Java NullPointException Error

Sorry for having no knowledge of this product but a ticket was assigned to my group for issues opening a course developed using this product because it is housed on one of our web servers. Below is the java console output when I try to open the course. A loading page appears and eventually goes to error page. The applet says it is starting then errors. I would appreciate it if anyone can help pinpoint me in the right direction of where to start. I've tried updating the jvm, but no luck there. Java Plug-in 1.6.0_07Using JRE version 1.6.0_07 Java HotSpot(TM) Client VMUser home directory = C:Documents and Settingsrvondrak

c: clear console windowf: finalize objects on finalization queueg: garbage collecth: display this help messagel: dump classloader listm: print memory usageo: trigger loggingp: reload proxy configurationq: hide consoler: reload policy configurations: dump system and deployment propertiest: dump thread listv: dump thread stackx: clear classloader cache0-5: set trace level to

java.lang.NullPointerException at TrivantisSignedHttp.sendPostMessage(TrivantisSignedHttp.java :257) at TitleMgrSignedApplet.sendRequest(TitleMgrSignedApplet.java:1 696) at TitleMgrSignedApplet.GetParam(TitleMgrSignedApplet.java:1919 ) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sun.plugin.javascript.JSInvoke.invoke(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sun.plugin.javascript.JSClassLoader.invoke(Unknown Source) at sun.plugin.com.MethodDispatcher.invoke(Unknown Source) at sun.plugin.com.DispatchImpl.invokeImpl(Unknown Source) at sun.plugin.com.DispatchImpl$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.com.DispatchImpl.invoke(Unknown Source)java.lang.Exception: java.lang.NullPointerException at sun.plugin.com.DispatchImpl.invokeImpl(Unknown Source) at sun.plugin.com.DispatchImpl$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.com.DispatchImpl.invoke(Unknown Source)