jsf - Primefaces 500 Error on starting server -


i'm not sure i've done, after recent build on server i'm getting error: 

http error 500  problem accessing /. reason:      server error caused by:  java.lang.nullpointerexception     @ org.primefaces.context.primefacescontext.release(primefacescontext.java:26)     @ org.primefaces.context.primefacescontext.release(primefacescontext.java:28)     @ javax.faces.webapp.facesservlet.service(facesservlet.java:612)     @ org.eclipse.jetty.servlet.servletholder.handle(servletholder.java:558)     @ org.eclipse.jetty.servlet.servlethandler.dohandle(servlethandler.java:488)     @ org.eclipse.jetty.server.handler.scopedhandler.handle(scopedhandler.java:119)     @ org.eclipse.jetty.security.securityhandler.handle(securityhandler.java:520)     @ org.eclipse.jetty.server.session.sessionhandler.dohandle(sessionhandler.java:233)     @ org.eclipse.jetty.server.handler.contexthandler.dohandle(contexthandler.java:973)     @ org.eclipse.jetty.servlet.servlethandler.doscope(servlethandler.java:417)     @ org.eclipse.jetty.server.session.sessionhandler.doscope(sessionhandler.java:192)     @ org.eclipse.jetty.server.handler.contexthandler.doscope(contexthandler.java:907)

anyone seen before or idea might have caused it?


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