Hi all, I installed tomcat 3.2.1 yesterday and i am unable to run the jsp examples given.Even in the servlet examples,given i am unable to run some of the examples.I am getting an error in the run method of thread.It says null pointer exception and SHA-1 not available.Any idea on where i am going wrong? Using CLASSPATH: c:\tomcat\classes;c:\tomcat\lib\ant.jar;c:\tomcat\lib\jaxp.jar;c:\tomcat\lib \servlet.jar;c:\tomcat\lib\parser.jar;c:\tomcat\lib\webserver.jar;c:\tomcat\ lib\jasper.jar;.;..;c:\jdk1.3\lib\tools.jar;C:\ASN1PJAV\WIN32\1.1\lib\OSS.JA R on Windows 2000 pro Stack trace1: java.lang.NullPointerException at jsp.error._0002fjsp_0002ferror_0002ferr_0002ejsperr_jsp_0._jspService(_0002f jsp_0002ferror_0002ferr_0002ejsperr_jsp_0.java:132) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.ja va:177) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404) at org.apache.tomcat.core.Handler.service(Handler.java:286) at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372) at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79 7) at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743) at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC onnectionHandler.java:210) at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416) at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498) at java.lang.Thread.run(Thread.java:484) Stack trace 2: Location: /examples/servlet/SessionExample Internal Servlet Error: java.lang.InternalError: internal error: SHA-1 not available. at sun.security.provider.SecureRandom.init(SecureRandom.java:89) at sun.security.provider.SecureRandom.(SecureRandom.java:68) at java.security.SecureRandom.(SecureRandom.java:128) at org.apache.tomcat.util.SessionIdGenerator.getIdentifier(SessionIdGenerator.j ava:135) at org.apache.tomcat.util.SessionIdGenerator.generateId(SessionIdGenerator.java :177) at org.apache.tomcat.util.SessionUtil.generateSessionId(SessionUtil.java:180) at org.apache.tomcat.session.StandardManager.getNewSession(StandardManager.java :379) at org.apache.tomcat.session.StandardSessionInterceptor.newSessionRequest(Stand ardSessionInterceptor.java:177) at org.apache.tomcat.core.ContextManager.doNewSessionRequest(ContextManager.jav a:913) at org.apache.tomcat.core.RequestImpl.getSession(RequestImpl.java:478) at org.apache.tomcat.facade.HttpServletRequestFacade.getSession(HttpServletRequ estFacade.java:381) at SessionExample.doGet(SessionExample.java:55) at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404) at org.apache.tomcat.core.Handler.service(Handler.java:286) at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372) at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79 7) at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743) at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC onnectionHandler.java:210) at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416) at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498) at java.lang.Thread.run(Thread.java:484) Thanks Prabhu