On Sun, Dec 11, 2011 at 6:29 PM, Aditya Kumar <[email protected]> wrote: > 1) I am having my hmaster running. > when I start my regional server on the other host. I am getting the following > Exception. > can you please let me know what I am missing and also how to debug this? > > == > sudo /sbin/service hadoop-hbase-regionserver start > starting regionserver, logging to > /var/log/hbase/hbase-hbase-regionserver-host123.out > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/zookeeper/KeeperException > at java.lang.Class.getDeclaredMethods0(Native Method) > at java.lang.Class.privateGetDeclaredMethods(Class.java:2442) > at java.lang.Class.getMethod0(Class.java:2685) > at java.lang.Class.getMethod(Class.java:1620) > at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:484) > at > sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:476) > Caused by: java.lang.ClassNotFoundException: > org.apache.zookeeper.KeeperException > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
You are missing the zookeeper jar it would seem. > == > > > 2) My Hadoop is up and running. > But when I try to connect to the Hbase from my BRoswer, I keep getting > "connecting" in the status Bar and no response. > I tried: http://10.10.10.11:60010 > > when I checked Hmaster it is running on 10.10.10.11. but the GUI does not come > > Check master logs. If it can't find zk jar, its not going to come up. > 3) I have a Hadoop and Hbase installed in 5 hosts. > if I want this to be given to 25 applications for accessing the DB, what are > the configuration changes that I should be taken into consideration > like: ( in some applications max handles , threads) similarly what all I > should be taken into consideration. > Read the manual that is up on hbase.org. > 4) when I try to connect to HBase shell > it stops and does not proceed. > = > hbase(main):006:0* list > TABLE > 11/12/11 18:25:57 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. > = > What it says. If listening on localhost, no one remote will be able to connect. Again, check out aforementioned manual. Good luck, St.Ack > > Thanks again in advance. > > -Adi >
