Why do I get message "Invalid or corrupt jarfile /jboss/jboss-modules.jar" while starting EAP6?

Issue

• Why do I get message Invalid or corrupt jarfile /jboss/jboss-modules.jar while starting EAP6?

• While trying to start JBoss EAP6 we get the following Error due to which we are unable to start JBoss EAP6

./standalone.sh 
=========================================================================
  JBoss Bootstrap Environment
  JBOSS_HOME: /home/userone/jboss-eap-6.0-GA
  JAVA: /home/userone/jdk1.5.0_22/bin/java
  JAVA_OPTS:  -server -Xms1303m -Xmx1303m -XX:MaxPermSize=256m -Djava.net.preferIPv4Stack=true -Dorg.jboss.resolver.warning=true -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 -Djboss.modules.system.pkgs=org.jboss.byteman -Djava.awt.headless=true -Djboss.server.default.config=standalone.xml
=========================================================================
Invalid or corrupt jarfile /home/userone/jboss-eap-6.0-GA/jboss-modules.jar