Bundled JDK versus own JDK for Weblogic 10.3.5

What difference does it makes if I do not select the JDK that comes bundled with Oracle Weblogic server 10.3.5.
The JDK bundled with Oracle 10.3.5 is 1.6.0_24.
However if i select the JDk that is installed on my system (C:/ProgramFiles/Java/jdk1.6.0_27.
Also for the production environment ,What difference does it make if I select jrocket or Sun during installation.
Does this choice make a difference in performance and other features.
I am doing an upgrade from 9.1 to 10.3.5
9.1 uses the JDK that comes bundled with bea i.e jrocket1.5_04 but with 10.3.5 I am using JDk installed on my computer (Sun Java 1.6.0_27)
Will this affect my application?
Thanks

Hi
Weblogic do NOT force or restricts to use JDK that is bundled with it. Absolutely Not. You can use any JDK (Sun or JRockit) from any location (other then bundled location which is inside middleware home). Infact if you have 64 Bit Machines (windows or linux), you are expected to manually first download 64 bit JDK (Sun or JRockit) and put this in PATH. Then you download and install Weblogic Server Generic Installer (wls1035_generic.jar) using a .JAR installer. And this do NOT install any JDK. But refers to the jdk that you installed. Bascially you use command like java -jar -d64 wls1035_generic.jar to install.
Anyhow, the point is, this JDK location is stored in the domain/bin/setDomainEnv.cmd (.sh) file. So when you create a Domain, at one point, you always have option to use any JDK by hitting browse button and selecting that jdk home. Even after domain created also, still you can switch to any JDK at anytime by just editing the setDomainEnv file for the JAVA_HOME location.
Now, there is no hard code rule to use either Sun or JRockit in Development or Production. Many customers do lot of testing and then go with one jdk. General theory is JRockit (BEAs proprietory JDK, bought from Sweden) gives better performance. But personally unless you do full testing and do all proper tuning at server level, env level, os level, then conclude which jdk is better to use.
Finally, if you are upgrading your existing 9.1 app to 10.x domain, that uses different JDK, it should still work. But make sure that you compile your old application with this new jdk, to avoid any incompatible class signature issues. Older versions of jdk compiled should work on higher new versions of jdk, but still I would prefer to recompile everything with the JDK version that is going to be on the Domain side.
Thanks
Ravi Jegga

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Folks,
Hello. I am installing PeopleTools 8.50 and its PIA according to the document
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujul2009.html
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Hi.
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Rakesh Gupta wrote:
Is there service pack available for weblogic 5.1 to work with JDK 1.4 for NT Environment--
Michael Young
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BEA Support

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Daniel L Williams wrote:
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Please help! JDK for Mac

Hello, I'm wondering if anyone could help me (probably anyone because it is such an easy problem). I've been developing simple applications in Windows 95 using a simple text editor and MD dos as a compiler. Now I've moved to an Apple (using OS 9.1) and I can't seem to find where I can download the latest JDK for this platform. Also, what programs would be best for writing and compiling and where can I find them? Thankyou very much

Apple has not implemented Java 2 on Mac OS 9.x, only on Mac OS X. Under Mac OS 9.x you are limited to JDK 1.1.8 available at:
http://www.apple.com/java/
Please note that you may or may not have to add the Swing classes.
There are many development environments for the Mac including MPW and CodeWarrior. A good editor for the Mac is BBEdit, my choice for "raw HTML coding" software for the Mac. Gives you ultimate control over your HTML layout, plus tons of tools for HTML checking and tweaking. From Barebones Software at:
www.barebones.com

Iplanet 6 - set jdk for specific web server instance

I am running iPlanet 6 with many web server instances. All web server instances are using the same jdk except for one which I must upgrade.
Is there a way to set the jdk for a single web server instance?

It is possible in V6.0 too:
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3. Modify each https-*/start script to use this new start-jvm script instead of the one in https-admserv.
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Help! where to find the JDK for Unix ??

I want to install a tomcat project in the Operation System (Digital Unix 4.0F) , It is a matter of great urgency. who can tell me where I could find
the URL to down load the JDK for Digital Unix 4.0F ?
thank you very much.

I don't think there is a JDK for this platform...

Java 6 JDK For MBP 2012 ML?

Hi. I want to pursue Java programming, but I need the JDK (java deveopment kit) for Java 6 for Mac... I went to Oracle's site and they have a ton of different downloads. There is an FAQ for mac users but they provide no information what so ever for downloading the correct JDK... Does anyone know where to get the java 6 JDK for mac ml?
Much less important, and just a side question, does anybody know if the LWJGL- lightweight java game library (for Java computer games) from lwjgl.org is a safe thing to download? I need it to fix an audio issue with a game.
Thanks.

Sounds like you have a lot to learn here and I'm probably not the right person to be giving you advice since I've never even been close to doing anything beyond using Java. I do know enough to be dangerous, but limited mostly to it's vulnerability these days and most of how it interfaces with OS X, but there's still a lot of holes in my knowledge base, especially these days.
My impression was that you planned on doing Java 6 development since you were asking about obtaining it's JDK. I couldn't help but wonder why you wanted to start there, but figured you had a reason. Java 6 is all but obsolete now and although there is still a bunch of code that requires it, I don't see any point in developing anything new there.
But to try and answer your last set of questions....
I also need to install the Java 7 Update 15 right? From the Oracle Website?
Yes, but if you are going to use it for development you will need to get the JDK from Oracle, not the JRE from java.com. Go to Java SE Downloads and under "Java Platform, Standard Edition" use the download button under "JDK".
Whenever I go to terminal it says 1.6.0_41, that is due to the fact that there is technically 'two' java's on a mac, correct?
The Terminal process "java" only knows about one set of Java code and for now that is Apple's because it knows where Apple stores Java SE 6. I am told that once you install JDK 7 then it comes with a new "java" process which only knows where Oracle stores Java SE 7, so it will start reporting only 1.7.0_xx.
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we have realized that there are two versions: the one that terminal tells you about, which I have. and the one that is either in 'system prefs' or the ultility 'java prefs', which I do not have.
The other (Oracle's Java 7) is only controlled using the Java Control Panel which can be accessed from System Preferences->Java and you apparently don't have it yet.
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I suppose Oracle's version and Apple's version just use the same numbering which confuses me/other people.
Not sure how you came to that conclusion. I thought I had been pretty clear that Apple provided Java SE 6 1.6.0_41 and below and Oracle now provides OS X users with Java SE 7 1.7.0_xx and above.
Lastly, when you install the Oracle Java SE 7 JDK, your browser plug-in will be changed to Java 7. I've probably already said this, but unless you need to use Java with your browser you should only enable it when you must visit a trusted site and only while you are there. If, for any reason, you need to revert to the Java SE 6 Apple plug-in, then you will have to go through the procedures shown in the document Java for OS X 2013-001: How to re-enable the Apple-provided Java SE 6 web applet plug-in and Web Start functionality

JDK for containers

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No. You must use the supplied JDK (1.2.2).
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Compatible JDK for NWDS SP15

hi can you please tell me what is the compatible JDK version for NWDS SP 15.
Thanks
Rahul

Hi rahul,
Use this JDK for your version:
j2sdk1.4.2_08
I hope this helps!
Thanks and Regards
Pravesh

Bundled JDK versus own JDK for Weblogic 10.3.5

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