急急急，jrun+struts2出错，求解决啊！！！

[zs827254756]

java.lang.NullPointerException
at jrun.naming.NamingService.run(NamingService.java:513)
at java.lang.Thread.run(Thread.java:534)
C:\JRun4\bin\jrun.exe -nohup -start
Starting Macromedia JRun 4 (Build 47304), default server
03/20 16:08:09 info JRun Naming Service listening on port 2908
03/20 16:08:09 info No JDBC data sources have been configured for this server (s
ee jrun-resources.xml)
03/20 16:08:09 info JRun Web Server listening on *:8100
03/20 16:08:09 info Deploying web application "file:/C:/JRun4/servers/default/AF
/" from: file:/C:/JRun4/servers/default/AF/
03/20 16:08:09 user JSPServlet: init
03/20 16:08:09 error Could not pre-load servlet: JSPServlet
[2]jrun.jsp.compiler.JRunTagLibraryInfo$InvalidTLDElementException: The tag dyna
mic-attributes on line 59 is not a valid TLD element
at jrun.jsp.compiler.JRunTagLibraryInfo$TLDParser.startElement(JRunTagLi
braryInfo.java:627)
at jrunx.util.SAXReflectionHandler.startElement(SAXReflectionHandler.jav
a:24)
at org.xml.sax.helpers.XMLReaderAdapter.startElement(XMLReaderAdapter.ja
va:333)