Error: could not find libjava.so, Error: could not find Java 2 Runtime Environment

Question

I uninstalled java j2sdk1.4.2_12 java on my Linux Server and Install jdk1.6.0_21, but when I am trying to run any script I am getting following Error

Error: could not find libjava.so 
Error: could not find Java 2 Runtime Environment.

I already set classPath and Path like :

In vi ~/.bashrc

export JAVA_HOME=/home/java/jdk1.6.0_21/
export PATH=$PATH:/home/java/jdk1.6.0_21/bin
export set CLASSPATH=/usr/java/j2sdk1.4.2_12/lib/mysql-connector-java-5.1.6-bin.jar:    /home/java/jdk1.6.0_21/jre/lib:/root/mis/mod:$CLASSPATH

ulimit -c unlimited

IN vi ~/.bash_profile

JAVA_HOME=/home/java/jdk1.6.0_21/
PATH=$PATH:$HOME/bin:$HOME/mis/mod:
PATH=/home/java/jdk1.6.0_21/bin:$PATH
CLASSPATH=$CLASSPATH:/home/java/jdk1.6.0_21/lib:.:
export JAVA_HOME
export PATH
export CLASSPATH
unset USERNAME

When I run following Commands

which java

/home/java/jdk1.6.0_21/bin/java

java -version

java version "1.6.0_21"
Java(TM) SE Runtime Environment (build 1.6.0_21-b06)
Java HotSpot(TM) Server VM (build 17.0-b16, mixed mode)

I am not getting where is the issue. Can Any one help me ?

Answer 1

I encounter this issue before. It turns out there are 2 javac program sitting on my machine. They are in /usr/bin/javac and /bin/javac . My system used the /bin/javac one. The right path for me is /usr/bin/javac . Removing /bin/javac helped

Answer 2

I faced the same issue, and it disppeared by just shutting down the CentOS VM and then starting again. Then type in javac command again to check.