RE: [Biojava-l] null pointer exception

2002-05-10 Thread Wayne Volkmuth
Message- From: Chun-Nuan Chen [mailto:[EMAIL PROTECTED]] Sent: Friday, May 10, 2002 9:53 AM To: [EMAIL PROTECTED] Cc: Wayne Volkmuth Subject: Re: [Biojava-l] null pointer exception I did a little bit more testing and found the following: 1. There are a few classloaders implemented byTomcat and

Re: [Biojava-l] null pointer exception

2002-05-10 Thread Chun-Nuan Chen
I did a little bit more testing and found the following: 1. There are a few classloaders implemented byTomcat and it will NOT allow access to "Common" classloader and any classloaders at deeper/higher levels. This "Common" classloader is used to load classes under TOMCAT_HOME/common/lib. I ha

Re: [Biojava-l] null pointer exception

2002-05-10 Thread Chun-Nuan Chen
Hi, The reason you got the NullPointerException is that the following method in class AlphabetManager returns null: AlphabetManager.class.getClassLoader() The reason for it to return null is due to the security measures taken by the tomcat servlet container. Allow users to access the classloa