[Can not connect to DB informix]

This problem was resolve: 
add : <property name="defaultReadOnly" value="false"/>
        <property name="defaultAutoCommit" value="true"/>
in bean: jdbcDataSourceServiceFactory
in file: WEB-INFapplicationContext.xml

[Can not connect to DB informix]

Dear friend,
I use URL : jdbc:informix-sqli://localhost:50000/dbName:INFORMIXSERVER=NameServer
driver:ifxjdbc.jar, ifxlang.jar, ifxlsupp.jar, ifxtools.jar, jdbc-4.10.12.jar.
But cant connect to db: have err: There was an error on the server. Try again or contact site administrators. (Error UID: b5eb6eee-f5ff-4112-a3ca-990baa188ab2)

please help me!

Thank alot.

MH