cassandra - Connection error: Request did not complete within rpc_timeout when doing cqlsh -

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i have installed cassandra v2.0.16 on centos release 6.6 (final).

but when try cqlsh on it, gives following error,

connection error: request did not complete within rpc_timeout

on local machine, running ubuntu 12.04, works fine, on production machine (user managed vps running cent os) not working properly.

i went /var/log/cassandra/system.log

error [main] 2015-07-02 04:42:12,973 cassandradaemon.java (line 571) exception encountered during startup org.jboss.netty.channel.channelexception: failed bind to: localhost/127.0.0.1:9042     @ org.jboss.netty.bootstrap.serverbootstrap.bind(serverbootstrap.java:272)     @ org.apache.cassandra.transport.server.run(server.java:159)     @ org.apache.cassandra.transport.server.start(server.java:110)     @ org.apache.cassandra.service.cassandradaemon.start(cassandradaemon.java:489)     @ org.apache.cassandra.service.cassandradaemon.activate(cassandradaemon.java:567)     @ org.apache.cassandra.service.cassandradaemon.main(cassandradaemon.java:643) caused by: java.net.bindexception: address in use     @ sun.nio.ch.net.bind0(native method)     @ sun.nio.ch.net.bind(net.java:444)     @ sun.nio.ch.net.bind(net.java:436)     @ sun.nio.ch.serversocketchannelimpl.bind(serversocketchannelimpl.java:214)     @ sun.nio.ch.serversocketadaptor.bind(serversocketadaptor.java:74)     @ org.jboss.netty.channel.socket.nio.nioserverboss$registertask.run(nioserverboss.java:193)     @ org.jboss.netty.channel.socket.nio.abstractnioselector.processtaskqueue(abstractnioselector.java:366)     @ org.jboss.netty.channel.socket.nio.abstractnioselector.run(abstractnioselector.java:290)     @ org.jboss.netty.channel.socket.nio.nioserverboss.run(nioserverboss.java:42)     @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1145)     @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:615)     @ java.lang.thread.run(thread.java:745)

i stuck here.

please appreciated.

i not getting how solve problem.

note: have reinstalled cassandra 2 3 times. stuck same problem


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