000. Don't see "too many files open..." error now in Solr log but still
> Solr connection getting lost in Admin panel.
>
> Let me do some more tests and install older version back to confirm and
> will share the findings.
>
> Thanks,
> Susheel
>
> On Wed, May 4, 2016 at 8:11 PM, Chris Hostetter <hossman_lucene@fucit.org>
> wrote:
>
>>
>> : Thanks, Nick. Do we know any suggested # for file descriptor limit with
>> : Solr6?  Also wondering why i haven't seen this problem before with Solr
>> 5.x?
>>
>> are you running Solr6 on the exact same host OS that you were running
>> Solr5 on?
>>
>> even if you are using the "same OS version" on a diff machine, that could
>> explain the discrepency if you (or someone else) increased the file
>> descriptor limit on the "old machine" but that neverh appened on the 'new
>> machine"
>>
>>
>>
>> : On Wed, May 4, 2016 at 4:54 PM, Nick Vasilyev <nick.vasilyev1@gmail.com
>> >
>> : wrote:
>> :
>> : > It looks like you have too many open files, try increasing the file
>> : > descriptor limit.
>> : >
>> : > On Wed, May 4, 2016 at 3:48 PM, Susheel Kumar <susheel2777@gmail.com>
>> : > wrote:
>> : >
>> : > > Hello,
>> : > >
>> : > > I am trying to setup 2 node Solr cloud 6 cluster with ZK 3.4.8 and
>> used
>> : > the
>> : > > install service to setup solr.
>> : > >
>> : > > After launching Solr Admin Panel on server1, it looses connections
>> in few
>> : > > seconds and then comes back and other node server2 is marked as
>> Down in
>> : > > cloud graph. After few seconds its loosing the connection and comes
>> back.
>> : > >
>> : > > Any idea what may be going wrong? Has anyone used Solr 6 with ZK
>> 3.4.8.
>> : > > Have never seen this error before with solr 5.x with ZK 3.4.6.
>> : > >
>> : > > Below log from server1 & server2.  The ZK has 3 nodes with chroot
>> : > enabled.
>> : > >
>> : > > Thanks,
>> : > > Susheel
>> : > >
>> : > > server1/solr.log
>> : > >
>> : > > ====
>> : > >
>> : > >
>> : > > 2016-05-04 19:20:53.804 INFO  (qtp1989972246-14) [   ]
>> : > > o.a.s.c.c.ZkStateReader path=[/collections/collection1]
>> : > > [configName]=[collection1] specified config exists in ZooKeeper
>> : > >
>> : > > 2016-05-04 19:20:53.806 INFO  (qtp1989972246-14) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/collections
>> : > > params={action=CLUSTERSTATUS&wt=json&_=1462389588125} status=0
>> QTime=25
>> : > >
>> : > > 2016-05-04 19:20:53.859 INFO  (qtp1989972246-19) [   ]
>> : > > o.a.s.h.a.CollectionsHandler Invoked Collection Action :list with
>> params
>> : > > action=LIST&wt=json&_=1462389588125 and sendToOCPQueue=true
>> : > >
>> : > > 2016-05-04 19:20:53.861 INFO  (qtp1989972246-19) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/collections
>> : > > params={action=LIST&wt=json&_=1462389588125} status=0 QTime=2
>> : > >
>> : > > 2016-05-04 19:20:57.520 INFO  (qtp1989972246-13) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/cores
>> : > > params={indexInfo=false&wt=json&_=1462389588124} status=0 QTime=0
>> : > >
>> : > > 2016-05-04 19:20:57.546 INFO  (qtp1989972246-15) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/info/system
>> : > > params={wt=json&_=1462389588126} status=0 QTime=25
>> : > >
>> : > > 2016-05-04 19:20:57.610 INFO  (qtp1989972246-13) [   ]
>> : > > o.a.s.h.a.CollectionsHandler Invoked Collection Action :list with
>> params
>> : > > action=LIST&wt=json&_=1462389588125 and sendToOCPQueue=true
>> : > >
>> : > > 2016-05-04 19:20:57.613 INFO  (qtp1989972246-13) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/collections
>> : > > params={action=LIST&wt=json&_=1462389588125} status=0 QTime=3
>> : > >
>> : > > 2016-05-04 19:21:29.139 INFO  (qtp1989972246-5980) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.139 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.139 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.141 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.141 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.142 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.142 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.142 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.140 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.140 INFO  (qtp1989972246-5980) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.143 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.144 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.144 INFO  (qtp1989972246-5980) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.144 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:20:53.806 INFO  (qtp1989972246-14) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/collections
>> : > > params={action=CLUSTERSTATUS&wt=json&_=1462389588125} status=0
>> QTime=25
>> : > >
>> : > > 2016-05-04 19:20:53.859 INFO  (qtp1989972246-19) [   ]
>> : > > o.a.s.h.a.CollectionsHandler Invoked Collection Action :list with
>> params
>> : > > action=LIST&wt=json&_=1462389588125 and sendToOCPQueue=true
>> : > >
>> : > > 2016-05-04 19:20:53.861 INFO  (qtp1989972246-19) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/collections
>> : > > params={action=LIST&wt=json&_=1462389588125} status=0 QTime=2
>> : > >
>> : > > 2016-05-04 19:20:57.520 INFO  (qtp1989972246-13) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/cores
>> : > > params={indexInfo=false&wt=json&_=1462389588124} status=0 QTime=0
>> : > >
>> : > > 2016-05-04 19:20:57.546 INFO  (qtp1989972246-15) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/info/system
>> : > > params={wt=json&_=1462389588126} status=0 QTime=25
>> : > >
>> : > > 2016-05-04 19:20:57.610 INFO  (qtp1989972246-13) [   ]
>> : > > o.a.s.h.a.CollectionsHandler Invoked Collection Action :list with
>> params
>> : > > action=LIST&wt=json&_=1462389588125 and sendToOCPQueue=true
>> : > >
>> : > > 2016-05-04 19:20:57.613 INFO  (qtp1989972246-13) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/collections
>> : > > params={action=LIST&wt=json&_=1462389588125} status=0 QTime=3
>> : > >
>> : > > 2016-05-04 19:21:29.139 INFO  (qtp1989972246-5980) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.139 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.139 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.141 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.141 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.142 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.142 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.142 INFO  (qtp1989972246-5984) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.140 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.140 INFO  (qtp1989972246-5980) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.143 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.144 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.144 INFO  (qtp1989972246-5980) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.144 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > 2016-05-04 19:21:29.145 INFO  (qtp1989972246-5983) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.146 INFO  (qtp1989972246-5985) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient I/O exception (java.net.SocketException)
>> : > caught
>> : > > when connecting to {}->http://server2:8983: Too many open files
>> : > >
>> : > > …
>> : > >
>> : > > …
>> : > >
>> : > > 2016-05-04 19:21:29.150 INFO  (qtp1989972246-5980) [   ]
>> : > > o.a.h.i.c.DefaultHttpClient Retrying connect to {}->
>> http://server2:8983
>> : > >
>> : > > 2016-05-04 19:21:29.151 ERROR (qtp1989972246-5985) [   ]
>> : > > o.a.s.s.HttpSolrCall null:org.apache.solr.common.SolrException:
>> Error
>> : > > trying to proxy request for url:
>> : > > http://server2:8983/solr/collection1/admin/luke
>> : > >
>> : > >         at
>> : > >
>> org.apache.solr.servlet.HttpSolrCall.remoteQuery(HttpSolrCall.java:588)
>> : > >
>> : > >         at
>> : > org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:444)
>> : > >
>> : > >         at
>> : > >
>> : > >
>> : >
>> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:229)
>> : > >
>> : > >         at
>> : > >
>> : > >
>> : >
>> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:184)
>> : > >
>> : > >         at
>> : > >
>> : > >
>> : >
>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
>> : > >
>> : > >         at
>> : > >
>> : >
>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
>> : > >
>> : > >         at
>> : > >
>> : > >
>> : >
>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
>> : > >
>> : > >         at
>> : > >
>> : >
>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
>> : > >
>> : > >         at
>> : > >
>> : > >
>> : >
>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
>> : > >
>> : > >         at
>> : > >
>> : > >
>> : >
>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1160)
>> : > >
>> : > >
>> : > >
>> : > >
>> : > >
>> : > > server2/solr.log
>> : > >
>> : > > ======
>> : > >
>> : > >
>> : > > 016-05-04 18:14:32.936 INFO  (main) [   ] o.e.j.s.ServerConnector
>> Started
>> : > > ServerConnector@4c22110e{HTTP/1.1,[http/1.1]}{0.0.0.0:8983}
>> : > >
>> : > > 2016-05-04 18:14:32.936 INFO  (main) [   ] o.e.j.s.Server Started
>> @3850ms
>> : > >
>> : > > 2016-05-04 19:20:20.243 INFO  (qtp1989972246-18) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/cores
>> : > > params={indexInfo=false&wt=json&_=1462389620001} status=0 QTime=34
>> : > >
>> : > > 2016-05-04 19:20:20.254 INFO  (qtp1989972246-15) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/zookeeper
>> : > > params={path=/live_nodes&wt=json&_=1462389620113} status=0 QTime=42
>> : > >
>> : > > 2016-05-04 19:20:20.264 INFO  (qtp1989972246-20) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/info/system
>> : > > params={wt=json&_=1462389620002} status=0 QTime=50
>> : > >
>> : > > 2016-05-04 19:20:20.321 INFO  (qtp1989972246-19) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/zookeeper
>> : > >
>> : > >
>> : >
>> params={path=/clusterstate.json&view=graph&detail=true&wt=json&_=1462389620113}
>> : > > status=0 QTime=6
>> : > >
>> : > > 2016-05-04 19:20:20.360 INFO  (qtp1989972246-21) [   ]
>> : > > o.a.s.h.a.CollectionsHandler Invoked Collection Action :list with
>> params
>> : > > action=LIST&wt=json&_=1462389620002 and sendToOCPQueue=true
>> : > >
>> : > > 2016-05-04 19:20:20.362 INFO  (qtp1989972246-21) [   ]
>> : > o.a.s.s.HttpSolrCall
>> : > > [admin] webapp=null path=/admin/collections
>> : > > params={action=LIST&wt=json&_=1462389620002} status=0 QTime=19
>> : > >
>> : > > 2016-05-04 19:34:35.760 WARN
>> : > > (qtp1989972246-16-acceptor-0@42e5f722-ServerConnector
>> : > > @4c22110e{HTTP/1.1,[http/1.1]}{0.0.0.0:8983}) [   ]
>> : > > o.e.j.s.ServerConnector
>> : > >
>> : > > java.io.IOException: Too many open files
>> : > >
>> : > >         at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
>> : > >
>> : > >         at
>> : > >
>> : >
>> sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
>> : > >
>> : > >         at
>> : > >
>> : >
>> sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
>> : > >
>> : > >         at
>> : > >
>> org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:382)
>> : > >
>> : > >         at
>> : > >
>> : > >
>> : >
>> org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:593)
>> : > >
>> : > >         at
>> : > >
>> : > >
>> : >
>> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)
>> : > >
>> : > >         at
>> : > >
>> : > >
>> : >
>> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)
>> : > >
>> : > >         at java.lang.Thread.run(Thread.java:745)
>> : > >
>> : > > 2016-05-04 19:38:09.442 INFO  (qtp1989972246-5289) [   ]
>> : > > o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/cores
>> : > > params={indexInfo=false&wt=json&_=1462389620001} status=0 QTime=0
>> : > >
>> : > > 2016-05-04 19:38:09.496 INFO  (qtp1989972246-1224) [   ]
>> : > > o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/info/logging
>> : > > params={wt=json&_=1462390689357&since=0} status=0 QTime=4
>> : > >
>> : > > 2016-05-04 19:38:09.587 INFO  (qtp1989972246-5765) [   ]
>> : > > o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/info/system
>> : > > params={wt=json&_=1462389620002} status=0 QTime=99
>> : > >
>> : > > 2016-05-04 19:38:09.656 INFO  (qtp1989972246-4352) [   ]
>> : > > o.a.s.h.a.CollectionsHandler Invoked Collection Action :list with
>> params
>> : > > action=LIST&wt=json&_=1462389620002 and sendToOCPQueue=true
>> : > >
>> : > > 2016-05-04 19:38:09.658 INFO  (qtp1989972246-4352) [   ]
>> : > > o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/collections
>> : > > params={action=LIST&wt=json&_=1462389620002} status=0 QTime=2
>> : > >
>> : > > 2016-05-04 19:38:19.442 INFO  (qtp1989972246-4324) [   ]
>> : > > o.a.s.s.HttpSolrCall [admin] webapp=null path=/admin/info/logging
>> : > > params={wt=json&_=1462390689357&since=0} status=0 QTime=0
>> : > >
>> : >
>> :
>>
>> -Hoss
>> http://www.lucidworks.com/
>
>
>

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