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 SUSE

dacs.java

DACS.JAVA(7)						  DACS Miscellaneous Information					      DACS.JAVA(7)

NAME

       dacs.java - DACS Java support

DESCRIPTION

       This document describes support for Java provided by DACS.

       To enable Java support, DACS must be configured using the --enable-java flag. It may also be necessary to specify the location of the Java
       commands and include files. See dacs.install(7)[1].

	   Note
	   Java support is currently very limited and should be considered experimental. It is currently only possible to call dacsauth(1)[2] and
	   dacscheck(1)[3] using the Java Native Interface (JNI) provided. The command line arguments to both of these commands are exactly as
	   documented in their manual pages. Each argument is passed as a String.

	   The code is not thread-safe and is probably not suitable for being called many times within a particular process due to assumptions it
	   makes about dynamic memory allocation.

	   There are no immediate plans to improve or extend Java support. Using the existing capability to build the JNI layer, however, it
	   should not be difficult for an experienced Java programmer to build upon the example Java code provided.

       With Java support enabled, building DACS will copy the JNI shared library and a .jar file to the library directory (default:
       /usr/local/dacs/lib), and the JNI include files to the include directory (default: /usr/local/dacs/include).

       The tools/java/jni distribution directory contains a simple script called javarun that demonstrates how to run dacsauth or dacscheck as a
       Java application. For example, to validate the Unix password for user somebody, run (as root):

	   ./javarun dacsauth -m unix suff -user somebody -prompt

DIAGNOSTICS

       The return codes are as documented in the command's manual page.

AUTHOR

       Distributed Systems Software (www.dss.ca[4])

COPYING

       Copyright2003-2012 Distributed Systems Software. See the LICENSE[5] file that accompanies the distribution for licensing information.

NOTES

	1. dacs.install(7)
	   http://dacs.dss.ca/man/dacs.install.7.html

	2. dacsauth(1)
	   http://dacs.dss.ca/man/dacsauth.1.html

	3. dacscheck(1)
	   http://dacs.dss.ca/man/dacscheck.1.html

	4. www.dss.ca
	   http://www.dss.ca

	5. LICENSE
	   http://dacs.dss.ca/man/../misc/LICENSE

DACS 1.4.27b							    10/22/2012							      DACS.JAVA(7)