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Strange issue installing Java 8

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Operating Systems AIX Strange issue installing Java 8
# 1  
Old 07-12-2018
Strange issue installing Java 8

I just intalled java8_64.jre and .sdk respectively

installp -agXYd . Java8_64.jre Java8_64.sdk 2>&1 | tee installp.log

Worked like a champ. Now I see this--

jeff@server:/usr> ls -l | grep java
drwxr-xr-x    9 bin      bin             512 Sep 22 2010  java14
drwxr-xr-x    7 bin      bin             512 Oct 13 2015  java5
drwxr-xr-x    8 bin      bin             512 Oct 13 2015  java6
drwxr-xr-x    7 bin      bin             512 Sep 18 2014  java6_64
drwxr-xr-x    3 bin      bin             512 Feb 09 2015  java8_64

I added the path to the profile and resourced/logged out..


export PATH

Everything is how i have done it a million times. Heres the fun part...

jeff@server:/home1/jeff> java -version
java version "1.4.2"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2)
Classic VM (build 1.4.2, J2RE 1.4.2 IBM AIX build ca142-20090307 (SR13) (JIT enabled: jitc))
jeff@server:/home1/jeff> whereis java
java: /usr/lib/java
jeff@server:/home1/jeff> whence java

Anyone have some tips that can help the profile, whereis, whence, which (its the same was whence) all equal java 8. I need to do this for root as well.. thanks in advance
# 2  
Old 07-12-2018
What is the output of which java?
# 3  
Old 07-12-2018
Same as whence

Sorry. I don't think I can do tags on mobile
# 4  
Old 07-12-2018

Appends the new java path to the existing PATH.
What is the resulting PATH
echo $PATH

# 5  
Old 07-12-2018
I don't say you are doing it wrong... But somehow you do... Java should be in your path and that should be a link to the version you are using! Also maybe it is wrong on my site and you are doing it... You decide Smilie
For me java is in /usr/bin and that is a link to /usr/bin/java -> /some very long path/java
# 6  
Old 07-12-2018
I'm with MadeInGermany and DukeNuke2 who are both on track but let me explain this the way I see it.

Normally apps look for Java at either /usr/java or /usr/lib/java (depending on exactly which O/S it is).

However, an installation of jre will install to something like /usr/jrel.8.n or whatever.

The key is that the install directory (e.g. /usr/jrel.8.1) needs to be linked to the apps expected location (e.g. /usr/java) like:

# cd /usr
# ln -s jrel.8.1 /usr/java

then java apps and java version query commands can find the installed jre.

If you had previous versions of jre installed and that directory is still linked to /usr/java (or /usr/lib/java) then your apps will see the old version.

You will need to research what directory your apps expect java to be in and what directory your jre 8 is in, and link them.
# 7  
Old 07-13-2018
jeff@server:/home1/jeff> echo $PATH

jeff@server:/home1/t15krtk> java -version
java version "1.4.2"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2)
Classic VM (build 1.4.2, J2RE 1.4.2 IBM AIX build ca142-20090307 (SR13) (JIT enabled: jitc))

# cd /usr
# ln -s jrel.8.1 /usr/java

Ran with sudo np

---------- Post updated 07-13-18 at 06:33 AM ---------- Previous update was 07-12-18 at 06:12 PM ----------

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