HermesJMS configuration with Weblogic 10.3.4

Hi,

When we are trying to discover the weblogic JMS, we are getting the following error. Request help for the same.
javax.jms.JMSException: Could not create InitialContext: String index out of range: -1
at hermes.JNDIContextFactory.createContext(JNDIContextFactory.java:282)
at hermes.ext.weblogic.WebLogicJMSAdminFactory.createSession(WebLogicJMSAdminFactory.java:63)
at hermes.impl.HermesAdminAdapter.getAdmin(HermesAdminAdapter.java:64)
at hermes.impl.HermesAdminAdapter.discoverDestinationConfigs(HermesAdminAdapter.java:84)
at hermes.impl.DefaultHermesImpl.discoverDestinationConfigs(DefaultHermesImpl.java:1358)
at hermes.browser.tasks.DiscoverDestinationsTask.invoke(DiscoverDestinationsTask.java:76)
at hermes.browser.tasks.TaskSupport.run(TaskSupport.java:175)
at hermes.browser.tasks.ThreadPool.run(ThreadPool.java:170)
at java.lang.Thread.run(Thread.java:662)

Thanking you in advance.

Thanks and Regards,
Sanjay Murthy