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POclasspath issue in hadoop java
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  1. POclasspath issue in hadoop java
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    copied!<pre><code>javac -classpath "/installs/hadoop-0.20.2/*.jar;/installs/hadoop-0.20.2/lib/*.jar" appClientModule/grid/comp/tools/CleanTmp.java appClientModule/grid/comp/tools/CleanTmp.java:2: package org.apache.hadoop.fs does not exist import org.apache.hadoop.fs.*; ^ appClientModule/grid/comp/tools/CleanTmp.java:3: package org.apache.hadoop.mapred does not exist import org.apache.hadoop.mapred.JobConf; ^ appClientModule/grid/comp/tools/CleanTmp.java:4: package org.apache.commons.logging does not exist import org.apache.commons.logging.*; ^ appClientModule/grid/comp/tools/CleanTmp.java:5: package org.apache.commons.logging.impl does not exist import org.apache.commons.logging.impl.Log4JLogger; ^ appClientModule/grid/comp/tools/CleanTmp.java:8: cannot find symbol symbol : class Log4JLogger location: class grid.comp.tools.CleanTmp Log4JLogger lg=new Log4JLogger(this.getClass().getName()); ^ appClientModule/grid/comp/tools/CleanTmp.java:9: cannot find symbol symbol : class JobConf location: class grid.comp.tools.CleanTmp JobConf jconf; ^ appClientModule/grid/comp/tools/CleanTmp.java:8: cannot find symbol symbol : class Log4JLogger location: class grid.comp.tools.CleanTmp Log4JLogger lg=new Log4JLogger(this.getClass().getName()); ^ 7 errors tools $ javac -classpath "/installs/hadoop-0.20.2/*.jar;/installs/hadoop-0.20.2/lib/*.jar" appClientModule/grid/comp/tools/CleanTmp.java jabir:CompareHdfs jabir.ahmed$ javac -classpath "/installs/hadoop-0.20.2/*.jar;/installs/hadoop-0.20.2/lib/*.jar" appClientModule/grid/comp/tools/CleanTmp.java appClientModule/grid/comp/tools/CleanTmp.java:2: package org.apache.hadoop.fs does not exist import org.apache.hadoop.fs.*; ^ appClientModule/grid/comp/tools/CleanTmp.java:3: package org.apache.hadoop.mapred does not exist import org.apache.hadoop.mapred.JobConf; ^ appClientModule/grid/comp/tools/CleanTmp.java:4: package org.apache.commons.logging does not exist import org.apache.commons.logging.*; ^ appClientModule/grid/comp/tools/CleanTmp.java:5: package org.apache.commons.logging.impl does not exist import org.apache.commons.logging.impl.Log4JLogger; ^ appClientModule/grid/comp/tools/CleanTmp.java:8: cannot find symbol symbol : class Log4JLogger location: class grid.comp.tools.CleanTmp Log4JLogger lg=new Log4JLogger(this.getClass().getName()); ^ appClientModule/grid/comp/tools/CleanTmp.java:9: cannot find symbol symbol : class JobConf location: class grid.comp.tools.CleanTmp JobConf jconf; ^ appClientModule/grid/comp/tools/CleanTmp.java:8: cannot find symbol symbol : class Log4JLogger location: class grid.comp.tools.CleanTmp Log4JLogger lg=new Log4JLogger(this.getClass().getName()); ^ 7 errors tools $ ls /installs/hadoop-0.20.2/lib/*.jar /installs/hadoop-0.20.2/lib/ant-contrib-1.0b3.jar /installs/hadoop-0.20.2/lib/jasper-runtime-5.5.12.jar /installs/hadoop-0.20.2/lib/aspectjrt-1.6.5.jar /installs/hadoop-0.20.2/lib/jets3t-0.6.1.jar /installs/hadoop-0.20.2/lib/aspectjtools-1.6.5.jar /installs/hadoop-0.20.2/lib/jetty-6.1.26.cloudera.1.jar /installs/hadoop-0.20.2/lib/commons-cli-1.2.jar /installs/hadoop-0.20.2/lib/jetty-servlet-tester-6.1.26.cloudera.1.jar /installs/hadoop-0.20.2/lib/commons-codec-1.4.jar /installs/hadoop-0.20.2/lib/jetty-util-6.1.26.cloudera.1.jar /installs/hadoop-0.20.2/lib/commons-daemon-1.0.1.jar /installs/hadoop-0.20.2/lib/jsch-0.1.42.jar /installs/hadoop-0.20.2/lib/commons-el-1.0.jar /installs/hadoop-0.20.2/lib/junit-4.5.jar /installs/hadoop-0.20.2/lib/commons-httpclient-3.1.jar /installs/hadoop-0.20.2/lib/kfs-0.2.2.jar /installs/hadoop-0.20.2/lib/commons-logging-1.0.4.jar /installs/hadoop-0.20.2/lib/log4j-1.2.15.jar /installs/hadoop-0.20.2/lib/commons-logging-api-1.0.4.jar /installs/hadoop-0.20.2/lib/mockito-all-1.8.2.jar /installs/hadoop-0.20.2/lib/commons-net-1.4.1.jar /installs/hadoop-0.20.2/lib/oro-2.0.8.jar /installs/hadoop-0.20.2/lib/core-3.1.1.jar /installs/hadoop-0.20.2/lib/servlet-api-2.5-20081211.jar /installs/hadoop-0.20.2/lib/hadoop-fairscheduler-0.20.2-cdh3u2.jar /installs/hadoop-0.20.2/lib/servlet-api-2.5-6.1.14.jar /installs/hadoop-0.20.2/lib/hsqldb-1.8.0.10.jar /installs/hadoop-0.20.2/lib/slf4j-api-1.4.3.jar /installs/hadoop-0.20.2/lib/jackson-core-asl-1.5.2.jar /installs/hadoop-0.20.2/lib/slf4j-log4j12-1.4.3.jar /installs/hadoop-0.20.2/lib/jackson-mapper-asl-1.5.2.jar /installs/hadoop-0.20.2/lib/xmlenc-0.52.jar /installs/hadoop-0.20.2/lib/jasper-compiler-5.5.12.jar## Heading ## </code></pre> <p>So how do i set the class path</p> <p>I tried setting via the env variable too</p> <p>$ echo $CLASSPATH /installs/hadoop/lib/<em>.jar:/installs/hadoop/</em>.jar:/installs/hadoop-0.20.2/<em>.jar:/installs/hadoop-0.20.2/lib/</em>.jar</p> <p>it still fails</p> <p>$ javac -version javac 1.6.0_29</p>
 

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