NullPointerException in Java servlet on AS400

Hi!

I'm getting a NullPointerException in my Java servlet on the AS400.
It is inconsistent and happens at different points in the code.
Any ideas?

Thanks.
Deepa


2004-03-26 08:54:04,748 [Thread-316] ERROR servlets.GenericServlet - 
java.lang.NullPointerException
java.lang.NullPointerException
      java/lang/Throwable.<init>()V+4 (Throwable.java:78) 
      java/lang/Exception.<init>()V+1 (Exception.java:29) 
      java/lang/RuntimeException.<init>()V+1 (RuntimeException.java:33) 
      java/lang/NullPointerException.<init>()V+1 
(NullPointerException.java:39) 
 
lotus/notes/AgentSecurityManager.checkRelatedThreadGroup(Ljava/lang/ThreadGroup;)V+4
 
(AgentSecurityManager.java:871) 
      lotus/notes/AgentSecurityManager.checkAccess(Ljava/lang/Thread;)V+17 
(AgentSecurityManager.java:112) 
      java/lang/Thread.checkAccess()V+8 (Thread.java:1053) 
      java/lang/Thread.interrupt()V+1 (Thread.java:665) 
      com/ibm/as400/access/AS400ThreadedServer.forceDisconnect()V+0 
(AS400ThreadedServer.java:273) 
 
com/ibm/as400/access/AS400ImplRemote.disconnectServer(Lcom/ibm/as400/access/AS400Server;)V+0
 
(AS400ImplRemote.java:408) 
      com/ibm/as400/access/AS400JDBCConnection.close()V+0 
(AS400JDBCConnection.java:380) 
 
com/infogenic/sitebuilder/servlets/GenericServlet.handleRequest(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;Lorg/apache/velocity/context/Context;)Lorg/apache/velocity/Template;+0
 
(GenericServlet.java:216) 
 
org/apache/velocity/servlet/VelocityServlet.doRequest(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+0
 
(VelocityServlet.java:360) 
 
org/apache/velocity/servlet/VelocityServlet.doGet(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+0
 
(VelocityServlet.java:333) 
 
javax/servlet/http/HttpServlet.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+58
 
(HttpServlet.java:499) 
 
javax/servlet/http/HttpServlet.service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+25
 
(HttpServlet.java:588) 
 
lotus/domino/servlet/DominoServletInvoker.executeServlet(ILjava/lang/String;Z)I+244
 
(DominoServletInvoker.java:283) 
 lotus/domino/servlet/DominoServletInvoker.service(ILjava/lang/String;)I+1 
(DominoServletInvoker.java:224) 
      lotus/domino/servlet/ServletManager.service(I)I+141 
(ServletManager.java:245)