JREHOME not found AIX 7.2 Post: 302995437

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Top Forums UNIX for Beginners Questions & Answers JREHOME not found AIX 7.2 Post 302995437 by bakunin on Wednesday 5th of April 2017 04:33:10 PM

04-05-2017

Registered User

Hi and welcome.

Quote:

Originally Posted by one_eyed_man

After upgrading from AIX 6.1.8 to 7.2.0 none of my apps even look like starting coming up with JREHOME not found, this was a clone of an existing box which is still running but this doesn't have this variable defined, its running JAVA6_64.
I tried defining the JREHOME to point at the JAVA bin directory but no luck.

IBM did a helluva job in mystifying where the java binary is in various versions: there is a shell variable pointing to a symbolic link, which points to another symbolic linkw, which ....

My first suggestion is to deinstall all the JAVA-versions which you have installed (as they are designed for a specific OS-version chances are they are for AIX 6.1 instead of 7.2 anyways) and then install the latest JAVA-version for your current OS-level.

If you need a specific JAVA-version (like JAVA6) you need to get that for AIX 7.2 from IBM (with a valid support contract you can download it from FixCentral) and then deinstall every JAVA-version now installed and then install the downloaded one. After this reboot the system to make sure eveey process needing JAVA is started with the newly installed version.

Notice that there are usually two directories with binaries: $JAVA/bin and $JAVA/jre/bin. $JAVA is usually /usr/java<something> where <something> depends on the version.

I hope this helps.

bakunin

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LEARN ABOUT DEBIAN

update-java-alternatives

UPDATE-JAVA-ALTERNATIVES(8)				      System Manager's Manual				       UPDATE-JAVA-ALTERNATIVES(8)

NAME

       update-java-alternatives - update alternatives for jre/sdk installations

SYNOPSIS

       update-java-alternatives [--jre] [--plugin] [-t|--test|-v|--verbose]
	     -l|--list [<jname>]
	     -s|--set <jname>
	     -a|--auto
	     -h|-?|--help

DESCRIPTION

       update-java-alternatives  updates  all alternatives belonging to one runtime or development kit for the Java language.  A package does pro-
       vide these information of it's alternatives in /usr/lib/jvm/.<jname>.jinfo.

OPTIONS

       -l|--list [<jname>]
	      List all installed packages (or just <jname>) providing information to set a bunch of java alternatives. Verbose output  shows  each
	      alternative provided by the packages.

       -a|--auto
	      Switch all alternatives of registered jre/sdk installations to automatic mode.

       -s|--set <jname>
	      Set all alternatives of the registered jre/sdk installation to the program path provided by the <jname> installation.

       --jre  Limit the actions to alternatives belong to a runtime environment, not a development kit.

       --jre-headless
	      Limit the actions to alternatives belong to the headless part of a runtime environment.

       --plugin
	      Limit the actions to alternatives providing browser plugins.

       -h|--help
	      Display a help message.

       -t|--test
	      Don't  actually do anything, just say what would be done.  The implementation status of this option is the same as for update-alter-
	      natives (not implemented).

       -v|--verbose
	      Verbose output.

FILES

       /usr/lib/jvm/.*.jinfo
	      A text file describing a jre/sdk installation. Consists of some variables of the form <var>=<value> and a list  of  alternatives	of
	      the form jre|jdk <name> <path>.

AUTHOR

       update-java-alternatives and this manual page was written by Matthias Klose <doko@ubuntu.com>.

								     May 2006					       UPDATE-JAVA-ALTERNATIVES(8)