[OpenSER-Users] help serMyAdmin centos 5

hi list, I have some problems installing serMyAdmin in centos 5 and openser 1.3.2, I have running tomcat5 and it loads very well, but when I add inside the file context.xml, it doesn't load , it show me a http STATUS 404.. that it can be happening? I show them my file context.xml <?xml version="1.0" encoding="UTF-8"?> <!-- The contents of this file will be loaded for each web application --> <Context> <!-- Default set of monitored resources --> <WatchedResource>WEB-INF/web.xml</WatchedResource> <!-- Uncomment this to disable session persistence across Tomcat restarts --> <!-- <Manager pathname="" /> --> </Context> <Context path="/serMyAdmin"> <Resource auth="Container" driverClassName="com.mysql.jdbc.Driver" maxActive="20" maxIdle=" 10" maxWait="-1" name="jdbc/openser_MySQL" type="javax.sql.DataSource" url="jdbc:mysql://loc alhost:3306/openser" username="sermyadmin" password="holacisco23/> </Context> Another point, the openser database and serMyAdmin don't export me, when I export the serMyAdmin openser.sql, he throws me the following error: ERROR 1054 (42S22) at line 6: Unknown column 'version' in 'field list' I waiting for their help, I congratulate to the serMyAdmin developer for this excellent application, he looks at very good to work with openser rickygm