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Message-ID: 
 <CAKFCR+dtwaX2nepq01+yf95WMRioppaCtXMR0UxtNjXw2wo5vg@mail.gmail.com>
Subject: Hadoop Java exception
From: Odin Guillermo Caudillo Gallegos <odin.guillermo@gmail.com>
To: user@hadoop.apache.org
Content-Type: multipart/alternative; boundary=94eb2c05d498e7a99a05219a16b7

--94eb2c05d498e7a99a05219a16b7
Content-Type: text/plain; charset=UTF-8

Hi.
I'm doing a code to write a file on HDFS, i tried a few ways to do it, but
i always get the following error:
Do i need another library? i include all the libraries in the
share/hadoop/common/lib folder and still getting it

Exception in thread "main" java.lang.NoClassDefFoundError: org/htrace/Trace
at org.apache.hadoop.hdfs.DFSOutputStream.<init>(DFSOutputStream.java:1703)
at
org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1756)
at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1668)
at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1593)
at
org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedFileSystem.java:397)
at
org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedFileSystem.java:393)
at
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at
org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:393)
at
org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:337)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:909)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:802)
at test.HDFSMain.main(HDFSMain.java:25)
Caused by: java.lang.ClassNotFoundException: org.htrace.Trace
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 12 more

Thanks

--94eb2c05d498e7a99a05219a16b7
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi.<div>I&#39;m doing a code to write a file on HDFS, i tr=
ied a few ways to do it, but i always get the following error:</div><div>Do=
 i need another library? i include all the libraries in the share/hadoop/co=
mmon/lib folder and still getting it</div><div><br></div><div><div>Exceptio=
n in thread &quot;main&quot; java.lang.NoClassDefFoundError: org/htrace/Tra=
ce</div><div><span class=3D"" style=3D"white-space:pre">	</span>at org.apac=
he.hadoop.hdfs.DFSOutputStream.&lt;init&gt;(DFSOutputStream.java:1703)</div=
><div><span class=3D"" style=3D"white-space:pre">	</span>at org.apache.hado=
op.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1756)</div>=
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.apache.hadoo=
p.hdfs.DFSClient.create(DFSClient.java:1668)</div><div><span class=3D"" sty=
le=3D"white-space:pre">	</span>at org.apache.hadoop.hdfs.DFSClient.create(D=
FSClient.java:1593)</div><div><span class=3D"" style=3D"white-space:pre">	<=
/span>at org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedF=
ileSystem.java:397)</div><div><span class=3D"" style=3D"white-space:pre">	<=
/span>at org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedF=
ileSystem.java:393)</div><div><span class=3D"" style=3D"white-space:pre">	<=
/span>at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLink=
Resolver.java:81)</div><div><span class=3D"" style=3D"white-space:pre">	</s=
pan>at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileS=
ystem.java:393)</div><div><span class=3D"" style=3D"white-space:pre">	</spa=
n>at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSys=
tem.java:337)</div><div><span class=3D"" style=3D"white-space:pre">	</span>=
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:909)</div><div><s=
pan class=3D"" style=3D"white-space:pre">	</span>at org.apache.hadoop.fs.Fi=
leSystem.create(FileSystem.java:802)</div><div><span class=3D"" style=3D"wh=
ite-space:pre">	</span>at test.HDFSMain.main(HDFSMain.java:25)</div><div>Ca=
used by: java.lang.ClassNotFoundException: org.htrace.Trace</div><div><span=
 class=3D"" style=3D"white-space:pre">	</span>at java.net.URLClassLoader$1.=
run(URLClassLoader.java:366)</div><div><span class=3D"" style=3D"white-spac=
e:pre">	</span>at java.net.URLClassLoader$1.run(URLClassLoader.java:355)</d=
iv><div><span class=3D"" style=3D"white-space:pre">	</span>at java.security=
.AccessController.doPrivileged(Native Method)</div><div><span class=3D"" st=
yle=3D"white-space:pre">	</span>at java.net.URLClassLoader.findClass(URLCla=
ssLoader.java:354)</div><div><span class=3D"" style=3D"white-space:pre">	</=
span>at java.lang.ClassLoader.loadClass(ClassLoader.java:425)</div><div><sp=
an class=3D"" style=3D"white-space:pre">	</span>at sun.misc.Launcher$AppCla=
ssLoader.loadClass(Launcher.java:308)</div><div><span class=3D"" style=3D"w=
hite-space:pre">	</span>at java.lang.ClassLoader.loadClass(ClassLoader.java=
:358)</div><div><span class=3D"" style=3D"white-space:pre">	</span>... 12 m=
ore</div></div><div><br></div><div>Thanks</div></div>

--94eb2c05d498e7a99a05219a16b7--