Inconstant servelet error

Hi all!When i called servelet on the server side,

sometime appears java runtime error in this line:

Session s = NotesFactory.createSession();

runtime error log:

26.11.2009 18:19:21 HTTP JVM: java.security.AccessControlException: Access denied (java.lang.RuntimePermission getClassLoader)

26.11.2009 18:19:21 HTTP JVM: at java.security.AccessController.checkPermission(AccessController.java:104)

26.11.2009 18:19:21 HTTP JVM: at java.lang.SecurityManager.checkPermission(SecurityManager.java:547)

26.11.2009 18:19:21 HTTP JVM: at java.lang.Thread.getContextClassLoader(Thread.java:490)

26.11.2009 18:19:21 HTTP JVM: at lotus.domino.JavaConnectLoader.currentJCLoader(Unknown Source)

26.11.2009 18:19:21 HTTP JVM: at lotus.domino.JavaConnectLoader.currentSecurityContext(Unknown Source)

26.11.2009 18:19:21 HTTP JVM: at lotus.domino.local.Session.checkJavaConnect(Unknown Source)

26.11.2009 18:19:21 HTTP JVM: at lotus.domino.local.Session.createSession(Unknown Source)

26.11.2009 18:19:21 HTTP JVM: at lotus.domino.NotesFactory.createSession(Unknown Source)

26.11.2009 18:19:21 HTTP JVM: at GetDocFile.doGet(GetDocFile.java:29)

26.11.2009 18:19:21 HTTP JVM: at javax.servlet.http.HttpServlet.service(HttpServlet.java:499)

26.11.2009 18:19:21 HTTP JVM: at javax.servlet.http.HttpServlet.service(HttpServlet.java:588)

26.11.2009 18:19:21 HTTP JVM: at lotus.domino.servlet.DominoServletInvoker.executeServlet(DominoServletInvoker.java:296)

26.11.2009 18:19:21 HTTP JVM: at lotus.domino.servlet.DominoServletInvoker.service(DominoServletInvoker.java:237)

26.11.2009 18:19:21 HTTP JVM: at lotus.domino.servlet.ServletManager.service(ServletManager.java:258)

everebody knows what’s the problem with this?

Subject: Inconstant servelet error

Try running the servlet using admin ID. How you are calling the servlet by the way?

Subject: Inconstant servelet error

We are running servelet under server.id,using URL link for run it