After running JBOSS for 2-3 hours under heavy utilization it blows up and gives the following exception:

After running the test scripts that send http requests and result in creating records in database for around 2-3 hours , jboss blows up with following exception.
Please help me out as to what is the reason for this.

java.lang.ArrayIndexOutOfBoundsException: 0
at org.jboss.jmx.adaptor.control.Server.invokeOpByName(Server.java:215)
at org.jboss.jmx.adaptor.control.Server.invokeOp(Server.java:202)
at org.jboss.jmx.adaptor.html.HtmlAdaptorServlet.invokeOp (HtmlAdaptorServlet.java:241)
at org.jboss.jmx.adaptor.html.HtmlAdaptorServlet.processRequest(HtmlAdaptorServlet.java:79)
at org.jboss.jmx.adaptor.html.HtmlAdaptorServlet.doPost(HtmlAdaptorServlet.java :61)
at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java(Compiled Code))
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter (ReplyHeaderFilter.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java(Compiled Code))
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java(Compiled Code))
at org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java(Compiled Code))
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java(Compiled Code))
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java (Compiled Code))
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java(Compiled Code))
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java (Compiled Code))
at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java(Compiled Code))
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java (Compiled Code))
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java(Compiled Code))
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java (Compiled Code))
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java(Compiled Code))
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java(Compiled Code))
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java(Compiled Code))
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java(Compiled Code))
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java(Compiled Code))
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java(Compiled Code))
at org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java(Compiled Code))
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java(Compiled Code))
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java (Compiled Code))
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java(Compiled Code))

Please help me out.