Change the Jdeveloper JDK version

if you want to change the JDK version used on our local jdeveloper Two things need to be done

1. Change the jdk version of Jdeveloper for compilation
2. Change the JDK version of Integrated weblogic servers.

Changing the JDK version of jdeveloper

1. Go to MIDDLEWAREHOME\jdeveloper\jdev\bin
2. open jdev.conf in notepad
3. edit below line to point to new JDK version and save file

SetJavaHome C:\Oracle\Middleware\jdk1.7.0_79

restart jdeveloper and go to help-->about-->version tab to see new jdk version as shown in below screenshot

Changing the JDK version of Integrated Weblogic server

1. go to default domain folder of local weblogic server .e.g path C:\Users\XXXX\AppData\Roaming\JDeveloper\system11.1.1.9.40.66.73\DefaultDomain\bin
2. Open setDomainEnv.cmd (Windows)/setDomainEnv.sh file (Linux)(.cmd for Windows)
3. replace the SUN_JAVA_HOME and JAVA_HOME with new JDK version path as shown below

#set SUN_JAVA_HOME=C:\Oracle\Middleware\jdk160_29

set SUN_JAVA_HOME=C:\Oracle\Middleware\jdk1.7.0_79

if "%JAVA_VENDOR%"=="Oracle" (

set JAVA_HOME=%BEA_JAVA_HOME%

) else (

if "%JAVA_VENDOR%"=="Sun" (

set JAVA_HOME=%SUN_JAVA_HOME%

) else (

set JAVA_VENDOR=Sun

set JAVA_HOME=C:\Oracle\Middleware\jdk1.7.0_79

)

)

restart local weblogic server .While server is starting the new JDK path will show in logs as below