Jave Unsupported major.minor version on Ubuntu7.10

[rbugar]

Hi,

always get this error. What could be wrong?



root@calor-ubuntu:~# /opt/OpenKM-2.0_JBoss-4.2.2.GA/bin/run.sh
=========================================================================

JBoss Bootstrap Environment

JBOSS_HOME: /opt/OpenKM-2.0_JBoss-4.2.2.GA

JAVA: java

JAVA_OPTS: -Dprogram.name=run.sh -server -Xms128m -Xmx512m -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 -Djava.net.preferIPv4Stack=true

CLASSPATH: /opt/OpenKM-2.0_JBoss-4.2.2.GA/bin/run.jar

=========================================================================

java.lang.UnsupportedClassVersionError: javax/management/NotificationEmitter (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at org.jboss.system.server.ServerLoader.createServer(ServerLoader.java:286)
at org.jboss.system.server.ServerLoader.load(ServerLoader.java:268)
at org.jboss.Main.boot(Main.java:194)
at org.jboss.Main$1.run(Main.java:508)
at java.lang.Thread.run(Thread.java:534)
root@calor-ubuntu:~# java -version
java version \"1.4.2-02\"
Java(TM) 2 Runtime Environment, Standard Edition (build Blackdown-1.4.2-02)
Java HotSpot(TM) Client VM (build Blackdown-1.4.2-02, mixed mode)
root@calor-ubuntu:~#

[jllort]

You must run with java 1.5 not java 1.4. Install java 1.5 version.