7/21/2019 2014 Managing Multiple Instances of Java on Same Host

1/6

Managing multiple instances of JAVA on samehost

Background

Unlike many Windows applications, multiple instances of JAVA may beinstalled on a single host.

Multiple installs may be of the same ersion, or a mi! of earlier and newerersions.

Various "#$M$%"&'(M products re)uire that JAVA be installed on the localhost.

*owe er, JAVA ersion re)uirements may di+er.

or e!ample, %- re)uires that JAVA be installed to support part letranslation. /he actual ersion number is not critical. 0n the other hand,U1203 re)uires B0/* 45bit and 67bit ersions of JAVA to be installed.

What methods can be used to determine the number, ersion andattributes of all JAVA ersions on a single host8

1eneral 'rinciples/he U1##9JAVA9*0M$ en ironment ariable must point to the basedirectory of the J:$ installation.

*ow to nd all instances of JAVA installed on any one host

Method ;

3ontrol 'anel =>

'rograms =>

'rograms and eatures

All installed Ja a ersionDs< are listed.

7/21/2019 2014 Managing Multiple Instances of Java on Same Host

3/6

Ad antage of Method 5

Accessories =>

3ommand 'rompt

$!ample?

7/21/2019 2014 Managing Multiple Instances of Java on Same Host

5/6

3hange directory to each indi idual JAVA install location

$!ample?

c?@apps@Ja a@CreF!67@bin@Ca a = ersion

Ca a ersion ;.F.G95H

Ja aD/M< "$ :untime $n ironment Dbuild ;.F.G95H=b;6