An Error has occured:
| Status Code | 500 |
| Exception Type | null |
| Message | null |
| Exception | java.lang.NullPointerException at org.apache.jsp.demo.demo1_jsp.getJoinURL(demo1_jsp.java:172) at org.apache.jsp.demo.demo1_jsp._jspService(demo1_jsp.java:594) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.codehaus.groovy.grails.web.mapping.filter.UrlMappingsFilter.processFilterChain(UrlMappingsFilter.java:263) at org.codehaus.groovy.grails.web.mapping.filter.UrlMappingsFilter.doFilterInternal(UrlMappingsFilter.java:205) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter.obtainContent(GrailsPageFilter.java:221) at org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter.doFilter(GrailsPageFilter.java:126) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jsecurity.web.servlet.JSecurityFilter.doFilterInternal(JSecurityFilter.java:384) at org.jsecurity.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:183) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequestFilter.doFilterInternal(GrailsWebRequestFilter.java:65) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:636) |
| Root Cause | |
Header List
| Name | Value |
| x-forwarded-for | 192.168.0.102 |
| host | 127.0.0.1:8080 |
| connection | close |
| user-agent | Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 (.NET CLR 3.5.30729) |
| accept | text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 |
| accept-language | fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3 |
| accept-encoding | gzip,deflate |
| accept-charset | ISO-8859-1,utf-8;q=0.7,*;q=0.7 |
| referer | http://192.168.0.106:81/ |
| cookie | JSESSIONID=2456C6A33129E49FEAE9A52D28380091 |
| javax.servlet.forward.request_uri | /bigbluebutton/demo/demo1.jsp |
| javax.servlet.forward.context_path | /bigbluebutton |
| javax.servlet.forward.servlet_path | /demo/demo1.jsp |
| javax.servlet.forward.query_string | username=bbb&action=create |
| javax.servlet.error.servlet_name | jsp |
| urlMapping.FILTERED | true |
| charEncodingFilter.FILTERED | true |
| org.codehaus.groovy.grails.CONTROLLER_NAME_ATTRIBUTE | demo |
| javax.servlet.error.request_uri | /bigbluebutton/demo/demo1.jsp |
| securityContextFilter.FILTERED | true |
| grailsWebRequest.FILTERED | true |
| javax.servlet.jsp.jspException | java.lang.NullPointerException |
| javax.servlet.error.status_code | 500 |
| org.codehaus.groovy.grails.ACTION_NAME_ATTRIBUTE | demo1.jsp |
| com.opensymphony.sitemesh.APPLIED_ONCE | true |
| javax.servlet.error.exception | java.lang.NullPointerException |
| org.codehaus.groovy.grails.WEB_REQUEST | ServletWebRequest: uri=/bigbluebutton/demo/demo1.jsp;client=127.0.0.1;session=2456C6A33129E49FEAE9A52D28380091 |
there would be someone to help me, thank you