Problem bei Installation einer Tomcat Anwendung

java.sql.SQLException: Failed to create database '/var/lib/tomcat5.5/webapps/osseo-de/WEB-INF/derbydb', see the next exception for details.  
Caused by: java.sql.SQLException: Failed to create database '/var/lib/tomcat5.5/webapps/osseo-de/WEB-INF/derbydb', see the next exception for details.  
...
Caused by: java.sql.SQLException: Directory /var/lib/tomcat5.5/webapps/osseo-de/WEB-INF/derbydb cannot be created.
...
Caused by: java.security.AccessControlException: access denied (java.io.FilePermission /var/lib/tomcat5.5/webapps/osseo-de/WEB-INF/derbydb write)

grant codeBase "file:/var/lib/tomcat5.5/webapps/osseo-de/*" {  
        permission java.security.AllPermission;
};