1。需要在 加value=“ ”

<FCK:editor instanceName="replycontent" basePath="/fckeditor" value=“ ”
toolbarSet="Basic" height="100" width="100%"></FCK:editor>

HTTP Status 500 - java.lang.NullPointerException
type Exception report

message java.lang.NullPointerException

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: java.lang.NullPointerException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:585)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
root cause

java.lang.NullPointerException
net.fckeditor.FCKeditor.createHtml(FCKeditor.java:238)
net.fckeditor.FCKeditor.toString(FCKeditor.java:223)
java.lang.String.valueOf(String.java:2847)
org.apache.jasper.runtime.JspWriterImpl.print(JspWriterImpl.java:487)
org.apache.jasper.runtime.JspWriterImpl.println(JspWriterImpl.java:602)
net.fckeditor.tags.EditorTag.doEndTag(EditorTag.java:138)
org.apache.jsp.showMsg_jsp._jspx_meth_FCK_005feditor_005f0(showMsg_jsp.java:375)
org.apache.jsp.showMsg_jsp._jspService(showMsg_jsp.java:158)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.39 logs.

Apache Tomcat/7.0.39

<FCK:editor instanceName="replycontent" basePath="/fckeditor"
toolbarSet="Basic" height="100" width="100%"></FCK:editor>