java - Unable to connect amazon ec2 hadoop instance from outside cluster -


i have setup amazon ec2 instance , installed hadoop-1.0.4 single node, started hadoop components, , working fine.

i tested hadoop cluster uploading file using hadoop command , working fine.

when accessing hadoop cluster through java code, getting following exception

failed on connection exception: java.net.connectexception: connection refused: no further information

/etc/hosts file

127.0.0.1 localhost 127.0.0.1   ec2-x.x.x.x.compute-1.amazonaws.com ip-x.x.x.x.ec2.internal

core-site.xml

<property>     <name>fs.default.name</name>     <value>hdfs://ec2-x.x.x.x.compute-1.amazonaws.com:54310</value>   </property>

please me fix ?

complete print stack trace is

: call ec2-x.x.x.x.compute-1.amazonaws.com/x.x.x.x:54310 failed on connection exception: java.net.connectexception: connection refused: no further information @ org.apache.hadoop.ipc.client.wrapexception(  client.java:1099) @ org.apache.hadoop.ipc.client.call(  client.java:1075) @ org.apache.hadoop.ipc.rpc$invoker.invoke(  rpc.java:225) @ $proxy7.getprotocolversion(unknown source)  @ org.apache.hadoop.ipc.rpc.getproxy(  rpc.java:396) @ org.apache.hadoop.ipc.rpc.getproxy(  rpc.java:379) @ org.apache.hadoop.hdfs.dfsclient.createrpcnamenode(  dfsclient.java:119) @ org.apache.hadoop.hdfs.dfsclient.<init>(  dfsclient.java:238) @ org.apache.hadoop.hdfs.dfsclient.<init>(  dfsclient.java:203) @ org.apache.hadoop.hdfs.distributedfilesystem.initialize(  distributedfilesystem.java:89) @ org.apache.hadoop.fs.filesystem.createfilesystem(  filesystem.java:1386) @ org.apache.hadoop.fs.filesystem.access$200(  filesystem.java:66) @ org.apache.hadoop.fs.filesystem$cache.get(  filesystem.java:1404) @ org.apache.hadoop.fs.filesystem.get(  filesystem.java:254) @ org.apache.hadoop.fs.filesystem.get(  filesystem.java:123) @ org.bigpeep.upload.custom.solrindexmapreduce.run(  solrindexmapreduce.java:45) @ org.apache.hadoop.util.toolrunner.run(  toolrunner.java:65) @ org.bigpeep.upload.dal.filedaoimpl.indexdoc(  filedaoimpl.java:370) @ org.bigpeep.upload.service.fileserviceimpl.indexdocument(  fileserviceimpl.java:96) @ org.bigpeep.upload.service.fileserviceimpltest.testuploadfile(  fileserviceimpltest.java:48) @ sun.reflect.nativemethodaccessorimpl.invoke0(  native method) @ sun.reflect.nativemethodaccessorimpl.invoke(  nativemethodaccessorimpl.java:39) @ sun.reflect.delegatingmethodaccessorimpl.invoke(  delegatingmethodaccessorimpl.java:25) @ java.lang.reflect.method.invoke(  method.java:597) @ org.junit.runners.model.frameworkmethod$1.runreflectivecall(  frameworkmethod.java:44) @ org.junit.internal.runners.model.reflectivecallable.run(  reflectivecallable.java:15) @ org.junit.runners.model.frameworkmethod.invokeexplosively(  frameworkmethod.java:41) @ org.junit.internal.runners.statements.invokemethod.evaluate(  invokemethod.java:20) @ org.junit.internal.runners.statements.runbefores.evaluate(  runbefores.java:28) @ org.junit.internal.runners.statements.runafters.evaluate(  runafters.java:31) @ org.junit.runners.blockjunit4classrunner.runchild(  blockjunit4classrunner.java:76) @ org.junit.runners.blockjunit4classrunner.runchild(  blockjunit4classrunner.java:50) @ org.junit.runners.parentrunner$3.run(  parentrunner.java:193) @ org.junit.runners.parentrunner$1.schedule(  parentrunner.java:52) @ org.junit.runners.parentrunner.runchildren(  parentrunner.java:191) @ org.junit.runners.parentrunner.access$000(  parentrunner.java:42) @ org.junit.runners.parentrunner$2.evaluate(  parentrunner.java:184) @ org.junit.runners.parentrunner.run(  parentrunner.java:236) @ org.eclipse.jdt.internal.junit4.runner.junit4testreference.run(  junit4testreference.java:50) @ org.eclipse.jdt.internal.junit.runner.testexecution.run(  testexecution.java:38) @ org.eclipse.jdt.internal.junit.runner.remotetestrunner.runtests(  remotetestrunner.java:467) @ org.eclipse.jdt.internal.junit.runner.remotetestrunner.runtests(  remotetestrunner.java:683) @ org.eclipse.jdt.internal.junit.runner.remotetestrunner.run(  remotetestrunner.java:390) @ org.eclipse.jdt.internal.junit.runner.remotetestrunner.main(  remotetestrunner.java:197) caused by:  java.net.connectexception: connection refused: no further information @ sun.nio.ch.socketchannelimpl.checkconnect(  native method) @ sun.nio.ch.socketchannelimpl.finishconnect(  socketchannelimpl.java:574) @ org.apache.hadoop.net.socketiowithtimeout.connect(  socketiowithtimeout.java:206) @ org.apache.hadoop.net.netutils.connect(  netutils.java:489) @ org.apache.hadoop.ipc.client$connection.setupconnection(  client.java:434) @ org.apache.hadoop.ipc.client$connection.setupiostreams(  client.java:560) @ org.apache.hadoop.ipc.client$connection.access$2000(  client.java:184) @ org.apache.hadoop.ipc.client.getconnection(  client.java:1206) @ org.apache.hadoop.ipc.client.call(  client.java:1050)


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