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From Shihua Ma <beijing.j...@gmail.com>
Subject Re: How to debug org.apache.hadoop.streaming.TestMultipleCachefiles.testMultipleCachefiles
Date Mon, 08 Sep 2008 02:23:06 GMT


You can put src in your classpath,Because  The HttpServer scan the webapps
folder in your classpath to start jetty webserver.

Josh Ma

http://www.hadoop.org.cn http://www.hadoop.org.cn 


Abdul Qadeer wrote:
> 
> I am running a single node Hadoop.  If I try to debug
> org.apache.hadoop.streaming.TestMultipleCachefiles.testMultipleCachefiles,
> the following exception tells that
> I haven't put webapps on the classpath.  I have in fact put src/webapps on
> classpath.
> So I was wondering what is wrong.
> 
> 2008-09-06 20:03:28,183 INFO  fs.FSNamesystem
> (FSNamesystem.java:setConfigurationParameters(409)) -
> fsOwner=personalpc\admin,None,root,Administrators,Users
> 2008-09-06 20:03:28,191 INFO  fs.FSNamesystem
> (FSNamesystem.java:setConfigurationParameters(413)) -
> supergroup=supergroup
> 2008-09-06 20:03:28,191 INFO  fs.FSNamesystem
> (FSNamesystem.java:setConfigurationParameters(414)) -
> isPermissionEnabled=true
> 2008-09-06 20:03:28,440 INFO  common.Storage
> (FSImage.java:saveFSImage(897))
> - Image file of size 90 saved in 0 seconds.
> 2008-09-06 20:03:28,510 INFO  common.Storage (FSImage.java:format(952)) -
> Storage directory dfs\name1 has been successfully formatted.
> 2008-09-06 20:03:28,538 INFO  common.Storage
> (FSImage.java:saveFSImage(897))
> - Image file of size 90 saved in 0 seconds.
> 2008-09-06 20:03:28,590 INFO  common.Storage (FSImage.java:format(952)) -
> Storage directory dfs\name2 has been successfully formatted.
> 2008-09-06 20:03:28,904 INFO  metrics.RpcMetrics
> (RpcMetrics.java:<init>(56)) - Initializing RPC Metrics with
> hostName=NameNode, port=57467
> 2008-09-06 20:03:29,246 INFO  namenode.NameNode
> (NameNode.java:initialize(156)) - Namenode up at:
> 127.0.0.1/127.0.0.1:57467
> 2008-09-06 20:03:29,290 INFO  jvm.JvmMetrics (JvmMetrics.java:init(67)) -
> Initializing JVM Metrics with processName=NameNode, sessionId=null
> 2008-09-06 20:03:29,352 INFO  metrics.NameNodeMetrics
> (NameNodeMetrics.java:<init>(85)) - Initializing NameNodeMeterics using
> context object:org.apache.hadoop.metrics.spi.NullContext
> 2008-09-06 20:03:29,417 INFO  fs.FSNamesystem
> (FSNamesystem.java:setConfigurationParameters(409)) -
> fsOwner=personalpc\admin,None,root,Administrators,Users
> 2008-09-06 20:03:29,418 INFO  fs.FSNamesystem
> (FSNamesystem.java:setConfigurationParameters(413)) -
> supergroup=supergroup
> 2008-09-06 20:03:29,418 INFO  fs.FSNamesystem
> (FSNamesystem.java:setConfigurationParameters(414)) -
> isPermissionEnabled=true
> 2008-09-06 20:03:29,442 INFO  metrics.FSNamesystemMetrics
> (FSNamesystemMetrics.java:<init>(60)) - Initializing FSNamesystemMeterics
> using context object:org.apache.hadoop.metrics.spi.NullContext
> 2008-09-06 20:03:29,444 INFO  fs.FSNamesystem
> (FSNamesystem.java:registerMBean(4274)) - Registered
> FSNamesystemStatusMBean
> 2008-09-06 20:03:29,519 INFO  common.Storage
> (FSImage.java:loadFSImage(748))
> - Number of files = 0
> 2008-09-06 20:03:29,519 INFO  common.Storage
> (FSImage.java:loadFilesUnderConstruction(1052)) - Number of files under
> construction = 0
> 2008-09-06 20:03:29,520 INFO  common.Storage
> (FSImage.java:loadFSImage(683))
> - Image file of size 90 loaded in 0 seconds.
> 2008-09-06 20:03:29,521 INFO  common.Storage
> (FSEditLog.java:loadFSEdits(667)) - Edits file edits of size 4 edits # 0
> loaded in 0 seconds.
> 2008-09-06 20:03:29,541 INFO  common.Storage
> (FSImage.java:saveFSImage(897))
> - Image file of size 90 saved in 0 seconds.
> 2008-09-06 20:03:29,581 INFO  common.Storage
> (FSImage.java:saveFSImage(897))
> - Image file of size 90 saved in 0 seconds.
> 2008-09-06 20:03:29,727 INFO  fs.FSNamesystem
> (FSNamesystem.java:initialize(307)) - Finished loading FSImage in 373
> msecs
> 2008-09-06 20:03:29,761 INFO  hdfs.StateChange
> (FSNamesystem.java:leave(3795)) - STATE* Leaving safe mode after 0 secs.
> 2008-09-06 20:03:29,762 INFO  hdfs.StateChange
> (FSNamesystem.java:leave(3804)) - STATE* Network topology has 0 racks and
> 0
> datanodes
> 2008-09-06 20:03:29,762 INFO  hdfs.StateChange
> (FSNamesystem.java:leave(3807)) - STATE* UnderReplicatedBlocks has 0
> blocks
> 2008-09-06 20:03:30,173 ERROR fs.FSNamesystem
> (FSNamesystem.java:<init>(286)) - FSNamesystem initialization failed.
> java.io.IOException: webapps not found in CLASSPATH
>     at
> org.apache.hadoop.http.HttpServer.getWebAppsPath(HttpServer.java:157)
>     at org.apache.hadoop.http.HttpServer.<init>(HttpServer.java:74)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:347)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:284)
>     at
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:160)
>     at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:205)
>     at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:191)
>     at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:849)
>     at
> org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:270)
>     at
> org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:119)
>     at
> org.apache.hadoop.streaming.TestMultipleCachefiles.testMultipleCachefiles(TestMultipleCachefiles.java:61)
>     at
> org.apache.hadoop.streaming.TestMultipleCachefiles.main(TestMultipleCachefiles.java:138)
> 2008-09-06 20:03:30,177 INFO  fs.FSNamesystem
> (FSEditLog.java:printStatistics(843)) - Number of transactions: 0 Total
> time
> for transactions(ms): 0 Number of syncs: 0 SyncTimes(ms): 0 0
> 2008-09-06 20:03:30,180 WARN  fs.FSNamesystem
> (FSNamesystem.java:run(2191))
> - ReplicationMonitor thread received
> InterruptedException.java.lang.InterruptedException: sleep interrupted
> 2008-09-06 20:03:30,183 INFO  ipc.Server (Server.java:stop(992)) -
> Stopping
> server on 57467
> 
> 
> 
> Abdul Qadeer
> 
> 
> On Sat, Sep 6, 2008 at 7:18 PM, 叶双明 <yeshuangming@gmail.com> wrote:
> 
>> Any detail error message ?
>>
>> 2008/9/5, Abdul Qadeer <qadeer.qadeer@gmail.com>:
>> >
>> > I want to debug the test case
>> >
>> org.apache.hadoop.streaming.TestMultipleCachefiles.testMultipleCachefiles<
>> >
>> http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3151/testReport/org.apache.hadoop.streaming/TestMultipleCachefiles/testMultipleCachefiles
>> > >
>> > from within Eclipse.  But doing so gives exception that "webapps not
>> found
>> > in CLASSPATH" when in
>> > fact I have put it in Eclipse classpath and verified this entry in
>> > .classpath file.
>> >
>> > Could anyone please suggest how to remove this problem?
>> >
>> > Thanks,
>> > Abdul Qadeer
>> >
>>
>>
>>
>> --
>> Sorry for my english!!
>> 明
>>
> 
> 

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