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Setting CLASSPATH, PATH, and LD_LIBRARY_PATH  linux

Posted on 2002-04-23
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Last Modified: 2012-05-04
New to linux
I just installed j2sdk in Linux redhat. I installed the files in /usr/java/j2sdk1.4.0
The above directory contains
jre , lib , inlcude etc.

I use .bash_profile to set my PATH and here are some entries

PATH=$PATH:$HOME/BIN:.
BASH_ENV=$HOME/.bashrc
USERNAME:root

How should configure to make javac work.

Thanks
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Question by:yassin092898
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8 Comments
 
LVL 92

Expert Comment

by:objects
ID: 6964438
Make the following changes:

JAVA_HOME=/usr/java/j2sdk1.4.0
PATH=$PATH:$HOME/BIN:$JAVA_HOME/bin:.
0
 

Author Comment

by:yassin092898
ID: 6966145
I am getting these error from javac

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

Thanks
0
 
LVL 92

Expert Comment

by:objects
ID: 6967076
Try adding the following as well:

LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$JAVA_HOME/lib
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Author Comment

by:yassin092898
ID: 6969515
I still have the same problem.

I use bash as my commnad shell and .bash_profile to set my PATH and here are some entries


JAVA_HOME=/usr/java/j2sdk1.4.0
PATH=$PATH:$HOME/bin:$JAVA_HOME:$JAVA_HOME/jre/lib/i386:.
CLASS_PATH==/usr/java/j2sdk1.4.0/lib/i386
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$CLASSPATH
BASH_ENV=$HOME/.bashrc
USERNAME:root

I am getting the same erros from javac

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


Thanks
0
 
LVL 92

Expert Comment

by:objects
ID: 6969844
Remove that CLASSPATH entry.
And try replace the one below it with:
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$JAVA_HOME/lib/i386

WHich dir is libjava.so actually in?
(And include that directory in LD_LIBRARY_PATH).
0
 

Author Comment

by:yassin092898
ID: 6991352
libjava.so is in

/usr/java/j2sdk1.4.0/jre/lib/i386

is there any way I can tell javac where to find the library using the command line.

Thanks
0
 
LVL 92

Accepted Solution

by:
objects earned 400 total points
ID: 6992518
Try adding /usr/java/j2sdk1.4.0/jre/lib/i386 to your LD_LIBRARY_PATH.
0
 
LVL 92

Expert Comment

by:objects
ID: 6997708
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