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SAP Nweweaver JRE version

Former Member
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How can I find out what version of the JAVA JRE the SAP Java WAS is running? For Windows and Sun Solaris? Also can the version of the JRE be upgraded?

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Answers (1)

Former Member
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> java -version

Former Member
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My understanding is Java -version would tell you what the OS system default version is, however it may not be the version of the JRE that the Java WAS is running. There must be some way to determine what the actual JRE is that the server is running.

Former Member
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Hi

As far as I know there are some ways.

(1) check on web browser http://<xxxx>:5<xx>00 -> systeminfo

(2) check SAP profile

sappfpar all pf=<profilename> | grep "jstart/vm/home"

(3) check dev trace (ex. E:\usr\sap\AC8\J01\work\dev_jstart )

On my environment jstart/vm/home is configured below (Win/SQL)

NW7.0, C:\j2sdk1.4.2_17-x64\

NW7.1, E:\usr\sap\EP1\J01\exe\sapjvm_5

former_member190272
Active Contributor
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Hi,

JRE used 1.4_2 to 1.5_00.

Regards,

Pankaj Kumar

sunny_pahuja2
Active Contributor
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Hi Terry,

you are rgiht..

You can check Java stack version in JSPM tool also,

location of JSPM is /usr/sap/<SID>/<Instance no>/j2ee/JSPM

and run with go script in unix and go.bat in window. From there also you can know the version of java stack.

Thanks

Sunny

Former Member
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1. Open up MSDOS - cmd

2. Type: java -version

This will give you the following info but your results may vary as it will depend on the version of JAVA you have installed.

*"java version "1.4.2_16"*

*Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_16-b05)*

*Java HotSpot(TM) 64-Bit Server VM (build 1.4.2_16-b05, mixed mode)"*