Upgrade the JDK used by Oracle WebLogic Server 11g to a Different Version:

Warning: This server is not secure. Upgrade to Java 1.7.0_191 or higher.

Example: Current Java Version : 1.7.0_121

[oracle@testing]$ java -version
java version “1.7.0_121”
Java(TM) SE Runtime Environment (build 1.7.0_121-b15)
Java HotSpot(TM) Server VM (build 24.121-b15, mixed mode)

[oracle@testing]$

Follow the below steps to upgrade JDK version in SOA instance.

1. Stop all the Services.
2. Backup Middleware home directory. </u01/oracle/product/mw_home>.
3. Backup jdk home /u01/oracle/product/jdk1.7.0_121 and rename it to jdk_old.
4. Install the JDK 1.7.0_191 or higher version in the below location.
5. /u01/oracle/product/jdk1.7.0_271.
6. Create directory under new JDK home mkdir -p /u01/oracle/product/jdk1.7.0_271/jre/lib/endorsed.
7. Copy the following files from /u01/oracle/product/<middlewwar_home>/111/modules to /u01/product/jdk1.7.0_271/jre/lib/endorsed/

1. javax.annotation_1.0.0.0_1-0.jar
   ii.  javax.xml.bind_2.1.1.jar
   iii. javax.xml.ws_2.1.1.jar
2. Start the services and retest the issue.