If you have separate zookeeper running no need to specify in hbase settings...
On Thu, Jun 7, 2012 at 8:12 PM, Manu S <[email protected]> wrote: > Hi Tariq, > > Version: HBase-0.90.4 > I downloaded commons-configuration-1.6.jar and put it inside HBASE_HOME/lib > & HADOOP_HOME/lib(In pseudo distributed) and tested. > > *hbase(main):002:0> status > 12/06/07 19:59:59 FATAL zookeeper.ZKConfig: The server in zoo.cfg cannot be > set to localhost in a fully-distributed setup because it won't be > reachable. See "Getting Started" for more information. > > ERROR: org.apache.hadoop.hbase.ZooKeeperConnectionException: HBase is able > to connect to ZooKeeper but the connection closes immediately. This could > be a sign that the server has too many connections (30 is the default). > Consider inspecting your ZK server logs for that error and then make sure > you are reusing HBaseConfiguration as often as you can. See HTable's > javadoc for more information.* > > Is this common-configuration version is compatible for hbase-0.90.4? > > > > @Shashwat: > Thank you!! > Some parameters are missing in my hbase configuration, I will add these and > test. The zookeeper parameters I already added in zoo.cfg. Is that enough > or do I need to add once again in hbase configuration? > > Thanks, > Manu S > > > On Thu, Jun 7, 2012 at 7:11 PM, shashwat shriparv < > [email protected] > > wrote: > > > Try this settings check what you have and what you dont have in the > > configuration : > > > > > > *<configuration>* > > *<property>* > > *<name>hbase.rootdir</name>* > > *<value>hdfs://{your machine name} or {localhost}:9000/hbase</value>* > > *</property>* > > *<property>* > > *<name>hbase.master</name>* > > *<value>{your machine name} or {localhost}:60000</value>* > > *<description>The host and port that the HBase master runs > > at.</description> > > * > > *</property>* > > *<property>* > > *<name>hbase.regionserver.port</name>* > > *<value>60020</value>* > > *<description>The host and port that the HBase master runs > > at.</description> > > * > > *</property>* > > *<!--<property>* > > *<name>hbase.master.port</name>* > > *<value>60000</value>* > > *<description>The host and port that the HBase master runs > > at.</description> > > * > > *</property>-->* > > *<property>* > > *<name>hbase.cluster.distributed</name>* > > *<value>true</value>* > > *</property>* > > *<property>* > > *<name>hbase.tmp.dir</name>* > > *<value>/home/shashwat/Hadoop/hbase-0.90.4/temp</value>* > > *</property>* > > *<property>* > > *<name>hbase.zookeeper.quorum</name>* > > *<value>{your machine name} or {localhost}</value>* > > *</property>* > > *<property>* > > *<name>dfs.replication</name>* > > *<value>1</value>* > > *</property>* > > *<property>* > > *<name>hbase.zookeeper.property.clientPort</name>* > > *<value>2181</value>* > > *<description>Property from ZooKeeper's config zoo.cfg.* > > *The port at which the clients will connect.* > > *</description>* > > *</property>* > > *<property>* > > *<name>hbase.zookeeper.property.dataDir</name>* > > *<value>/home/shashwat/zookeeper</value>* > > *<description>Property from ZooKeeper's config zoo.cfg.* > > *The directory where the snapshot is stored.* > > *</description>* > > *</property>* > > * > > * > > * > > * > > *<property>* > > * <name>zookeeper.session.timeout</name>* > > * <value>18000000</value>* > > * <description>Session Time out.</description>* > > * </property>* > > * <property>* > > * <name>hbase.client.scanner.caching</name>* > > * <value>5000</value>* > > * </property>* > > *<property>* > > *<name>hbase.regionserver.lease.period</name>* > > *<value>2400000</value>* > > *</property>* > > > > > > > > > > Thanx and regards > > > > ∞ > > Shashwat Shriparv > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Thu, Jun 7, 2012 at 3:16 PM, Mohammad Tariq <[email protected]> > wrote: > > > > > which distribution are you using??actually this is not possible..it > > > must be there..download it put it there > > > > > > Regards, > > > Mohammad Tariq > > > > > > > > > On Thu, Jun 7, 2012 at 2:41 PM, Manu S <[email protected]> wrote: > > > > Hi Tariq, > > > > > > > > Thank you!! > > > > I already changed the maxClientCnxns to 1000. > > > > Also we have set CLASSPATH that includes all the Hadoop,HBase & > > Zookeper > > > > path's. I think copying hadoop .jar files to Hbase lib folder is the > > same > > > > affect of setting CLASSPATH with all the folders. > > > > There is no commons-configuration-*.jar inside hadoop/lib folder. > > > > > > > > Any other options? > > > > > > > > Thanks, > > > > Manu S > > > > > > > > On Thu, Jun 7, 2012 at 1:31 PM, Mohammad Tariq <[email protected]> > > > wrote: > > > > > > > >> Actually zookeeper servers have an active connections limit, which > by > > > >> default is 30. You can increase this limit by setting maxClientCnxns > > > >> property accordingly in your zookeeper config file, zoo.cfg. For > > > >> example - maxClientCnxns=100....but before that copy the > > > >> hadoop-core-*.jar present inside hadoop folder to the hbase/lib > > > >> folder.Also copy commons-configuration-1.6.jar from hadoop/lib > folder > > > >> to hbase/lib folder and check it once and see if it works for you. > > > >> > > > >> Regards, > > > >> Mohammad Tariq > > > >> > > > >> > > > >> On Thu, Jun 7, 2012 at 1:13 PM, Manu S <[email protected]> wrote: > > > >> > Hi All, > > > >> > > > > >> > Thank you for your reply. > > > >> > > > > >> > I tried all these options but still I am facing this issue. > > > >> > > > > >> > @Mayank: I tried the same, but still getting error. > > > >> > export > > > >> > > > > >> > > > > > > HADOOP_CLASSPATH="/usr/lib/hadoop/:/usr/lib/hadoop/lib/:/usr/lib/hadoop/conf/" > > > >> > export > > > >> > > > > >> > > > > > > HBASE_CLASSPATH="/usr/lib/hbase/:/usr/lib/hbase/lib/:/usr/lib/hbase/conf/:/usr/lib/zookeeper/:/usr/lib/zookeeper/conf/:/usr/lib/zookeeper/lib/" > > > >> > export CLASSPATH="${HADOOP_CLASSPATH}:${HBASE_CLASSPATH}" > > > >> > > > > >> > @Marcos & Tariq: > > > >> > We are using Hbase version 0.90.4 > > > >> > Job creating single HBaseConfiguration object only > > > >> > > > > >> > @Kevin: > > > >> > No luck, same error > > > >> > > > > >> > > > > >> > Thanks, > > > >> > Manu S > > > >> > > > > >> > On Thu, Jun 7, 2012 at 3:50 AM, Mayank Bansal <[email protected]> > > > wrote: > > > >> > > > > >> >> > > > >> >> zookeeper conf is not on the class path for the mapreduce job. > Add > > > conf > > > >> >>> file to class path for the job. > > > >> >>> > > > >> >>> Thanks, > > > >> >>> Mayank > > > >> >>> > > > >> >>> > > > >> >>> On Wed, Jun 6, 2012 at 7:25 AM, Manu S <[email protected]> > > wrote: > > > >> >>> > > > >> >>>> Hi All, > > > >> >>>> > > > >> >>>> We are running a mapreduce job in a fully distributed > cluster.The > > > >> output > > > >> >>>> of the job is writing to HBase. > > > >> >>>> > > > >> >>>> While running this job we are getting an error: > > > >> >>>> > > > >> >>>> *Caused by: > org.apache.hadoop.hbase.ZooKeeperConnectionException: > > > >> HBase is able to connect to ZooKeeper but the connection closes > > > >> immediately. This could be a sign that the server has too many > > > connections > > > >> (30 is the default). Consider inspecting your ZK server logs for > that > > > error > > > >> and then make sure you are reusing HBaseConfiguration as often as > you > > > can. > > > >> See HTable's javadoc for more information.* > > > >> >>>> at > > > >> > > > > > > org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:155) > > > >> >>>> at > > > >> > > > > > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getZooKeeperWatcher(HConnectionManager.java:1002) > > > >> >>>> at > > > >> > > > > > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.setupZookeeperTrackers(HConnectionManager.java:304) > > > >> >>>> at > > > >> > > > > > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:295) > > > >> >>>> at > > > >> > > > > > > org.apache.hadoop.hbase.client.HConnectionManager.getConnection(HConnectionManager.java:157) > > > >> >>>> at > > > org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:169) > > > >> >>>> at > > > >> > > > > > > org.apache.hadoop.hbase.client.HTableFactory.createHTableInterface(HTableFactory.java:36) > > > >> >>>> > > > >> >>>> > > > >> >>>> I had gone through some threads related to this issue and I > > > modified > > > >> the > > > >> >>>> *zoo.cfg* accordingly. These configurations are same in all the > > > nodes. > > > >> >>>> Please find the configuration of HBase & ZooKeeper: > > > >> >>>> > > > >> >>>> Hbase-site.xml: > > > >> >>>> > > > >> >>>> <configuration> > > > >> >>>> > > > >> >>>> <property> > > > >> >>>> <name>hbase.cluster.distributed</name> > > > >> >>>> <value>true</value> > > > >> >>>> </property> > > > >> >>>> > > > >> >>>> <property> > > > >> >>>> <name>hbase.rootdir</name> > > > >> >>>> <value>hdfs://namenode/hbase</value> > > > >> >>>> </property> > > > >> >>>> > > > >> >>>> <property> > > > >> >>>> <name>hbase.zookeeper.quorum</name> > > > >> >>>> <value>namenode</value> > > > >> >>>> </property> > > > >> >>>> > > > >> >>>> </configuration> > > > >> >>>> > > > >> >>>> > > > >> >>>> Zoo.cfg: > > > >> >>>> > > > >> >>>> # The number of milliseconds of each tick > > > >> >>>> tickTime=2000 > > > >> >>>> # 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. > > > >> >>>> dataDir=/var/zookeeper > > > >> >>>> # the port at which the clients will connect > > > >> >>>> clientPort=2181 > > > >> >>>> #server.0=localhost:2888:3888 > > > >> >>>> server.0=namenode:2888:3888 > > > >> >>>> > > > >> >>>> ################# Max Client connections ################### > > > >> >>>> *maxClientCnxns=1000 > > > >> >>>> minSessionTimeout=4000 > > > >> >>>> maxSessionTimeout=40000* > > > >> >>>> > > > >> >>>> > > > >> >>>> It would be really great if anyone can help me to resolve this > > > issue > > > >> by > > > >> >>>> giving your thoughts/suggestions. > > > >> >>>> > > > >> >>>> Thanks, > > > >> >>>> Manu S > > > >> >>>> > > > >> >>> > > > >> >>> > > > >> >> > > > >> > > > > > > > > > > > -- > > > > > > ∞ > > Shashwat Shriparv > > > -- ∞ Shashwat Shriparv
