setting autoCommit in JBoss 6.x/sybase database
<local-tx-datasource>
    <jndi-name>datasource</jndi-name>
    <connection-url>jdbc:sybase:Tds:XXXXXXXX</connection-url>
    <driver-class>com.sybase.jdbc3.jdbc.SybDriver</driver-class>
    <user-name>XXXXXX</user-name>
    <password>XXXX</password>
    <connection-property name="autoCommit">false</connection-property>
</local-tx-datasource>

<connection-property name="autoCommit123">false</connection-property>