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From "alo.alt" <wget.n...@googlemail.com>
Subject Re: Mounting HDFS
Date Sat, 07 Jan 2012 17:50:25 GMT
try:
./fuse_dfs_wrapper.sh dfs://namenode.local:<PORT> /MOUNT_POINT -d

MOUNT_POINT has to be writable, try to use a mount point under / like /hdfs or similar. Also
remove the tailing /

- Alex 


--
Alexander Lorenz
http://mapredit.blogspot.com

On Jan 7, 2012, at 12:35 AM, Stuti Awasthi wrote:

> Hi Alo,Srivas,
> 
> Thanks for pointing this out. I am still getting the same error. This time with fuse_dfs_wrapper.sh
I echoed the environment variables value also.
> 
> [root@slave fuse-dfs]# ./fuse_dfs_wrapper.sh dfs://slave:54310 /root/FreshMount/mnt1/
-d
> 
> CLASSPATH=/usr/java/jdk1.6.0_30/jre/lib/rt.jar:/usr/java/jdk1.6.0_30/jre/lib/jce.jar:/usr/java/jdk1.6.0_30/jre/lib/javaws.jar:/usr/java/jdk1.6.0_30/jre/lib/deploy.jar:/usr/java/jdk1.6.0_30/jre/lib/jsse.jar:/usr/java/jdk1.6.0_30/jre/lib/plugin.jar:ls:/root/FreshMount/hadoop-0.20.2/lib/commons-cli-1.2.jar:/root/FreshMount/hadoop-0.20.2/lib/commons-codec-1.3.jar:/root/FreshMount/hadoop-0.20.2/lib/commons-el-1.0.jar:/root/FreshMount/hadoop-0.20.2/lib/commons-httpclient-3.0.1.jar:/root/FreshMount/hadoop-0.20.2/lib/commons-logging-1.0.4.jar:/root/FreshMount/hadoop-0.20.2/lib/commons-logging-api-1.0.4.jar:/root/FreshMount/hadoop-0.20.2/lib/commons-net-1.4.1.jar:/root/FreshMount/hadoop-0.20.2/lib/core-3.1.1.jar:/root/FreshMount/hadoop-0.20.2/lib/hsqldb-1.8.0.10.jar:/root/FreshMount/hadoop-0.20.2/lib/jasper-compiler-5.5.12.jar:/root/FreshMount/hadoop-0.20.2/lib/jasper-runtime-5.5.12.jar:/root/FreshMount/hadoop-0.20.2/lib/jets3t-0.6.1.jar:/root/FreshMount/hadoop-0.20.2/lib/jetty-6.1.14.jar:/root/FreshMount/hadoop-0.20.2/lib/jetty-util-6.1.14.jar:/root/FreshMount/hadoop-0.20.2/lib/junit-3.8.1.jar:/root/FreshMount/hadoop-0.20.2/lib/kfs-0.2.2.jar:/root/FreshMount/hadoop-0.20.2/lib/log4j-1.2.15.jar:/root/FreshMount/hadoop-0.20.2/lib/mockito-all-1.8.0.jar:/root/FreshMount/hadoop-0.20.2/lib/oro-2.0.8.jar:/root/FreshMount/hadoop-0.20.2/lib/servlet-api-2.5-6.1.14.jar:/root/FreshMount/hadoop-0.20.2/lib/slf4j-api-1.4.3.jar:/root/FreshMount/hadoop-0.20.2/lib/slf4j-log4j12-1.4.3.jar:/root/FreshMount/hadoop-0.20.2/lib/xmlenc-0.52.jar:/root/FreshMount/hadoop-0.20.2/hadoop-0.20.2-ant.jar:/root/FreshMount/hadoop-0.20.2/hadoop-0.20.2-core.jar:/root/FreshMount/hadoop-0.20.2/hadoop-0.20.2-examples.jar:/root/FreshMount/hadoop-0.20.2/hadoop-0.20.2-test.jar:/root/FreshMount/hadoop-0.20.2/hadoop-0.20.2-tools.jar
> 
> LD_LIBRARY_PATH=/usr/lib:/usr/local/lib:/root/FreshMount/hadoop-0.20.2/build/libhdfs:/usr/java/jdk1.6.0_30/jre/lib/i386/server/:/lib/libfuse.so
> 
> JAVA_HOME=/usr/java/jdk1.6.0_30
> 
> Error:
> port=54310,server=slave
> fuse-dfs didn't recognize /root/FreshMount/mnt1/,-2
> fuse-dfs ignoring option -d
> unique: 1, opcode: INIT (26), nodeid: 0, insize: 56
> INIT: 7.10
> flags=0x0000000b
> max_readahead=0x00020000
>   INIT: 7.8
>   flags=0x00000001
>   max_readahead=0x00020000
>   max_write=0x00020000
>   unique: 1, error: 0 (Success), outsize: 40
> unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56
> Error occurred during initialization of VM
> java/lang/NoClassDefFoundError: java/lang/Object
> 
> -----Original Message-----
> From: alo.alt [mailto:wget.null@googlemail.com]
> Sent: Friday, January 06, 2012 10:41 PM
> To: hdfs-user@hadoop.apache.org
> Subject: Re: Mounting HDFS
> 
> Stuti, define in CLASSPATH="...." only the jars you really need for. An export of all
jars in a given directory is a red flag (done with *.jar).
> 
> - Alex
> 
> 
> On Jan 6, 2012, at 7:23 AM, M. C. Srivas wrote:
> 
>> 
>>  unique: 1, error: 0 (Success), outsize: 40
>> unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56 Error occurred during initialization
of VM
>> java/lang/NoClassDefFoundError: java/lang/Object
>> 
>> Exported Environment Variable:
>> 
>> CLASSPATH="/root/FreshMount/hadoop-0.20.2/lib/*.jar:/root/FreshMount/hadoop-0.20.2/*.jar:/usr/bin/java:/usr/local/lib:/usr/lib:/usr/:/usr/java/jdk1.6.0_26/jre/lib/rt.jar:/usr/java/jdk1.6.0_26/jre/lib/"
>> 
>> 
>> CLASSPATH is a list of jars, not a list of directories
>> 
>> 
>> I know that this is simple Java Classpath Error but I have set JAVA_HOME correctly.
>> 
>> [root@slave ~]# which java
>> /usr/bin/java
>> 
> 
> 
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