User development, A new message was posted in the thread "howto setup jpa using oracle 10g unicode nvarchar2": http://community.jboss.org/message/530976#530976 Author : Michael Glöckner Profile : http://community.jboss.org/people/michael.gloeckner Message: -------------------------------------------------------------- Hi,   if i put <xa-datasource-property name="oracle.jdbc.defaultNChar">true</xa-datasource-property>   to my ds file I get the following exception.   Caused by: java.lang.NoSuchMethodException: oracle.jdbc.xa.client.OracleXADataSource.setOracle.jdbc.defaultNChar(java.lang.String) -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/530976#530976