Month: July 2015

JMS with Weblogic Server and EJB MDB

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Here is a complete and short example of asynchronous development using JMS and a Message-Driven Bean (MDB). First the procedure to configure inside Weblogic Server a JMS server in order to create a queue, then the code for the producer/sender of a message to the queue and then the code for a consumer (MDB). 1) … Read more

Prevent Weblogic Server from wrapping data types

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By default, Weblogic Server wraps data types such as Struct, Blob, Array, Clob, etc. For instance, oracle.sql.STRUCT becomes weblogic.jdbc.wrapper.Struct_oracle_sql_STRUCT. That can become a problem if for instance you’re expecting a data type : This would raise the following error : To avoid it, one can simply disable that wrapping in the Weblogic administration console : … Read more