小编Jab*_*med的帖子

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 …