I download the webchat from’s official website,when i install error
exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /setup-index.jsp at line 47
44: }
45: catch (XMPPException xe) {
46: // If anonymous login disabled.
47: if (xe.getXMPPError().getCode() == 403) {
48: errors.put("connect", "Anonymous login test failed. Ensure that anonymous logins are enabled on the server.");
49: }
50: else {
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.jivesoftware.webchat.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:45)
org.jivesoftware.webchat.SetupFilter.doFilter(SetupFilter.java:92)
root cause
java.lang.NullPointerException
org.apache.jsp.setup_002dindex_jsp._jspService(setup_002dindex_jsp.java:93)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.jivesoftware.webchat.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:45)
org.jivesoftware.webchat.SetupFilter.doFilter(SetupFilter.java:92)
help me please