I just started learning hadoop. And I followed http://hadoop.apache.org/docs/r1.1.2/single_node_setup.html. Is DataNode mentioned in this document? Do you have a list of working step by step instructions so that I run hadoop without anything previously installed? Thanks.
On Thu, Jun 27, 2013 at 1:00 PM, Mohammad Tariq <[email protected]> wrote: > Is your DataNode running? > > Warm Regards, > Tariq > cloudfront.blogspot.com > > > On Thu, Jun 27, 2013 at 11:24 PM, Peng Yu <[email protected]> wrote: >> >> Hi, >> >> Here is what I got. Is there anything wrong? >> >> ~/Downloads/hadoop-install/hadoop$ bin/hadoop fs -put conf/ /input/ >> 13/06/27 12:53:39 WARN hdfs.DFSClient: DataStreamer Exception: >> org.apache.hadoop.ipc.RemoteException: java.io.IOException: File >> /input/conf/capacity-scheduler.xml could only be replicated to 0 >> nodes, instead of 1 >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1639) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:736) >> at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:578) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1393) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1389) >> at java.security.AccessController.doPrivileged(Native Method) >> at javax.security.auth.Subject.doAs(Subject.java:396) >> at >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1149) >> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1387) >> >> at org.apache.hadoop.ipc.Client.call(Client.java:1107) >> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229) >> at com.sun.proxy.$Proxy1.addBlock(Unknown Source) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at >> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:85) >> at >> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:62) >> at com.sun.proxy.$Proxy1.addBlock(Unknown Source) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:3686) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:3546) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2600(DFSClient.java:2749) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2989) >> >> 13/06/27 12:53:39 WARN hdfs.DFSClient: Error Recovery for block null >> bad datanode[0] nodes == null >> 13/06/27 12:53:39 WARN hdfs.DFSClient: Could not get block locations. >> Source file "/input/conf/capacity-scheduler.xml" - Aborting... >> put: java.io.IOException: File /input/conf/capacity-scheduler.xml >> could only be replicated to 0 nodes, instead of 1 >> 13/06/27 12:53:39 ERROR hdfs.DFSClient: Failed to close file >> /input/conf/capacity-scheduler.xml >> org.apache.hadoop.ipc.RemoteException: java.io.IOException: File >> /input/conf/capacity-scheduler.xml could only be replicated to 0 >> nodes, instead of 1 >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1639) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:736) >> at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:578) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1393) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1389) >> at java.security.AccessController.doPrivileged(Native Method) >> at javax.security.auth.Subject.doAs(Subject.java:396) >> at >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1149) >> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1387) >> >> at org.apache.hadoop.ipc.Client.call(Client.java:1107) >> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229) >> at com.sun.proxy.$Proxy1.addBlock(Unknown Source) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at >> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:85) >> at >> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:62) >> at com.sun.proxy.$Proxy1.addBlock(Unknown Source) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:3686) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:3546) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2600(DFSClient.java:2749) >> at >> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2989) >> >> On Thu, Jun 27, 2013 at 12:40 PM, Mohammad Tariq <[email protected]> >> wrote: >> > No. This means that you are trying to copy an entire directory instead >> > of a >> > file. Do this : >> > bin/hadoop fs -put conf/ /input/ >> > >> > Warm Regards, >> > Tariq >> > cloudfront.blogspot.com >> > >> > >> > On Thu, Jun 27, 2013 at 10:37 PM, Peng Yu <[email protected]> wrote: >> >> >> >> Hi, >> >> >> >> ~/Downloads/hadoop-install/hadoop$ rm -rf ~/input/conf/ >> >> ~/Downloads/hadoop-install/hadoop$ bin/hadoop fs -put conf input >> >> put: Target input/conf is a directory >> >> >> >> I get the above output. Is it the correct output? Thanks. >> >> >> >> On Wed, Jun 26, 2013 at 10:51 AM, Shahab Yunus <[email protected]> >> >> wrote: >> >> > It is looking for a file within your login folder >> >> > /user/py/input/conf >> >> > >> >> > You are running your job form >> >> > hadoop/bin >> >> > and I think the hadoop job will is looking for files in the current >> >> > folder. >> >> > >> >> > Regards, >> >> > Shahab >> >> > >> >> > >> >> > On Wed, Jun 26, 2013 at 11:02 AM, Peng Yu <[email protected]> >> >> > wrote: >> >> >> >> >> >> Hi, >> >> >> >> >> >> Here are what I have. >> >> >> >> >> >> ~/Downloads/hadoop-install/hadoop$ ls >> >> >> CHANGES.txt README.txt c++ hadoop-ant-1.1.2.jar >> >> >> hadoop-examples-1.1.2.jar hadoop-tools-1.1.2.jar ivy.xml logs >> >> >> src >> >> >> LICENSE.txt bin conf hadoop-client-1.1.2.jar >> >> >> hadoop-minicluster-1.1.2.jar input lib sbin >> >> >> webapps >> >> >> NOTICE.txt build.xml contrib hadoop-core-1.1.2.jar >> >> >> hadoop-test-1.1.2.jar ivy libexec share >> >> >> ~/Downloads/hadoop-install/hadoop$ ls input/ >> >> >> capacity-scheduler.xml core-site.xml fair-scheduler.xml >> >> >> hadoop-policy.xml hdfs-site.xml mapred-queue-acls.xml >> >> >> mapred-site.xml >> >> >> >> >> >> On Wed, Jun 26, 2013 at 10:00 AM, Shahab Yunus >> >> >> <[email protected]> >> >> >> wrote: >> >> >> > Basically whether this step worked or not: >> >> >> > >> >> >> > $ cp conf/*.xml input >> >> >> > >> >> >> > Regards, >> >> >> > Shahab >> >> >> > >> >> >> > >> >> >> > On Wed, Jun 26, 2013 at 10:58 AM, Shahab Yunus >> >> >> > <[email protected]> >> >> >> > wrote: >> >> >> >> >> >> >> >> Have you verified that the 'input' folder exists on the hdfs >> >> >> >> (singel >> >> >> >> node >> >> >> >> setup) that you are job needs? >> >> >> >> >> >> >> >> Regards, >> >> >> >> Shahab >> >> >> >> >> >> >> >> >> >> >> >> On Wed, Jun 26, 2013 at 10:53 AM, Peng Yu <[email protected]> >> >> >> >> wrote: >> >> >> >>> >> >> >> >>> Hi, >> >> >> >>> >> >> >> >>> http://hadoop.apache.org/docs/r1.1.2/single_node_setup.html >> >> >> >>> >> >> >> >>> I followed the above instructions. But I get the following >> >> >> >>> errors. >> >> >> >>> Does anybody know what is wrong? Thanks. >> >> >> >>> >> >> >> >>> ~/Downloads/hadoop-install/hadoop$ bin/hadoop jar >> >> >> >>> hadoop-examples-*.jar grep input output 'dfs[a-z.]+' >> >> >> >>> Warning: $HADOOP_HOME is deprecated. >> >> >> >>> >> >> >> >>> 13/06/26 09:49:14 WARN util.NativeCodeLoader: Unable to load >> >> >> >>> native-hadoop library for your platform... using builtin-java >> >> >> >>> classes >> >> >> >>> where applicable >> >> >> >>> 13/06/26 09:49:14 WARN snappy.LoadSnappy: Snappy native library >> >> >> >>> not >> >> >> >>> loaded >> >> >> >>> 13/06/26 09:49:14 INFO mapred.FileInputFormat: Total input paths >> >> >> >>> to >> >> >> >>> process : 2 >> >> >> >>> 13/06/26 09:49:14 INFO mapred.JobClient: Cleaning up the staging >> >> >> >>> area >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> hdfs://localhost:9000/opt/local/var/hadoop/cache/mapred/staging/py/.staging/job_201306260838_0001 >> >> >> >>> 13/06/26 09:49:14 ERROR security.UserGroupInformation: >> >> >> >>> PriviledgedActionException as:py cause:java.io.IOException: Not >> >> >> >>> a >> >> >> >>> file: hdfs://localhost:9000/user/py/input/conf >> >> >> >>> java.io.IOException: Not a file: >> >> >> >>> hdfs://localhost:9000/user/py/input/conf >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:215) >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:1051) >> >> >> >>> at >> >> >> >>> >> >> >> >>> org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:1043) >> >> >> >>> at >> >> >> >>> >> >> >> >>> org.apache.hadoop.mapred.JobClient.access$700(JobClient.java:179) >> >> >> >>> at >> >> >> >>> org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:959) >> >> >> >>> at >> >> >> >>> org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:912) >> >> >> >>> at java.security.AccessController.doPrivileged(Native >> >> >> >>> Method) >> >> >> >>> at javax.security.auth.Subject.doAs(Subject.java:396) >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1149) >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:912) >> >> >> >>> at >> >> >> >>> org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:886) >> >> >> >>> at >> >> >> >>> org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1323) >> >> >> >>> at org.apache.hadoop.examples.Grep.run(Grep.java:69) >> >> >> >>> at >> >> >> >>> org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) >> >> >> >>> at org.apache.hadoop.examples.Grep.main(Grep.java:93) >> >> >> >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native >> >> >> >>> Method) >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> >> >> >>> at java.lang.reflect.Method.invoke(Method.java:597) >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68) >> >> >> >>> at >> >> >> >>> >> >> >> >>> org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64) >> >> >> >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native >> >> >> >>> Method) >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> >> >> >>> at >> >> >> >>> >> >> >> >>> >> >> >> >>> >> >> >> >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> >> >> >>> at java.lang.reflect.Method.invoke(Method.java:597) >> >> >> >>> at org.apache.hadoop.util.RunJar.main(RunJar.java:156) >> >> >> >>> >> >> >> >>> -- >> >> >> >>> Regards, >> >> >> >>> Peng >> >> >> >> >> >> >> >> >> >> >> > >> >> >> >> >> >> >> >> >> >> >> >> -- >> >> >> Regards, >> >> >> Peng >> >> > >> >> > >> >> >> >> >> >> >> >> -- >> >> Regards, >> >> Peng >> > >> > >> >> >> >> -- >> Regards, >> Peng > > -- Regards, Peng
