Thanks, that looks just right On Sat, Mar 2, 2013 at 7:48 PM, Billie Rinaldi <[email protected]> wrote:
> On Sat, Mar 2, 2013 at 8:24 AM, jiun bookworm <[email protected]>wrote: > >> This may be a noob issue, but some help would be appreciated. >> im trying out accumulo, and i have setup zookeeper and hadoop in a single >> node setup >> when i try to start accumulo this is what i see, >> >> accumulo-1.4.2]$ ./bin/accumulo init >> Uncaught exception: org/apache/hadoop/io/WritableComparable >> java.lang.NoClassDefFoundError: org/apache/hadoop/io/WritableComparable >> at java.lang.ClassLoader.defineClass1(Native Method) >> at java.lang.ClassLoader.defineClass(ClassLoader.java:634) >> at >> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) >> at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) >> at java.net.URLClassLoader.access$000(URLClassLoader.java:73) >> at java.net.URLClassLoader$1.run(URLClassLoader.java:212) >> at java.security.AccessController.doPrivileged(Native Method) >> at java.net.URLClassLoader.findClass(URLClassLoader.java:205) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:321) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:266) >> at org.apache.accumulo.core.Constants.<clinit>(Constants.java:91) >> at >> org.apache.accumulo.server.util.Initialize.<clinit>(Initialize.java:99) >> at java.lang.Class.forName0(Native Method) >> at java.lang.Class.forName(Class.java:264) >> at >> org.apache.accumulo.start.classloader.AccumuloClassLoader.loadClass(AccumuloClassLoader.java:363) >> at >> org.apache.accumulo.start.classloader.AccumuloClassLoader.loadClass(AccumuloClassLoader.java:370) >> at org.apache.accumulo.start.Main.main(Main.java:48) >> Caused by: java.lang.ClassNotFoundException: >> org.apache.hadoop.io.WritableComparable >> at java.net.URLClassLoader$1.run(URLClassLoader.java:217) >> at java.security.AccessController.doPrivileged(Native Method) >> at java.net.URLClassLoader.findClass(URLClassLoader.java:205) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:321) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:266) >> ... 17 more >> >> i have set the environement settings properly, >> >> test -z "$ACCUMULO_HOME" && export >> ACCUMULO_HOME=/home/me/eng/source/storage/accumulo-1.4.2 >> test -z "$JAVA_HOME" && export >> JAVA_HOME=/usr/lib/jvm/jre-1.6.0-openjdk.x86_64/ >> test -z "$HADOOP_HOME" && export >> HADOOP_HOME=/home/me/eng/source/storage/hadoop >> test -z "$ZOOKEEPER_HOME" && export >> ZOOKEEPER_HOME=/home/me/eng/source/storage/zookeeper-3.4.5 >> test -z "$ACCUMULO_LOG_DIR" && export >> ACCUMULO_LOG_DIR=$ACCUMULO_HOME/logs >> >> what could be the issue, the hadoop im using is 2.0.3alpha. >> > > Hadoop 2.0 doesn't put its jars in the HADOOP_HOME directory like Hadoop > 1.0 does, and Accumulo can't find them. You can solve this issue by adding > the directories where Hadoop 2.0 keeps its jars to the general.classpaths > property in the accumulo-site.xml file (example lines that worked for me > with 2.0.2-alpha are below), or you can symlink the Hadoop jars Accumulo > needs into the HADOOP_HOME directory. I'm not sure what the minimal > required set of jars is, though. > > $HADOOP_HOME/share/hadoop/common/lib/[^.].*.jar, > $HADOOP_HOME/share/hadoop/hdfs/lib/[^.].*.jar, > $HADOOP_HOME/share/hadoop/mapreduce/lib/[^.].*.jar, > $HADOOP_HOME/share/hadoop/common/[^.].*.jar, > $HADOOP_HOME/share/hadoop/hdfs/[^.].*.jar, > $HADOOP_HOME/share/hadoop/mapreduce/[^.].*.jar, > > Billie >
