基础环境
OS:Red Hat Enterprise Linux Server release 7.3 (Maipo)
weblogic :name="WebLogic Server" version="10.3.6.0"
weblogic原来java 版本：
[weblogic@prod04 jvm]$ ./java-1.7.0-openjdk-1.7.0.111-2.6.7.8.el7.x86_64/jre/bin/java -version
java version "1.7.0_111"
OpenJDK Runtime Environment (rhel-2.6.7.8.el7-x86_64 u111-b01)
OpenJDK 64-Bit Server VM (build 24.111-b01, mixed mode)
更改java 版本：
[weblogic@prod04 bin]$ pwd
/u02/bea1036/user_projects/domains/base_domain/bin
[weblogic@prod04 bin]$ vi setDomainEnv.sh
编辑 setDomainEnv.sh 文件，修改如下参数：
启动weblogic:
[weblogic@prod04 base_domain]$ ./startWebLogic.sh
.
.
JAVA Memory arguments: -Xms512m -Xmx512m
.
WLS Start Mode=Development
.
CLASSPATH=/u02/bea1036/patch_wls1036/profiles/default/sys_manifest_classpath/weblogic_patch.jar:/u02/bea1036/patch_ocp371/profiles/default/sys_manifest_classpath/weblogic_patch.jar:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64/jre/lib/tools.jar:/u02/bea1036/wlserver_10.3/server/lib/weblogic_sp.jar:/u02/bea1036/wlserver_10.3/server/lib/weblogic.jar:/u02/bea1036/modules/features/weblogic.server.modules_10.3.6.0.jar:/u02/bea1036/wlserver_10.3/server/lib/webservices.jar:/u02/bea1036/modules/org.apache.ant_1.7.1/lib/ant-all.jar:/u02/bea1036/modules/net.sf.antcontrib_1.1.0.0_1-0b2/lib/ant-contrib.jar:/u02/bea1036/wlserver_10.3/common/derby/lib/derbyclient.jar:/u02/bea1036/wlserver_10.3/server/lib/xqrl.jar
.
PATH=/u02/bea1036/wlserver_10.3/server/bin:/u02/bea1036/modules/org.apache.ant_1.7.1/bin:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64/jre/jre/bin:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64/jre/bin:/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.111-2.6.7.8.el7.x86_64/jre/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/weblogic/.local/bin:/home/weblogic/bin
.
***************************************************
* To start WebLogic Server, use a username and *
* password assigned to an admin-level user. For *
* server administration, use the WebLogic Server *
* console at http://hostname:port/console *
***************************************************
starting weblogic with Java version:
openjdk version "1.8.0_102"
OpenJDK Runtime Environment (build 1.8.0_102-b14)
OpenJDK 64-Bit Server VM (build 25.102-b14, mixed mode)
Starting WLS with line:
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64/jre/bin/java -Xms512m -Xmx512m -Dweblogic.Name=AdminServer -Djava.security.policy=/u02/bea1036/wlserver_10.3/server/lib/weblogic.policy -da -Dplatform.home=/u02/bea1036/wlserver_10.3 -Dwls.home=/u02/bea1036/wlserver_10.3/server -Dweblogic.home=/u02/bea1036/wlserver_10.3/server -Dweblogic.management.discover=true -Dwlw.iterativeDev= -Dwlw.testConsole= -Dwlw.logErrorsToConsole= -Dweblogic.ext.dirs=/u02/bea1036/patch_wls1036/profiles/default/sysext_manifest_classpath:/u02/bea1036/patch_ocp371/profiles/default/sysext_manifest_classpath weblogic.Server
登陆控制台检查java 版本是否更新：
