Return-Path: X-Original-To: apmail-manifoldcf-user-archive@www.apache.org Delivered-To: apmail-manifoldcf-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id ECFCF11CE1 for ; Mon, 15 Sep 2014 13:41:43 +0000 (UTC) Received: (qmail 28335 invoked by uid 500); 15 Sep 2014 13:41:43 -0000 Delivered-To: apmail-manifoldcf-user-archive@manifoldcf.apache.org Received: (qmail 28282 invoked by uid 500); 15 Sep 2014 13:41:43 -0000 Mailing-List: contact user-help@manifoldcf.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@manifoldcf.apache.org Delivered-To: mailing list user@manifoldcf.apache.org Received: (qmail 28272 invoked by uid 99); 15 Sep 2014 13:41:43 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 15 Sep 2014 13:41:43 +0000 X-ASF-Spam-Status: No, hits=2.8 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS,URI_HEX,WEIRD_PORT X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of lalit.j.jangra@gmail.com designates 209.85.160.180 as permitted sender) Received: from [209.85.160.180] (HELO mail-yk0-f180.google.com) (209.85.160.180) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 15 Sep 2014 13:41:17 +0000 Received: by mail-yk0-f180.google.com with SMTP id q9so2063526ykb.11 for ; Mon, 15 Sep 2014 06:41:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=EYcWursAUkV7LofVUDGlNvgyly1loVSQJq5p8xOQDfQ=; b=k39ky12/BE/W6dwz/O79Vs+b7yKr0T86qpWb96NvA6S6gHZzhG1pq8Lx3OUm3F+c3K /mpbeE60/dj3dknOxqM5Kop4XQFnHGVMxg2YwYVHnepJqq5iJkwZVU/CKKh/CIO36Vr7 IPgsPG0JntCeTI4qAV/XKjnTFkX0gPwNcyJdLNxyUtE4kM51y7VCQAjd7srzOXJBMBzm N36Cc6JgQHkSP7JvZ4GjBdfczJPQMNz9YvpNpwZ+X9Vhus2ZzfzsXXHGexg2tX7g93Fd JHW1UGR47U4cGTiS2hSMmfaWYHIXeEwWAuhGX7JHmlMZW28SE9akINe8mMUoqp6+FjLd NzMA== MIME-Version: 1.0 X-Received: by 10.236.38.225 with SMTP id a61mr33234491yhb.35.1410788475874; Mon, 15 Sep 2014 06:41:15 -0700 (PDT) Received: by 10.170.120.209 with HTTP; Mon, 15 Sep 2014 06:41:15 -0700 (PDT) In-Reply-To: References: Date: Mon, 15 Sep 2014 19:11:15 +0530 Message-ID: Subject: Re: Getting errors in zookeeper logs From: lalit jangra To: "user@manifoldcf.apache.org" Content-Type: multipart/alternative; boundary=089e01634decf5327d05031ac906 X-Virus-Checked: Checked by ClamAV on apache.org --089e01634decf5327d05031ac906 Content-Type: text/plain; charset=UTF-8 Hi Karl, Along with this, i could see below errors in tomcat catalina.out. Sep 15, 2014 1:06:14 PM org.apache.catalina.loader.WebappClassLoader loadClass INFO: Illegal access: this web application instance has been stopped already. Could not load org.apache.zookeeper.server.ZooTrace. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact. java.lang.IllegalStateException at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1612) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1115) [http-bio-80-exec-1-SendThread(iwdc2preecma04.iwater.ie:2183)] ERROR org.apache.zookeeper.ClientCnxn - from http-bio-80-exec-1-SendThread( iwdc2preecma04.iwater.ie:2183) java.lang.NoClassDefFoundError: org/apache/zookeeper/server/ZooTrace at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1115) Caused by: java.lang.ClassNotFoundException: org.apache.zookeeper.server.ZooTrace at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571) ... 1 more [http-bio-80-exec-1-SendThread(iwdc2preecma04.iwater.ie:2182)] ERROR org.apache.zookeeper.ClientCnxn - from http-bio-80-exec-1-SendThread( iwdc2preecma04.iwater.ie:2182) Sep 15, 2014 1:06:14 PM org.apache.coyote.AbstractProtocol destroy INFO: Destroying ProtocolHandler ["http-bio-80"] java.lang.NoClassDefFoundError: org/apache/zookeeper/server/ZooTrace Regards. On Mon, Sep 15, 2014 at 7:05 PM, lalit jangra wrote: > Thanks Karl, > > While crawling is very slow, its taking long so a bit of frustrating and > as i have multiple high volume jobs that too in parallel, it does not seem > to be a good thing. > > I have also raised it on Zookeeper forums @ > http://zookeeper-user.578899.n2.nabble.com/Getting-errors-in-zookeeper-logs-td7580260.html > but waiting for reply. > > Regards. > > On Mon, Sep 15, 2014 at 6:51 PM, Karl Wright wrote: > >> HI Lalit, >> >> When MCF cannot reach zookeeper, MCF crawls will pause until the >> zookeeper connections are reestablished. Then the crawls should resume. >> This should *not* abort your crawls, but it will make them very slow. >> >> I am not a zookeeper expert, so I would post on their message boards to >> see if there is any adjustment that can be made to zookeeper parameters >> that would improve zookeeper behavior when you have a flaky network. >> However, since the obvious solution is to fix your network, they may not >> have a code solution for you. >> >> Thanks, >> Karl >> >> >> On Mon, Sep 15, 2014 at 9:15 AM, lalit jangra >> wrote: >> >>> Thanks Karl, >>> >>> Ideally resetting connections should be taken care by zookeeper itself >>> as i could see re-establishment of connections later in logs. >>> >>> Can you suggest any way to overcome this in addition to network issue >>> resolution as my crawls are not working again and again? Anything in config >>> files etc.? >>> >>> Regards. >>> >>> >>> On Mon, Sep 15, 2014 at 6:39 PM, Karl Wright wrote: >>> >>>> Hi Lalit, >>>> >>>> Zookeeper will keep working, but you should understand that you are >>>> dropping connections to your zookeeper members for unknown reasons, which >>>> is causing your crawl to stall when it happens. This argues that perhaps >>>> you have some network flakiness of some kind. >>>> >>>> Karl >>>> >>>> >>>> On Mon, Sep 15, 2014 at 8:59 AM, lalit jangra >>> > wrote: >>>> >>>>> >>>>> Hi, >>>>> >>>>> I am running cluster of two Apache ManifoldCF nodes on two separate >>>>> machines each of which having 3 zookeeper instances (total 6 instances in >>>>> cluster). When i am running up manifoldCF agents, i see below warning >>>>> during startup. >>>>> >>>>> [http-bio-80-exec-2-SendThread(iwdc1preecma03.iwater.ie:2181)] INFO >>>>> org.apache.zookeeper.ClientCnxn - Unable to read additional data from >>>>> server sessionid 0x0, likely server has closed socket, closing socket >>>>> connection and attempting reconnect >>>>> >>>>> [http-bio-80-exec-2-SendThread(iwdc2preecma04.iwater.ie:2182)] INFO >>>>> org.apache.zookeeper.ClientCnxn - Opening socket connection to server >>>>> iwdc2preecma04.iwater.ie/10.231.72.25:2182. Will not attempt to >>>>> authenticate using SASL (unknown error) >>>>> >>>>> >>>>> Also i could see below error in logs in while agents are running. >>>>> >>>>> [http-bio-80-exec-2] INFO org.apache.zookeeper.ZooKeeper - Initiating >>>>> client connection, >>>>> connectString=iwdc1preecma03:2181,iwdc1preecma03:2182,iwdc1preecma03:2183,iwdc2preecma04:2181,iwdc2preecma04:2182,iwdc2preecma04:2183 >>>>> sessionTimeout=4000 >>>>> watcher=org.apache.manifoldcf.core.lockmanager.ZooKeeperConnection$ZooKeeperWatcher@51d83fd7 >>>>> >>>>> [http-bio-80-exec-2-SendThread(iwdc2preecma04.iwater.ie:2182)] INFO >>>>> org.apache.zookeeper.ClientCnxn - Opening socket connection to server >>>>> iwdc2preecma04.iwater.ie/10.231.72.25:2182. Will not attempt to >>>>> authenticate using SASL (unknown error) >>>>> >>>>> [http-bio-80-exec-2-SendThread(iwdc2preecma04.iwater.ie:2182)] INFO >>>>> org.apache.zookeeper.ClientCnxn - Socket connection established to >>>>> iwdc2preecma04.iwater.ie/10.231.72.25:2182, initiating session >>>>> >>>>> [http-bio-80-exec-2-SendThread(iwdc2preecma04.iwater.ie:2182)] WARN >>>>> org.apache.zookeeper.ClientCnxn - Session 0x0 for server >>>>> iwdc2preecma04.iwater.ie/10.231.72.25:2182, unexpected error, closing >>>>> socket connection and attempting reconnect >>>>> >>>>> java.io.IOException: Connection reset by peer >>>>> >>>>> at sun.nio.ch.FileDispatcherImpl.read0(Native Method) >>>>> >>>>> at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) >>>>> >>>>> at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:225) >>>>> >>>>> at sun.nio.ch.IOUtil.read(IOUtil.java:193) >>>>> >>>>> at >>>>> sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:375) >>>>> >>>>> at >>>>> org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:68) >>>>> >>>>> at >>>>> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:355) >>>>> >>>>> at >>>>> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068) >>>>> >>>>> [http-bio-80-exec-2-SendThread(iwdc2preecma04.iwater.ie:2183)] INFO >>>>> org.apache.zookeeper.ClientCnxn - Opening socket connection to server >>>>> iwdc2preecma04.iwater.ie/10.231.72.25:2183. Will not attempt to >>>>> authenticate using SASL (unknown error) >>>>> >>>>> [http-bio-80-exec-2-SendThread(iwdc2preecma04.iwater.ie:2183)] INFO >>>>> org.apache.zookeeper.ClientCnxn - Socket connection established to >>>>> iwdc2preecma04.iwater.ie/10.231.72.25:2183, initiating session >>>>> >>>>> [http-bio-80-exec-2-SendThread(iwdc2preecma04.iwater.ie:2183)] INFO >>>>> org.apache.zookeeper.ClientCnxn - Session establishment complete on server >>>>> iwdc2preecma04.iwater.ie/10.231.72.25:2183, sessionid = >>>>> 0x6487851bd330078, negotiated timeout = 4000 >>>>> >>>>> >>>>> Below are configurations for 1. zookeeper nodes & 2. MCF nodes for >>>>> zookeeper. >>>>> >>>>> >>>>> *zoo.cfg : Same for all six zookeeper nodes.* >>>>> >>>>> >>>>> # The number of milliseconds of each tick >>>>> >>>>> tickTime=2000 >>>>> >>>>> dataDir=/app/IW/zookeeper/data/data.1 >>>>> >>>>> dataLogDir=/app/IW/zookeeper/logs/log.1 >>>>> >>>>> clientPort=2181 >>>>> >>>>> server.1=iwdc1preecma03:2888:3888 >>>>> >>>>> server.2=iwdc1preecma03:2889:3889 >>>>> >>>>> server.3=iwdc1preecma03:2890:3890 >>>>> >>>>> server.4=iwdc2preecma04:2891:3891 >>>>> >>>>> server.5=iwdc2preecma04:2892:3892 >>>>> >>>>> server.6=iwdc2preecma04:2893:3893 >>>>> >>>>> # The number of ticks that the initial >>>>> >>>>> # synchronization phase can take >>>>> >>>>> initLimit=10 >>>>> >>>>> # The number of ticks that can pass between >>>>> >>>>> # sending a request and getting an acknowledgement >>>>> >>>>> syncLimit=5 >>>>> >>>>> # the directory where the snapshot is stored. >>>>> >>>>> # do not use /tmp for storage, /tmp here is just >>>>> >>>>> # example sakes. >>>>> >>>>> #dataDir=/tmp/zookeeper >>>>> >>>>> # the port at which the clients will connect >>>>> >>>>> #clientPort=2181 >>>>> >>>>> # the maximum number of client connections. >>>>> >>>>> # increase this if you need to handle more clients >>>>> >>>>> #maxClientCnxns=60 >>>>> >>>>> # >>>>> >>>>> # Be sure to read the maintenance section of the >>>>> >>>>> # administrator guide before turning on autopurge. >>>>> >>>>> # >>>>> >>>>> # >>>>> http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance >>>>> >>>>> # >>>>> >>>>> # The number of snapshots to retain in dataDir >>>>> >>>>> autopurge.snapRetainCount=3 >>>>> >>>>> # Purge task interval in hours >>>>> >>>>> # Set to "0" to disable auto purge feature >>>>> >>>>> autopurge.purgeInterval=1 >>>>> >>>>> >>>>> >>>>> *ManifoldCF configurations : same for both ManifoldCF nodes.* >>>>> >>>>> >>>>> >>>> value="org.apache.manifoldcf.core.lockmanager.ZooKeeperLockManager"/> >>>>> >>>>> >>>> value="iwdc1preecma03:2181,iwdc1preecma03:2182,iwdc1preecma03:2183,iwdc2preecma04:2181,iwdc2preecma04:2182,iwdc2preecma04:2183"/> >>>>> >>>>> >>>> value="4000"/> >>>>> >>>>> >>>>> >>>>> *I want to know if due to above warnings/errors, will zookeeper stop >>>>> working or will zookeeper will work and these are non-failing messages, >>>>> because ManifoldCF jobs are stuck while i can see these errors.* >>>>> >>>>> Please suggest. >>>>> >>>>> Regards, >>>>> Lalit. >>>>> >>>>> >>>> >>> >>> >>> -- >>> Regards, >>> Lalit. >>> >> >> > > > -- > Regards, > Lalit. > -- Regards, Lalit. --089e01634decf5327d05031ac906 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Karl,

Along with this, i could see below er= rors in tomcat catalina.out.

Sep 15, 2014 1:06:14 PM org.apache.catalina.loader.WebappClassLoader loadClass

INFO: Illegal access: this web application instance has been stopped already.=C2= =A0 Could not load org.apache.zookeeper.server.ZooTrace.=C2=A0 The eventual following stack trace is caused by an error thrown for debugging purposes a= s well as to attempt to terminate the thread which caused the illegal access,= and has no functional impact.

java.lang.IllegalStateExc= eption

=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja= va:1612)

=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja= va:1571)

=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1115)

=C2=A0

[http-bio-80-exec-1-SendT= hread(iwdc2preecma04.iwate= r.ie:2183)] ERROR org.apache.zookeeper.ClientCnxn - from http-bio-80-exec-1-SendThread(iwdc2preecma04.iwater.ie:2183)

java.lang.NoClassDefFound= Error: org/apache/zookeeper/server/ZooTrace

=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1115)

Caused by: java.lang.ClassNotFoundException: org.apache.zookeeper.server.ZooTrace

=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja= va:1720)

=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja= va:1571)

=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0 ... 1 more

[http-bio-80-exec-1-SendT= hread(iwdc2preecma04.iwate= r.ie:2182)] ERROR org.apache.zookeeper.ClientCnxn - from http-bio-80-exec-1-SendThread(iwdc2preecma04.iwater.ie:2182)

Sep 15, 2014 1:06:14 PM org.apache.coyote.AbstractProtocol destroy

INFO: Destroying ProtocolHandler ["http-bio-80"]

java.lang.NoClassDefFound= Error: org/apache/zookeeper/server/ZooTrace


Regards.

On Mon, Sep 15, 2014 at 7:05 PM, lalit jangra = <lalit.j.j= angra@gmail.com> wrote:
Thanks Karl,

While crawling is very sl= ow, its taking long so a bit of frustrating and as i have multiple high vol= ume jobs that too in parallel, it does not seem to be a good thing.

=
I have also raised it on Zookeeper forums @ http://zookeeper-user.578899.n2.nabble.com/Getting-err= ors-in-zookeeper-logs-td7580260.html but waiting for reply.

Rega= rds.

On Mon, Sep 15, 2014 at 6:51 PM, Karl Wright <daddyw= ri@gmail.com> wrote:
HI Lalit,

When MCF cannot reach zook= eeper, MCF crawls will pause until the zookeeper connections are reestablis= hed.=C2=A0 Then the crawls should resume.=C2=A0 This should *not* abort you= r crawls, but it will make them very slow.

I am not a zookeepe= r expert, so I would post on their message boards to see if there is any ad= justment that can be made to zookeeper parameters that would improve zookee= per behavior when you have a flaky network.=C2=A0 However, since the obviou= s solution is to fix your network, they may not have a code solution for yo= u.

Thanks,
Karl


On Mon, Sep 15, 2014 at 9:15 AM, lali= t jangra <lalit.j.jangra@gmail.com> wrote:
Thanks Karl,

Ideally resetting connections should be taken care by zookeeper itself as= i could see re-establishment of connections later in logs.

Can you suggest any way to overcome this in addition to network issue re= solution as my crawls are not working again and again? Anything in config f= iles etc.?

Regards.


On Mon, Sep 15= , 2014 at 6:39 PM, Karl Wright <daddywri@gmail.com> wrote:<= br>
Hi Lalit,

Zookeep= er will keep working, but you should understand that you are dropping conne= ctions to your zookeeper members for unknown reasons, which is causing your= crawl to stall when it happens.=C2=A0 This argues that perhaps you have so= me network flakiness of some kind.

Kar= l


On Mon, Sep 15, 2014 at 8:59 AM, lalit jangra <lalit.j.jangra@gmail.com> wrote:

Hi,

I am running cluster of two Apache ManifoldCF node= s on two separate machines each of which having 3 zookeeper instances (tota= l 6 instances in cluster). When i am running up manifoldCF agents, i see be= low warning during startup.

[http-bio-80-exec-2-SendThread(= iwdc1pre= ecma03.iwater.ie:2181)] INFO org.apache.zookeeper.ClientCnxn - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect

[http-bio-80-exec-2-SendThread(= iwdc2pre= ecma04.iwater.ie:2182)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server iwdc2preecma04.iwater.ie/10.231.72.25:2182. Will not attempt to au= thenticate using SASL (unknown error)



Also i could see below error in logs in while agents are= running.

[http-bio-80-exec-2] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=3Diwdc1preecma03:2181,iwdc1preecma03:2182,iwdc1preecma03:2183= ,iwdc2preecma04:2181,iwdc2preecma04:2182,iwdc2preecma04:2183 sessionTimeout=3D4000 watcher=3Dorg.apache.manifoldcf.core.lockmanager.ZooKeeperConnection$Zo= oKeeperWatcher@51d83fd7

[http-bio-80-exec-2-SendThread(= iwdc2pre= ecma04.iwater.ie:2182)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server iwdc2preecma04.iwater.ie/10.231.72.25:2182. Will not attempt to au= thenticate using SASL (unknown error)

[http-bio-80-exec-2-SendThread(= iwdc2pre= ecma04.iwater.ie:2182)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established to iwdc2preecma04.iwater.ie/10.231.72.25:2182, initiating session

[http-bio-80-exec-2-SendThread(= iwdc2pre= ecma04.iwater.ie:2182)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server iwdc2preecma04.iwater.ie/10.231.72.25:2182, unexpected error, clos= ing socket connection and attempting reconnect

java.io.IOException: Connection reset by peer

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 at sun.nio.ch.FileDispatcherImpl.read0(Native Method)

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:225)

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 at sun.nio.ch.IOUtil.read(IOUtil.java:193)

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:375)

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:6= 8)

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.ja= va:355)

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)

[http-bio-80-exec-2-SendThread(= iwdc2pre= ecma04.iwater.ie:2183)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server iwdc2preecma04.iwater.ie/10.231.72.25:2183. Will not attempt to au= thenticate using SASL (unknown error)

[http-bio-80-exec-2-SendThread(= iwdc2pre= ecma04.iwater.ie:2183)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established to iwdc2preecma04.iwater.ie/10.231.72.25:2183, initiating session

[http-bio-80-exec-2-SendThread(= iwdc2pre= ecma04.iwater.ie:2183)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on se= rver iwdc2preecma04.iwater.ie/10.231.72.25:2183, sessionid =3D 0x648785= 1bd330078, negotiated timeout =3D 4000


Below are configurations for 1. zookeeper nodes= & 2. MCF nodes for zookeeper.


zoo.cfg :=C2=A0 Same for all six zookeeper nodes.


# The number of milliseconds of each tick

tickTime=3D2000

dataDir=3D/app/IW/zookeeper/dat= a/data.1

dataLogDir=3D/app/IW/zookeeper/= logs/log.1

clientPort=3D2181

server.1=3Diwdc1preecma03:2888:= 3888

server.2=3Diwdc1preecma03:2889:= 3889

server.3=3Diwdc1preecma03:2890:= 3890

server.4=3Diwdc2preecma04:2891:= 3891

server.5=3Diwdc2preecma04:2892:= 3892

server.6=3Diwdc2preecma04:2893:= 3893

# The number of ticks that the initial

# synchronization phase can take

initLimit=3D10

# The number of ticks that can pass between

# sending a request and getting an acknowledgement

syncLimit=3D5

# the directory where the snapshot is stored.

# do not use /tmp for storage, /tmp here is just

# example sakes.

#dataDir=3D/tmp/zookeeper

# the port at which the clients will connect

#clientPort=3D2181

# the maximum number of client connections.

# increase this if you need to handle more clients

#maxClientCnxns=3D60

#

# Be sure to read the maintenance section of the

# administrator guide before turning on autopurge.

#

# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance=

#

# The number of snapshots to retain in dataDir

autopurge.snapRetainCount=3D3

# Purge task interval in hours

# Set to "0" to disable auto purge feature

autopurge.purgeInterval=3D1


ManifoldCF configurations : same for= both ManifoldCF nodes.


<property name=3D"org.apache.manifoldcf.lockmanagerclass" value=3D"org.apache.manifoldcf.core.lockmanager.ZooKeeperLockManager&q= uot;/>

=C2=A0 <property name=3D"org.apache.manifoldcf.zookeeper.connectstring&quo= t; value=3D"iwdc1preecma03:2181,iwdc1preecma03:2182,iwdc1preecma03:2183,i= wdc2preecma04:2181,iwdc2preecma04:2182,iwdc2preecma04:2183"/>

<property name=3D"org.apache.manifoldcf.zookeeper.sessiontimeout" value=3D"4000"/>


=

I want to know if due to above warnings/errors, will zookeepe= r stop working or will zookeeper will work and these are non-failing messag= es, because ManifoldCF jobs are stuck while i can see these errors.

Please suggest.

Regards,
Lalit.





= --
Regards,
Lalit.




--
Regards,Lalit.


--
Regard= s,
Lalit.
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