Weblogic version can be found using the weblogic.jar file provided in WLS_HOME location.
1. Go to WLS_HOME/lib location:
export WLS_HOME=/apps/bea/weblogic/wlserver/server
cd $WLS_HOME/lib
weblogic@exatree-host lib]$ ls -ltr weblogic.jar
-rw-r-----. 1 weblogic weblogic 774 Jun 7 2013 weblogic.jar
2. Use the below command to get the version:
$ java -cp weblogic.jar weblogic.version
WebLogic Server 12.1.2.0.0 Fri Jun 7 15:16:15 PDT 2013 1530982 WLS_12.1.2.0.0_GENERIC_130607.1100
Use 'weblogic.version -verbose' to get subsystem information
Use 'weblogic.utils.Versions' to get version information for all modules
3. You can use the verbose for detailed output with each component:
$ java -cp weblogic.jar weblogic.version -verbose
WebLogic Server 12.1.2.0.0 Fri Jun 7 15:16:15 PDT 2013 1530982 WLS_12.1.2.0.0_GENERIC_130607.1100 ImplVersion: 12.1.2.0.0
Oracle WebLogic Server Module Dependencies 12.1 Tue May 21 06:02:40 PDT 2013 ImplVersion: 12.1.2.0
Oracle Universal Connection Pool ImplVersion: 11.2.0.3.0
WebLogic RAC Module UCP Client Capable 3.0 Wed Jan 30 12:22:03 MST 2013 ImplVersion: 3.0.0.0
WebLogic EclipseLink Integration 3.0 Wed Oct 17 10:43:56 MDT 2012 ImplVersion: 3.0.0.0
WebLogic WebService META-INF/services Entries 2.0 Sun Mar 24 18:33:07 PDT 2013 ImplVersion: 2.0.0.0
WebLogic Diagnostics Instrumentor Config Tool 3.0 Wed May 30 20:33:53 UTC 2012 ImplVersion: 3.0.0.0
WebLogic Datasource 2.2 Binding Bundle ImplVersion: 2.2.0.0
WebLogic Beangen 2.1 Binding Bundle ImplVersion: 2.1.0.0
WebLogic Management Core Interfaces 4.0 Binding Bundle ImplVersion: 4.0.0.0
WebLogic Application Descriptors 2.0 Binding Bundle ImplVersion: 2.0.0.0
WebLogic Descriptors for J2EE 2.1 Binding Bundle ImplVersion: 2.1.0.0
WebLogic Specific Descriptors 3.0 Binding Bundle ImplVersion: 3.0.0.0
WebLogic Coherence Descriptor 3.0 Binding Bundle ImplVersion: 3.0.0.0
WebLogic Coherence App Descriptor 1.0 Binding Bundle ImplVersion: 1.0.0.0
WebLogic Application Descriptors 2.0 Thu Nov 1 20:06:59 MDT 2012 ImplVersion: 2.0.0.0
WebLogic Descriptors for J2EE 2.1 Sat Mar 2 18:42:26 EST 2013 ImplVersion: 2.1.0.0
WebLogic Specific Descriptors 3.0 Wed Nov 14 13:14:36 PST 2012 ImplVersion: 3.0.0.0
WebLogic Descriptor Client Capable 2.1 Thu Mar 14 22:19:34 EDT 2013 ImplVersion: 2.1.0.0
WebLogic Coherence Descriptor 3.0 Tue Mar 19 14:21:34 PDT 2013 ImplVersion: 3.0.0.0
WebLogic Coherence App Descriptor 1.0 Wed May 30 20:47:06 UTC 2012 ImplVersion: 1.0.0.0
WebLogic JSF Feature Module 12.1 Fri Mar 8 06:29:02 PST 2013 ImplVersion: 12.1.2.0
WebLogic i18n Runtime Support Client Capable 2.1 Thu Mar 21 06:47:39 PDT 2013 ImplVersion: 2.1.0.0
WebLogic WebService Public API's 2.0 Fri Apr 5 01:56:22 EDT 2013 ImplVersion: 2.0.0.0
WebLogic i18n Build Support Client Capable 3.0 Thu Oct 11 19:22:23 MDT 2012 ImplVersion: 3.0.0.0
WebLogic I18N tools Client Capable 3.0 Wed May 30 20:33:53 UTC 2012 ImplVersion: 3.0.0.0
Oracle Config Wizard Launch Manifest Jar 8.0 Thu Dec 27 15:04:49 PST 2012 ImplVersion: 12.1.2.0
Oracle Help Share ImplVersion: HELP_12.1.2.0.0_GENERIC_130408.0915
Oracle Help for Java ImplVersion: HELP_12.1.2.0.0_GENERIC_130408.0915
WebLogic Config Wizard Schema 8.0 Thu May 23 14:45:58 PDT 2013 ImplVersion: 12.1.2.0
WebLogic Config Wizard 8.0 Thu May 23 14:46:02 PDT 2013 ImplVersion: 8.0.0.0
Oracle CIE OUI Inventory 1.3 Thu Feb 3 22:12:55 EST 2011 ImplVersion: 1.3.0.0
Oracle Security Developer Tools Security Engine ImplVersion: 3.1.0
Oracle Security Developer Tools Crypto ImplVersion: 3.1.0
WebLogic java compiler utils package Client Capable 2.1 Wed Feb 20 09:38:21 PST 2013 ImplVersion: 2.1.0.0
WebLogic WebApp Container Public API Client Capable 3.0 Fri Mar 22 11:00:38 EDT 2013 ImplVersion: 3.0.0.0
SERVICE NAME VERSION INFORMATION
============ ===================
Kernel Commonj WorkManager v1.1
TimerService Commonj TimerManager v1.1
CorbaService CORBA 2.3, IIOP 1.2, RMI-IIOP SFV2, OTS 1.2, CSIv2 Level 0 + Stateful
XMLService XML 1.1
Transaction Service JTA 1.1
JDBCService JSR-221, JDBC 4.0
CustomResourceServerService 1.0.0.0
Servlet Container Servlet 3.0, JSP 2.2
Transaction Stop Service JTA 1.1
Pre Admin Singleton Services S 1.0
Singleton Services Batch Manag 1.0
Post Admin Singleton Services 1.0
EJB Container EJB 3.1
MDBService EJB 3.1
EJBTimerService EJB 3.1
J2EE Connector 1.6
JMS Service JMS 1.1
weblogic WEBLOGIC