After installation of knowage I cannot access knowage page in the web browser I am getting "The server encountered an internal error that prevented it from fulfilling this request."
error messages from log server log
[http-bio-8080-exec-3] 16 Sep 2018 00:17:31,805 ERROR it.eng.spagobi.commons.utilities.ChannelUtilities.getSpagoBIContextName:133 - SPAGOBI.SPAGOBI-MODE.mode IS NULL
[http-bio-8080-exec-4] 16 Sep 2018 00:17:31,821 ERROR it.eng.spagobi.commons.utilities.ChannelUtilities.isWebRunning:161 - SPAGOBI.SPAGOBI-MODE.mode IS NULL
[http-bio-8080-exec-4] 16 Sep 2018 00:17:31,825 ERROR it.eng.spagobi.commons.utilities.SpagoBIUtilities.readJndiResource:319 - java.lang.NullPointerException
[http-bio-8080-exec-4] 16 Sep 2018 00:17:31,825 ERROR it.eng.spagobi.services.common.SsoServiceFactory.createProxyService:55 - Error occurred
java.lang.NullPointerException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at it.eng.spagobi.services.common.SsoServiceFactory.createProxyService(SsoServiceFactory.java:52)
at it.eng.spagobi.commons.filters.ProfileFilter.getUserIdWithSSO(ProfileFilter.java:270)
......
[http-bio-8080-exec-4] 16 Sep 2018 00:17:31,826 ERROR it.eng.spagobi.commons.filters.ProfileFilter.getUserIdWithSSO:274 - Authentication failed
java.lang.NullPointerException
at it.eng.spagobi.commons.filters.ProfileFilter.getUserIdWithSSO(ProfileFilter.java:271)
............
[http-bio-8080-exec-4] 16 Sep 2018 00:17:31,827 ERROR it.eng.spagobi.commons.filters.ProfileFilter.doFilter:155 - Error while service execution
it.eng.spagobi.commons.filters.ProfileFilter$SilentAuthenticationFailedException
at it.eng.spagobi.commons.filters.ProfileFilter.getUserIdWithSSO(ProfileFilter.java:275)
at it.eng.spagobi.commons.filters.ProfileFilter.doFilter(ProfileFilter.java:125)
......