[nSLUG] Re: Java Installation Question

Donald Teed donald.teed at gmail.com
Mon Nov 28 11:44:39 AST 2005

I see the problem... (below)

On 11/28/05, Kevin Fleming <kfleming at accesswave.ca> wrote:
> Hello Mike and Donald:
>         Firstly, thank you both for your replies to my query, and I do
> appreciate your taking the time to give me an answer.  I had thought of
> locate and the differences between which and whereis, but I had not
> known that tcsh had its' own version of which.
>         I guess I should have included a copy of the java.sh script I put
> into
> the /etc/profile.d/ directory, along with a copy labeled java.csh for
> other shell environments that may be used.  I use the Bourne Again
> SHell, but I guess that's just a matter of taste. Here it is (the shell
> file, that is) in /etc/profile.d/java.sh:
> export JRE_HOME=/usr/java/jre1.5.0_05
> export PATH=$PATH:JRE_HOME/bin

That should be:
 export PATH=$PATH:$JRE_HOME/bin

(should I have added a '/' on the end of that last line?)
>         This does seem to add the JRE_HOME variable to the $PATH command,
> as evidenced by the 'echo $PATH' command shown here:
> [kevin at kevinwork ~]$ echo $PATH
> /usr/bin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin/:/usr/games:JRE_HOME/bin:/home/kevin/bin:JRE_HOME/bin

When this is set, you shouldn't see "JRE_HOME" in the  PATH, but rather the
resolved value pointing to the actual directory.

        But whereis and which both do NOT find the java executable for some
> reason, even if the PATH has the variable included in it:
> [kevin at kevinwork ~]$ whereis java
> java:
> [kevin at kevinwork ~]$ which java
> which: no java in
> (/usr/bin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin/:/usr/games:JRE_HOME/bin:/home/kevin/bin:JRE_HOME/bin)
>         When I run locate as root or in my normal login, it finds all the
> usual
> suspects in all the usual places, and lists them no problem. (The output
> is huge, and lists all files with 'java' included in the names)  But
> when I run /usr/java/jre1.5.0_05/bin/java -version as root, here is the
> output:
> [root at kevinwork kevin]# /usr/java/jre1.5.0_05/bin/java -version
> java version "1.5.0_05"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_05-b05)
> Java HotSpot(TM) Client VM (build 1.5.0_05-b05, mixed mode, sharing)
> And as my normal login, here is the output:
> [kevin at kevinwork ~]$ /usr/java/jre1.5.0_05/java -version
> bash: /usr/java/jre1.5.0_05/java: No such file or directory
>         I am wondering if I should perhaps edit my .bashrc or
> .bash_profile
> file to include the path to the java directories, and have it available
> for the shell to set in my user accounts?
>         Where have I made the error, and how do I correct it?  Should I
> link to
> the java executable in /usr/bin and go that way, or can I fix it by
> editing the .bash_profile PATH variable setting in that file?  This one
> has me stumped, as I am not sure why it is happening, nor do I know what
> is causing it to happen.  I had thought that adding the java.sh script
> would set the PATH variable to include the directory globally, and I
> wouldn't have to fool with any other PATH variables to get it to show up
> in a user login.  I guess I was wrong on that, unless there is something
> wrong with my shell script.
>         Any ideas, comments, or suggestions will be considered.  Of course
> I
> don't think that 'rm *.*' at the root is really a solution to the
> problem. ;-)
> --
> Kevin Fleming
> kfleming at accesswave.ca
> 21 Winterhill Road
> RR#1 Site 18 Box 18
> Lower East Chezzetcook
> Nova Scotia B0J 1N0
>   .~.
>   /V\
> /( )\
> ^^-^^
> Registered Linux User# 197985
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