At last, after approximatively&nbsp; one month i can run tomcat 5.0.30, sun java 1.5.06 and xwiki<br>&nbsp;without a big tomcat crash.<br>But i still got error from java socket the error message is:<br><br><pre>** BEGIN NESTED EXCEPTION ** 
<br><br>java.security.AccessControlException<br>MESSAGE: access denied (java.net.SocketPermission localhost resolve)<br><br><br>Please help me before i get mad.<br></pre><br>