Problem with java in HP SIM

[Jesús Manuel]

I have the following problem with java in HP SIM:

VM Control
java.lang.ClassCastException: com.hp.mx.vmm.vmtools.grid.AgentInfo

and this

Internal Error occurred


Exception : java.lang.ClassCastException: com.hp.mx.vmm.vmtools.grid.AgentInfo

Stack Trace:
org.apache.jsp.mxportal.VMMUI.SysPageVm.config_jsp._jspService(config_jsp.java:113)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:387)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

I need the solution of this.