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From Simon McGloin <simonmcgl...@gmail.com>
Subject Re: Problem running the PageRank example in a cluster
Date Mon, 21 Oct 2013 19:34:50 GMT
Are you sure the iptables rules were applied to all your servers? If you
run the command
sudo iptables -L
does it show the ports as open?


On Mon, Oct 21, 2013 at 8:16 PM, Andro Bermúdez Serrano <
andro.bermudez@gmail.com> wrote:

> I added this two lines:
>
> iptables -A INPUT -p tcp -m state --state NEW -m tcp --dport
> 30000:30010 -j ACCEPT
> iptables -A INPUT -p tcp -m state --state NEW -m tcp --dport 22181 -j
> ACCEPT
>
> I ran the example and the error persists.
>
>
> 2013/10/21, Claudio Martella <claudio.martella@gmail.com>:
> > Yes, that would be the reason. In addition to the ports for netty, you
> also
> > need to accept connections to Zookeeper (e.g. 22181).
> >
> >
> > On Mon, Oct 21, 2013 at 5:06 PM, Simon McGloin
> > <simonmcgloin@gmail.com>wrote:
> >
> >> Hey Andro,
> >> I believe the reason you are seeing this error is due to ports being
> >> blocked by iptables. You need to have port 30000 open for the master on
> >> all
> >> machines in your cluster. You also need to open ports 30001 up to the
> >> number of workers you will be running.
> >> So if you are running 10 workers then add the following to
> >> /etc/sysconfig/iptables
> >> -A INPUT -p tcp -m state --state NEW -m tcp --dport 30000:30010 -j
> ACCEPT
> >> Then restart iptables with:
> >> sudo service iptables restart
> >> I'm new to Giraph too so anyone please correct me if I'm wrong.
> >> Regards,
> >> Simon
> >>
> >>
> >> On Mon, Oct 21, 2013 at 3:37 PM, Andro Bermúdez Serrano <
> >> andro.bermudez@gmail.com> wrote:
> >>
> >>> Hello.
> >>> I am using Giraph 1.0.0 with hadoop 1.2.1. With the pseudo-distributed
> >>> installation of hadoop the execution was succefully. Now I am trying
> >>> to run the same example but in a cluster. So far, I can't continue
> >>> because error in tasks. The exception: java.net.ConnectException. My
> >>> experience in hadoop is almost null.
> >>>
> >>> Thanks.
> >>>
> >>> 2013-10-21 10:11:58,152 INFO org.apache.hadoop.util.NativeCodeLoader:
> >>> Loaded the native-hadoop library
> >>> 2013-10-21 10:11:58,743 WARN
> >>> org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Source name ugi
> >>> already exists!
> >>> 2013-10-21 10:11:59,431 INFO org.apache.hadoop.util.ProcessTree:
> >>> setsid exited with exit code 0
> >>> 2013-10-21 10:11:59,491 INFO org.apache.hadoop.mapred.Task:  Using
> >>> ResourceCalculatorPlugin :
> >>> org.apache.hadoop.util.LinuxResourceCalculatorPlugin@34bb5def
> >>> 2013-10-21 10:11:59,632 INFO org.apache.hadoop.mapred.MapTask:
> >>> Processing split: 'org.apache.giraph.bsp.BspInputSplit, index=-1,
> >>> num=-1
> >>> 2013-10-21 10:11:59,778 INFO org.apache.giraph.graph.GraphTaskManager:
> >>> setup: Log level remains at info
> >>> 2013-10-21 10:12:00,426 INFO org.apache.giraph.graph.GraphTaskManager:
> >>> Distributed cache is empty. Assuming fatjar.
> >>> 2013-10-21 10:12:00,454 INFO org.apache.giraph.graph.GraphTaskManager:
> >>> setup: classpath @
> >>>
> >>>
> /app/hadoop/tmp/mapred/local/taskTracker/hadoop-user/jobcache/job_201310210926_0004/jars/job.jar
> >>> for job Giraph: org.apache.giraph.examples.SimplePageRankVertex
> >>> 2013-10-21 10:12:03,054 INFO org.apache.giraph.zk.ZooKeeperManager:
> >>> createCandidateStamp: Made the directory
> >>> _bsp/_defaultZkManagerDir/job_201310210926_0004
> >>> 2013-10-21 10:12:03,564 INFO org.apache.giraph.zk.ZooKeeperManager:
> >>> createCandidateStamp: Creating my filestamp
> >>> _bsp/_defaultZkManagerDir/job_201310210926_0004/_task/hdnode01 0
> >>> 2013-10-21 10:12:06,635 INFO org.apache.giraph.zk.ZooKeeperManager:
> >>> getZooKeeperServerList: Got [hdnode02, hdnode01] 2 hosts from 2
> >>> candidates when 1 required (polling period is 3000) on attempt 0
> >>> 2013-10-21 10:12:06,635 INFO org.apache.giraph.zk.ZooKeeperManager:
> >>> createZooKeeperServerList: Creating the final ZooKeeper file
> >>> '_bsp/_defaultZkManagerDir/job_201310210926_0004/zkServerList_hdnode02
> >>> 1 '
> >>> 2013-10-21 10:12:10,754 INFO org.apache.giraph.zk.ZooKeeperManager:
> >>> getZooKeeperServerList: For task 0, got file 'zkServerList_hdnode02 1
> >>> ' (polling period is 3000)
> >>> 2013-10-21 10:12:10,754 INFO org.apache.giraph.zk.ZooKeeperManager:
> >>> getZooKeeperServerList: Found [hdnode02, 1] 2 hosts in filename
> >>> 'zkServerList_hdnode02 1 '
> >>> 2013-10-21 10:12:10,757 INFO org.apache.giraph.zk.ZooKeeperManager:
> >>> onlineZooKeeperSErvers: Empty directory
> >>> _bsp/_defaultZkManagerDir/job_201310210926_0004/_zkServer, waiting
> >>> 3000 msecs.
> >>> 2013-10-21 10:12:13,760 INFO org.apache.giraph.zk.ZooKeeperManager:
> >>> onlineZooKeeperServers: Got [hdnode02] 1 hosts from 1 ready servers
> >>> when 1 required (polling period is 3000) on attempt 1
> >>> 2013-10-21 10:12:13,783 INFO org.apache.giraph.graph.GraphTaskManager:
> >>> setup: Starting up BspServiceWorker...
> >>> 2013-10-21 10:12:13,811 INFO org.apache.giraph.bsp.BspService:
> >>> BspService: Connecting to ZooKeeper with job job_201310210926_0004, 0
> >>> on hdnode02:22181
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:zookeeper.version=3.3.3-1073969, built on 02/23/2011 22:27
> >>> GMT
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:host.name=hdnode01
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:java.version=1.7.0_25
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:java.vendor=Oracle Corporation
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:java.home=/usr/lib/jvm/java-7-openjdk-amd64/jre
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>>
> >>>
> environment:java.class.path=/app/hadoop/tmp/mapred/local/taskTracker/hadoop-user/jobcache/job_201310210926_0004/jars/classes:/app/hadoop/tmp/mapred/local/taskTracker/hadoop-user/jobcache/job_201310210926_0004/jars:/app/hadoop/tmp/mapred/local/taskTracker/hadoop-user/jobcache/job_201310210926_0004/attempt_201310210926_0004_m_000000_0/work:/usr/local/hadoop/libexec/../conf:/usr/lib/jvm/java-7-openjdk-amd64/lib/tools.jar:/usr/local/hadoop/libexec/..:/usr/local/hadoop/libexec/../hadoop-core-1.2.1.jar:/usr/local/hadoop/libexec/../lib/asm-3.2.jar:/usr/local/hadoop/libexec/../lib/aspectjrt-1.6.11.jar:/usr/local/hadoop/libexec/../lib/aspectjtools-1.6.11.jar:/usr/local/hadoop/libexec/../lib/commons-beanutils-1.7.0.jar:/usr/local/hadoop/libexec/../lib/commons-beanutils-core-1.8.0.jar:/usr/local/hadoop/libexec/../lib/commons-cli-1.2.jar:/usr/local/hadoop/libexec/../lib/commons-codec-1.4.jar:/usr/local/hadoop/libexec/../lib/commons-collections-3.2.1.jar:/usr/local/hadoop/libexec/../lib/commons-configuration-1.6.jar:/usr/local/hadoop/libexec/../lib/commons-daemon-1.0.1.jar:/usr/local/hadoop/libexec/../lib/commons-digester-1.8.jar:/usr/local/hadoop/libexec/../lib/commons-el-1.0.jar:/usr/local/hadoop/libexec/../lib/commons-httpclient-3.0.1.jar:/usr/local/hadoop/libexec/../lib/commons-io-2.1.jar:/usr/local/hadoop/libexec/../lib/commons-lang-2.4.jar:/usr/local/hadoop/libexec/../lib/commons-logging-1.1.1.jar:/usr/local/hadoop/libexec/../lib/commons-logging-api-1.0.4.jar:/usr/local/hadoop/libexec/../lib/commons-math-2.1.jar:/usr/local/hadoop/libexec/../lib/commons-net-3.1.jar:/usr/local/hadoop/libexec/../lib/core-3.1.1.jar:/usr/local/hadoop/libexec/../lib/hadoop-capacity-scheduler-1.2.1.jar:/usr/local/hadoop/libexec/../lib/hadoop-fairscheduler-1.2.1.jar:/usr/local/hadoop/libexec/../lib/hadoop-thriftfs-1.2.1.jar:/usr/local/hadoop/libexec/../lib/hsqldb-1.8.0.10.jar:/usr/local/hadoop/libexec/../lib/jackson-core-asl-1.8.8.jar:/usr/local/hadoop/libexec/../lib/jackson-mapper-asl-1.8.8.jar:/usr/local/hadoop/libexec/../lib/jasper-compiler-5.5.12.jar:/usr/local/hadoop/libexec/../lib/jasper-runtime-5.5.12.jar:/usr/local/hadoop/libexec/../lib/jdeb-0.8.jar:/usr/local/hadoop/libexec/../lib/jersey-core-1.8.jar:/usr/local/hadoop/libexec/../lib/jersey-json-1.8.jar:/usr/local/hadoop/libexec/../lib/jersey-server-1.8.jar:/usr/local/hadoop/libexec/../lib/jets3t-0.6.1.jar:/usr/local/hadoop/libexec/../lib/jetty-6.1.26.jar:/usr/local/hadoop/libexec/../lib/jetty-util-6.1.26.jar:/usr/local/hadoop/libexec/../lib/jsch-0.1.42.jar:/usr/local/hadoop/libexec/../lib/junit-4.5.jar:/usr/local/hadoop/libexec/../lib/kfs-0.2.2.jar:/usr/local/hadoop/libexec/../lib/log4j-1.2.15.jar:/usr/local/hadoop/libexec/../lib/mockito-all-1.8.5.jar:/usr/local/hadoop/libexec/../lib/oro-2.0.8.jar:/usr/local/hadoop/libexec/../lib/servlet-api-2.5-20081211.jar:/usr/local/hadoop/libexec/../lib/slf4j-api-1.4.3.jar:/usr/local/hadoop/libexec/../lib/slf4j-log4j12-1.4.3.jar:/usr/local/hadoop/libexec/../lib/xmlenc-0.52.jar:/usr/local/hadoop/libexec/../lib/jsp-2.1/jsp-2.1.jar:/usr/local/hadoop/libexec/../lib/jsp-2.1/jsp-api-2.1.jar
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>>
> >>>
> environment:java.library.path=/usr/local/hadoop/libexec/../lib/native/Linux-amd64-64:/app/hadoop/tmp/mapred/local/taskTracker/hadoop-user/jobcache/job_201310210926_0004/attempt_201310210926_0004_m_000000_0/work
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>>
> >>>
> environment:java.io.tmpdir=/app/hadoop/tmp/mapred/local/taskTracker/hadoop-user/jobcache/job_201310210926_0004/attempt_201310210926_0004_m_000000_0/work/tmp
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:java.compiler=<NA>
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:os.name=Linux
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:os.arch=amd64
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:os.version=3.8.0-32-generic
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:user.name=hadoop-user
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>> environment:user.home=/home/hadoop-user
> >>> 2013-10-21 10:12:13,820 INFO org.apache.zookeeper.ZooKeeper: Client
> >>>
> >>>
> environment:user.dir=/app/hadoop/tmp/mapred/local/taskTracker/hadoop-user/jobcache/job_201310210926_0004/attempt_201310210926_0004_m_000000_0/work
> >>> 2013-10-21 10:12:13,821 INFO org.apache.zookeeper.ZooKeeper:
> >>> Initiating client connection, connectString=hdnode02:22181
> >>> sessionTimeout=60000
> >>> watcher=org.apache.giraph.worker.BspServiceWorker@54bf0a6b
> >>> 2013-10-21 10:12:13,861 INFO org.apache.zookeeper.ClientCnxn: Opening
> >>> socket connection to server hdnode02/172.24.10.72:22181
> >>> 2013-10-21 10:12:13,870 INFO org.apache.zookeeper.ClientCnxn: Socket
> >>> connection established to hdnode02/172.24.10.72:22181, initiating
> >>> session
> >>> 2013-10-21 10:12:13,999 INFO org.apache.zookeeper.ClientCnxn: Session
> >>> establishment complete on server hdnode02/172.24.10.72:22181,
> >>> sessionid = 0x141db5bd0d70000, negotiated timeout = 600000
> >>> 2013-10-21 10:12:14,001 INFO org.apache.giraph.bsp.BspService:
> >>> process: Asynchronous connection complete.
> >>> 2013-10-21 10:12:14,009 INFO
> >>> org.apache.giraph.comm.netty.NettyWorkerServer:
> >>> createMessageStoreFactory: Using ByteArrayMessagesPerVertexStore since
> >>> there is no combiner
> >>> 2013-10-21 10:12:14,216 INFO org.apache.giraph.comm.netty.NettyServer:
> >>> NettyServer: Using execution handler with 8 threads after
> >>> requestFrameDecoder.
> >>> 2013-10-21 10:12:14,369 INFO org.apache.giraph.comm.netty.NettyServer:
> >>> start: Started server communication server:
> >>> hdnode01/172.24.9.185:30000 with up to 16 threads on bind attempt 0
> >>> with sendBufferSize = 32768 receiveBufferSize = 524288 backlog = 1
> >>> 2013-10-21 10:12:14,376 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> NettyClient: Using execution handler with 8 threads after
> >>> requestEncoder.
> >>> 2013-10-21 10:12:14,388 INFO org.apache.giraph.graph.GraphTaskManager:
> >>> setup: Registering health of this worker...
> >>> 2013-10-21 10:12:14,637 INFO org.apache.giraph.bsp.BspService:
> >>> process: applicationAttemptChanged signaled
> >>> 2013-10-21 10:12:14,788 WARN org.apache.giraph.bsp.BspService:
> >>> process: Unknown and unprocessed event
> >>>
> >>>
> (path=/_hadoopBsp/job_201310210926_0004/_applicationAttemptsDir/0/_superstepDir,
> >>> type=NodeChildrenChanged, state=SyncConnected)
> >>> 2013-10-21 10:12:14,811 INFO
> >>> org.apache.giraph.worker.BspServiceWorker: registerHealth: Created my
> >>> health node for attempt=0, superstep=-1 with
> >>>
> >>>
> /_hadoopBsp/job_201310210926_0004/_applicationAttemptsDir/0/_superstepDir/-1/_workerHealthyDir/hdnode01_0
> >>> and workerInfo= Worker(hostname=hdnode01, MRtaskID=0, port=30000)
> >>> 2013-10-21 10:12:15,568 INFO org.apache.giraph.comm.netty.NettyServer:
> >>> start: Using Netty without authentication.
> >>> 2013-10-21 10:12:15,637 INFO org.apache.giraph.bsp.BspService:
> >>> process: partitionAssignmentsReadyChanged (partitions are assigned)
> >>> 2013-10-21 10:12:15,654 INFO
> >>> org.apache.giraph.worker.BspServiceWorker: startSuperstep:
> >>> Master(hostname=hdnode02, MRtaskID=1, port=30001)
> >>> 2013-10-21 10:12:15,654 INFO
> >>> org.apache.giraph.worker.BspServiceWorker: startSuperstep: Ready for
> >>> computation on superstep -1 since worker selection and vertex range
> >>> assignments are done in
> >>>
> >>>
> /_hadoopBsp/job_201310210926_0004/_applicationAttemptsDir/0/_superstepDir/-1/_addressesAndPartitions
> >>> 2013-10-21 10:12:15,656 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> Using Netty without authentication.
> >>> 2013-10-21 10:12:15,671 WARN org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Future failed to connect with
> >>> hdnode02/172.24.10.72:30001 with 0 failures because of
> >>> java.net.ConnectException: Connection refused
> >>> 2013-10-21 10:12:15,671 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> Using Netty without authentication.
> >>> 2013-10-21 10:12:15,672 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Successfully added 0 connections, (0 total
> >>> connected) 1 failed, 1 failures total.
> >>> 2013-10-21 10:12:15,677 WARN org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Future failed to connect with
> >>> hdnode02/172.24.10.72:30001 with 1 failures because of
> >>> java.net.ConnectException: Connection refused
> >>> 2013-10-21 10:12:15,677 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> Using Netty without authentication.
> >>> 2013-10-21 10:12:15,677 WARN
> >>> org.apache.giraph.comm.netty.handler.ResponseClientHandler:
> >>> exceptionCaught: Channel failed with remote address null
> >>> java.net.ConnectException: Connection refused
> >>>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >>>         at
> >>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:404)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> >>>         at java.lang.Thread.run(Thread.java:724)
> >>> 2013-10-21 10:12:15,681 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Successfully added 0 connections, (0 total
> >>> connected) 1 failed, 2 failures total.
> >>> 2013-10-21 10:12:15,682 WARN org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Future failed to connect with
> >>> hdnode02/172.24.10.72:30001 with 2 failures because of
> >>> java.net.ConnectException: Connection refused
> >>> 2013-10-21 10:12:15,682 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> Using Netty without authentication.
> >>> 2013-10-21 10:12:15,684 WARN
> >>> org.apache.giraph.comm.netty.handler.ResponseClientHandler:
> >>> exceptionCaught: Channel failed with remote address null
> >>> java.net.ConnectException: Connection refused
> >>>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >>>         at
> >>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:404)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> >>>         at java.lang.Thread.run(Thread.java:724)
> >>> 2013-10-21 10:12:15,686 WARN
> >>> org.apache.giraph.comm.netty.handler.ResponseClientHandler:
> >>> exceptionCaught: Channel failed with remote address null
> >>> java.net.ConnectException: Connection refused
> >>>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >>>         at
> >>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:404)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> >>>         at java.lang.Thread.run(Thread.java:724)
> >>> 2013-10-21 10:12:15,687 WARN
> >>> org.apache.giraph.comm.netty.handler.ResponseClientHandler:
> >>> exceptionCaught: Channel failed with remote address null
> >>> java.net.ConnectException: Connection refused
> >>>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >>>         at
> >>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:404)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> >>>         at java.lang.Thread.run(Thread.java:724)
> >>> 2013-10-21 10:12:15,686 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Successfully added 0 connections, (0 total
> >>> connected) 1 failed, 3 failures total.
> >>> 2013-10-21 10:12:15,688 WARN org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Future failed to connect with
> >>> hdnode02/172.24.10.72:30001 with 3 failures because of
> >>> java.net.ConnectException: Connection refused
> >>> 2013-10-21 10:12:15,688 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> Using Netty without authentication.
> >>> 2013-10-21 10:12:15,688 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Successfully added 0 connections, (0 total
> >>> connected) 1 failed, 4 failures total.
> >>> 2013-10-21 10:12:15,689 WARN org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Future failed to connect with
> >>> hdnode02/172.24.10.72:30001 with 4 failures because of
> >>> java.net.ConnectException: Connection refused
> >>> 2013-10-21 10:12:15,689 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> Using Netty without authentication.
> >>> 2013-10-21 10:12:15,690 WARN
> >>> org.apache.giraph.comm.netty.handler.ResponseClientHandler:
> >>> exceptionCaught: Channel failed with remote address null
> >>> java.net.ConnectException: Connection refused
> >>>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >>>         at
> >>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:404)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> >>>         at java.lang.Thread.run(Thread.java:724)
> >>> 2013-10-21 10:12:15,690 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Successfully added 0 connections, (0 total
> >>> connected) 1 failed, 5 failures total.
> >>> 2013-10-21 10:12:15,692 WARN org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Future failed to connect with
> >>> hdnode02/172.24.10.72:30001 with 5 failures because of
> >>> java.net.ConnectException: Connection refused
> >>> 2013-10-21 10:12:15,692 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> Using Netty without authentication.
> >>> 2013-10-21 10:12:15,692 WARN
> >>> org.apache.giraph.comm.netty.handler.ResponseClientHandler:
> >>> exceptionCaught: Channel failed with remote address null
> >>> java.net.ConnectException: Connection refused
> >>>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >>>         at
> >>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:404)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> >>>         at java.lang.Thread.run(Thread.java:724)
> >>> 2013-10-21 10:12:15,693 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Successfully added 0 connections, (0 total
> >>> connected) 1 failed, 6 failures total.
> >>> 2013-10-21 10:12:15,693 WARN org.apache.giraph.comm.netty.NettyClient:
> >>> connectAllAddresses: Future failed to connect with
> >>> hdnode02/172.24.10.72:30001 with 6 failures because of
> >>> java.net.ConnectException: Connection refused
> >>> 2013-10-21 10:12:15,693 INFO org.apache.giraph.comm.netty.NettyClient:
> >>> Using Netty without authentication.
> >>> 2013-10-21 10:12:15,694 WARN
> >>> org.apache.giraph.comm.netty.handler.ResponseClientHandler:
> >>> exceptionCaught: Channel failed with remote address null
> >>> java.net.ConnectException: Connection refused
> >>>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >>>         at
> >>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:404)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366)
> >>>         at
> >>>
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> >>>         at
> >>>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> >>>         at java.lang.Thread.run(Thread.java:724)
> >>>
> >>
> >>
> >
> >
> > --
> >    Claudio Martella
> >    claudio.martella@gmail.com
> >
>

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