Please check logs to get the cause of this error On Jan 11, 2014 5:32 AM, "Sam Hagen" <[email protected]> wrote:
> Hi All, > > I'm trying to do a fresh install of Openmeetings 2.1.1 on a newly > configured Ubuntu 12.04 server. I go through all the steps, outlined > here<https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CC4QFjAA&url=https%3A%2F%2Fcwiki.apache.org%2Fconfluence%2Fdownload%2Fattachments%2F27838216%2FQuick%2BInstallation%2BOpenMeetings%2B2.x%2Bon%2BUbuntu%2B12.10%2B-%2B12.04.pdf%3Fversion%3D1%26modificationDate%3D1361176041000&ei=4nLQUqX9Ecf-oQTEpoGYBA&usg=AFQjCNHiyGTdNBth172s2TG6aOvagVuk-g&sig2=BX_a-EvlAr-lYqDoiO8WxA&bvm=bv.59026428,d.cGU>(the > guide has lead me to many successful installations before) but I am > confronted with a null pointer exception error message the moment I enter > http://my.ip.number:5080/openmeetings/install, which reads as follows: > > *HTTP Status 500 -* > > *type Exception report* > > *message* > > *description The server encountered an internal error that prevented it > from fulfilling this request.* > > *exception* > > *java.lang.NullPointerException* > * > org.apache.velocity.tools.view.VelocityView.performMerge(VelocityView.java:942)* > * > org.apache.velocity.tools.view.VelocityView.merge(VelocityView.java:902)* > * > org.apache.velocity.tools.view.VelocityViewServlet.mergeTemplate(VelocityViewServlet.java:318)* > * > org.apache.velocity.tools.view.VelocityViewServlet.doRequest(VelocityViewServlet.java:220)* > * > org.apache.velocity.tools.view.VelocityViewServlet.doGet(VelocityViewServlet.java:182)* > * javax.servlet.http.HttpServlet.service(HttpServlet.java:621)* > * javax.servlet.http.HttpServlet.service(HttpServlet.java:728)* > * > org.red5.logging.LoggerContextFilter.doFilter(LoggerContextFilter.java:77)* > > *note The full stack trace of the root cause is available in the Apache > Tomcat/7.0.34 logs.* > *Apache Tomcat/7.0.34* > > From what I've read, it seems that this error is about as helpful as > saying "uhh my computer keeps crashing and I don't know why," but if anyone > might be able to through me some guesses as to what it might mean, no > matter how general, I would greatly appreciate it. I gather that it means > that it's trying to pass a null variable where there should be a value but > that's about all I understand of it. > > Thanks so much! > > Sam >
