unable to start jboss - Java error

I'm having an issue with starting jboss, when I start .run.sh script it gives me the following error

When I execute run.sh script found in  /root/downloads/jboss-4.2.2.GA/bin

[root@markt bin]# ./run.sh
=========================================================================

  JBoss Bootstrap Environment

  JBOSS_HOME: /root/downloads/jboss-4.2.2.GA

  JAVA: /opt/jdk1.6.0_16/bin/bin/java

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

  CLASSPATH: /root/downloads/jboss-4.2.2.GA/bin/run.jar

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

./run.sh: line 213: /opt/jdk1.6.0_16/bin/bin/java: No such file or directory

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Java version

[root@markt bin]# java -version
java version "1.6.0"
OpenJDK  Runtime Environment (build 1.6.0-b09)
OpenJDK Client VM (build 1.6.0-b09, mixed mode)

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which Java command

[root@markt bin]# which java
/usr/bin/java

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I tired setting JAVA_HOME variable within ./run.sh script but I'm still getting the same error