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From Ashish <paliwalash...@gmail.com>
Subject Re: UnknownhostException : home
Date Mon, 19 Jan 2015 09:56:42 GMT
+1 to Sean suggestion

On Mon, Jan 19, 2015 at 3:21 PM, Sean Owen <sowen@cloudera.com> wrote:
> I bet somewhere you have a path like "hdfs://home/..." which would
> suggest that 'home' is a hostname, when I imagine you mean it as a
> root directory.
>
> On Mon, Jan 19, 2015 at 9:33 AM, Rapelly Kartheek
> <kartheek.mbms@gmail.com> wrote:
>> Hi,
>>
>> I get the following exception when I run my application:
>>
>> karthik@karthik:~/spark-1.2.0$ ./bin/spark-submit --class
>> org.apache.spark.examples.SimpleApp001 --deploy-mode client --master
>> spark://karthik:7077 $SPARK_HOME/examples/*/scala-*/spark-examples-*.jar
>>>out1.txt
>> log4j:WARN No such property [target] in org.apache.log4j.FileAppender.
>> Exception in thread "main" java.lang.IllegalArgumentException:
>> java.net.UnknownHostException: home
>>     at
>> org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:377)
>>     at
>> org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:237)
>>     at
>> org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:141)
>>     at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:569)
>>     at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:512)
>>     at
>> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:142)
>>     at
>> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2316)
>>     at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:366)
>>     at org.apache.spark.util.FileLogger.<init>(FileLogger.scala:90)
>>     at
>> org.apache.spark.scheduler.EventLoggingListener.<init>(EventLoggingListener.scala:63)
>>     at org.apache.spark.SparkContext.<init>(SparkContext.scala:352)
>>     at org.apache.spark.examples.SimpleApp001$.main(SimpleApp001.scala:13)
>>     at org.apache.spark.examples.SimpleApp001.main(SimpleApp001.scala)
>>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>     at
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>>     at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>     at java.lang.reflect.Method.invoke(Method.java:606)
>>     at org.apache.spark.deploy.SparkSubmit$.launch(SparkSubmit.scala:358)
>>     at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:75)
>>     at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
>> Caused by: java.net.UnknownHostException: home
>>     ... 20 more
>>
>>
>> I couldn't trace the cause of this exception. Any help in this regard?
>>
>> Thanks
>
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-- 
thanks
ashish

Blog: http://www.ashishpaliwal.com/blog
My Photo Galleries: http://www.pbase.com/ashishpaliwal

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