Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
Accumulo, mail # user - Uncaught exception


Copy link to this message
-
Re: Uncaught exception
Billie Rinaldi 2013-03-02, 16:49
On Sat, Mar 2, 2013 at 8:44 AM, John Vines <[EMAIL PROTECTED]> wrote:

> Accumulo 1.4.x does not work against Hadoop 2.
>

John Vines makes a good point about 1.4 not working with Hadoop 2.
> However, your error is different. Are you sure you have Hadoop_home
> pointing at the right path. If you run bin/Accumulo classpath, you should
> get a listing which includes a smorgasbord of Hadoop classes.
>
> Sent from my phone, please pardon the typos and brevity.
> On Mar 2, 2013 11:25 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.
>
>