Ok, great I’d like to try the trunk, I got and compiled “common” and “hdfs” as follows but I can’t get it to startup ("NoClassDefFoundError" see below). Am I missing something?
svn co http://svn.apache.org/repos/asf/hadoop/hdfs/trunk svn co http://svn.apache.org/repos/asf/hadoop/common/trunk cd …. export ANT_HOME=/usr/share/ant export JAVA_HOME=/opt/java/jdk1.6.0_10-i586 export PATH=$JAVA_HOME/bin:$PATH ant -l build-compile.log \ -Dforrest.home=/usr/local/src/apache-forrest-0.8 \ -Djava5.home=/opt/java/jdk1.5.0_22-i586 \ package Then I copied everything from: /usr/local/src/hadoop/common/trunk/build/hadoop-hdfs-0.22.0-SNAPSHOT/* and: /usr/local/src/hadoop/hdfs/trunk/build/hadoop-core-0.22.0-SNAPSHOT/* to: /opt/hadoop/0.22-SNAPSHOT/ When I run start-dfs.sh I get “java.lang.NoClassDefFoundError” errors: [r...@amiller-e6400 ~]# start-dfs.sh starting namenode, logging to /opt/hadoop/0.22.0-SNAPSHOT/logs/hadoop-root-namenode-localhost.out localhost: starting datanode, logging to /opt/hadoop/0.22.0-SNAPSHOT/logs/hadoop-root-datanode-localhost.out localhost: Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/hdfs/server/datanode/DataNode localhost: Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.hdfs.server.datanode.DataNode Regards, Alan