On Tue, Jan 17, 2012 at 6:19 PM, Ted Dunning <[email protected]> wrote: > I think that Pat is right: > > 1835955314 = 6D6E7472 = 'mntr' >
Nice. :-) "mntr" is new in 3.4, it's not available/known in 3.3 http://zookeeper.apache.org/doc/r3.4.2/zookeeperAdmin.html#sc_zkCommands Patrick > On Wed, Jan 18, 2012 at 2:00 AM, Patrick Hunt <[email protected]> wrote: > >> Hi Alexius, it looks like localhost (127.0.0.1) is making a socket >> connection and then sending a request with a supposed size of 1.8GB. >> (the first 4 bytes of each zk request are the length) >> >> It's likely that this is a "4letterword" attempt gone wrong (or some >> other host incorrectly pinging this port). Which application are you >> pointing at the ZK server's client port? Could this be an invalid >> monitoring request? (say someone trying to do a "stat" but spelling it >> wrong?) >> >> Patrick >> >> On Tue, Jan 17, 2012 at 5:00 PM, Alexius Ludeman <[email protected]> >> wrote: >> > hi, >> > >> > I am getting the error from all 5 zookeeperd, "Exception causing close of >> > session 0x0 due to java.io.IOException: Len error 1835955314" every >> > microsecond(?). >> > >> > I have a 5 node cluster on ubuntu maverick in aws. I've backported >> > zookeeperd and now am running 3.3.4+dfsg1-1. My apps are >> > using zookeeper-3.3.3.jar, but within the next 3-4 weeks I will be >> > upgrading to zookeeper-3.3.4.jar. This problem also existed with >> > zookeeperd on 3.3.3, in hopes of upgrading would solve my problem. >> > >> > I have stopped the whole world, rm -rf /var/lib/zookeeper and restarted >> > without any change to this log message. I have several other >> environments >> > without this error showing, same versions of client and server but only 3 >> > zookeeperd, and much fewer clients. >> > >> > Our use of zookeeper is: appName is a key and the value is a server:port. >> > After the app reads in its required appName(s), it puts watches on these >> > appNames looking for changes. So we have a bunch of apps with many >> > watches. The client count is below. >> > >> > I would be grateful if anyone has some insight on how to debug further. >> > >> > thanks >> > lex >> > >> > zookeeper-0.p2:/var/log/zookeeper/zookeeper.log: >> > >> > 2012-01-17 22:23:59,097 - INFO [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn$Factory@251][] - Accepted socket >> > connection from /127.0.0.1:38653 >> > 2012-01-17 22:23:59,097 - INFO [Thread-2309197:NIOServerCnxn@1435][] - >> > Closed socket connection for client /127.0.0.1:38652 (no session >> > established for client) >> > 2012-01-17 22:23:59,097 - WARN [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn@639][] - Exception causing close of >> > session 0x0 due to java.io.IOException: Len error 1835955314 >> > 2012-01-17 22:23:59,097 - INFO [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1435][] - Closed socket connection >> for >> > client /127.0.0.1:38653 (no session established for client) >> > 2012-01-17 22:23:59,098 - INFO [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn$Factory@251][] - Accepted socket >> > connection from /127.0.0.1:38654 >> > 2012-01-17 22:23:59,098 - INFO [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1237][] - Processing stat command >> from / >> > 127.0.0.1:38654 >> > 2012-01-17 22:23:59,098 - INFO >> > [Thread-2309198:NIOServerCnxn$StatCommand@1153][] - Stat command output >> > 2012-01-17 22:23:59,098 - INFO [Thread-2309198:NIOServerCnxn@1435][] - >> > Closed socket connection for client /127.0.0.1:38654 (no session >> > established for client) >> > 2012-01-17 22:23:59,098 - INFO [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn$Factory@251][] - Accepted socket >> > connection from /127.0.0.1:38655 >> > 2012-01-17 22:23:59,099 - WARN [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn@639][] - Exception causing close of >> > session 0x0 due to java.io.IOException: Len error 1835955314 >> > 2012-01-17 22:23:59,099 - INFO [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1435][] - Closed socket connection >> for >> > client /127.0.0.1:38655 (no session established for client) >> > 2012-01-17 22:23:59,099 - INFO [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn$Factory@251][] - Accepted socket >> > connection from /127.0.0.1:38656 >> > 2012-01-17 22:23:59,099 - INFO [NIOServerCxn.Factory: >> > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1237][] - Processing stat command >> from / >> > 127.0.0.1:38656 >> > >> > >> > Connected to zookeeper-0.p2 >> > envi >> > >> > Environment: >> > zookeeper.version=3.3.4--1, built on 12/09/2011 00:03 GMT >> > host.name=zookeeper-0.p2.use.color.internal >> > java.version=1.6.0_20 >> > java.vendor=Sun Microsystems Inc. >> > java.home=/usr/lib/jvm/java-6-openjdk/jre >> > >> java.class.path=/etc/zookeeper/conf:/usr/share/java/jline.jar:/usr/share/java/log4j-1.2.jar:/usr/share/java/xercesImpl.jar:/usr/share/java/xmlParserAPIs.jar:/usr/share/java/zookeeper.jar >> > >> java.library.path=/usr/lib/jvm/java-6-openjdk/jre/lib/amd64/server:/usr/lib/jvm/java-6-openjdk/jre/lib/amd64:/usr/lib/jvm/java-6-openjdk/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib/jni:/lib:/usr/lib >> > java.io.tmpdir=/tmp >> > java.compiler=<NA> >> > os.name=Linux >> > os.arch=amd64 >> > os.version=2.6.35-24-virtual >> > user.name=zookeeper >> > user.home=/var/lib/zookeeper >> > user.dir=/ >> > >> > Trying 10.118.145.79...Connected to zookeeper-0.p2 >> > stats >> > >> > Zookeeper version: 3.3.4--1, built on 12/09/2011 00:03 GMT >> > Clients: >> > /10.40.50.163:45526[1](queued=0,recved=2819,sent=2820) >> > /10.124.143.97:46512[0](queued=0,recved=1,sent=0) >> > /10.40.37.34:33308[1](queued=0,recved=2795,sent=2796) >> > /10.205.49.18:35339[1](queued=0,recved=2671,sent=2672) >> > /10.205.49.18:42419[1](queued=0,recved=2718,sent=2719) >> > /10.80.82.184:43535[1](queued=0,recved=2819,sent=2820) >> > /10.84.133.213:52533[1](queued=0,recved=2817,sent=2844) >> > >> > Latency min/avg/max: 0/0/200 >> > Received: 7330810 >> > Sent: 7331408 >> > Outstanding: 0 >> > Zxid: 0x100014e31 >> > Mode: follower >> > Node count: 197 >> > >> > Trying 10.34.37.214...Connected to zookeeper-1.p2 >> > stat >> > >> > Zookeeper version: 3.3.4--1, built on 12/09/2011 00:03 GMT >> > Clients: >> > /10.79.6.245:38198[1](queued=0,recved=2680,sent=2681) >> > /10.98.119.91:37301[1](queued=0,recved=2689,sent=2690) >> > /10.79.35.125:59744[1](queued=0,recved=2681,sent=2682) >> > /10.39.81.28:38047[1](queued=0,recved=2666,sent=2667) >> > /10.124.143.97:48969[0](queued=0,recved=1,sent=0) >> > >> > Latency min/avg/max: 0/0/81 >> > Received: 4984011 >> > Sent: 4984267 >> > Outstanding: 0 >> > Zxid: 0x100014e31 >> > Mode: follower >> > Node count: 197 >> > >> > Trying 10.38.85.114...Connected to zookeeper-2.p2 >> > >> > stat >> > Zookeeper version: 3.3.4--1, built on 12/09/2011 00:03 GMT >> > Clients: >> > /10.84.133.213:51499[1](queued=0,recved=2655,sent=2656) >> > /10.124.143.97:39412[0](queued=0,recved=1,sent=0) >> > /10.39.81.28:56431[1](queued=0,recved=2715,sent=2716) >> > /10.204.183.195:40180[1](queued=0,recved=2664,sent=2665) >> > /10.32.51.156:59390[1](queued=0,recved=2634,sent=2635) >> > /10.79.6.245:42161[1](queued=0,recved=2731,sent=2732) >> > /10.118.14.138:40355[1](queued=0,recved=2643,sent=2644) >> > >> > Latency min/avg/max: 0/0/33 >> > Received: 6650278 >> > Sent: 6651369 >> > Outstanding: 0 >> > Zxid: 0x100014e31 >> > Mode: leader >> > Node count: 197 >> > >> > Trying 10.101.42.61...Connected to zookeeper-3.p2 >> > >> > stat >> > Zookeeper version: 3.3.4--1, built on 12/09/2011 00:03 GMT >> > Clients: >> > /10.204.230.212:57523[1](queued=0,recved=2719,sent=2720) >> > /10.85.19.23:52916[1](queued=0,recved=2836,sent=2837) >> > /10.79.35.125:54742[1](queued=0,recved=2734,sent=2735) >> > /10.124.143.97:60909[0](queued=0,recved=1,sent=0) >> > /10.204.230.212:57918[1](queued=0,recved=2674,sent=2675) >> > /10.100.90.101:35977[1](queued=0,recved=2680,sent=2681) >> > /10.98.119.91:42147[1](queued=0,recved=2745,sent=2746) >> > >> > Latency min/avg/max: 0/0/123 >> > Received: 8430215 >> > Sent: 8430724 >> > Outstanding: 0 >> > Zxid: 0x100014e31 >> > Mode: follower >> > Node count: 197 >> > >> > Trying 10.204.59.55...Connected to zookeeper-4.p2 >> > >> > stat >> > Zookeeper version: 3.3.4--1, built on 12/09/2011 00:03 GMT >> > Clients: >> > /10.100.90.101:34437[1](queued=0,recved=2728,sent=2729) >> > /10.204.183.195:49961[1](queued=0,recved=2706,sent=2707) >> > /10.124.143.97:34797[0](queued=0,recved=1,sent=0) >> > >> > Latency min/avg/max: 0/0/19 >> > Received: 46410 >> > Sent: 46411 >> > Outstanding: 0 >> > Zxid: 0x100014e31 >> > Mode: follower >> > Node count: 197 >>
