大牛们看一下，服务器为什么会报异常啊

Question

[#|2015-09-14T19:42:38.868+0800|SEVERE|inforsuite9.1.2|javax.enterprise.system.std.com.sun.enterprise.server.logging.LogManagerService|_ThreadID=20;_ThreadName=Thread-2;|RO调用中，执行方法异常budget.control...IBudgetControlContext.getYsPeriodByRwid。
at com.ygsoft.ecp.web.servlet.internal.MethodExecutor.execute(MethodExecutor.java:53)
at com.ygsoft.ecp.web.servlet.internal.RequestContext.call(RequestContext.java:209)
at com.ygsoft.ecp.web.servlet.internal.RequestContext.invoke(RequestContext.java:222)
at com.ygsoft.ecp.web.servlet.service.RemoteServiceServlet.accessLocalDatacenter(RemoteServiceServlet.java:204)
at com.ygsoft.ecp.web.servlet.service.RemoteServiceServlet.doPost(RemoteServiceServlet.java:138)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:688)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:770)
at com.ygsoft.gap.spring.HttpServiceTracker$3.service(HttpServiceTracker.java:253)
at org.eclipse.equinox.http.helper.FilterServletAdaptor$FilterChainImpl.doFilter(FilterServletAdaptor.java:56)
at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at com.ygsoft.gap.spring.HttpServiceTracker$2.doFilter(HttpServiceTracker.java:223)
at org.eclipse.equinox.http.helper.FilterServletAdaptor.service(FilterServletAdaptor.java:37)
at org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:91)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:219)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:87)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:770)
at org.eclipse.equinox.servletbridge.BridgeServlet.service(BridgeServlet.java:205)
at org.eclipse.equinox.servletbridge.YGBridgeServlet.service(YGBridgeServlet.java:79)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:770)
at org.apache.catali

Answer 1

求助啊，小白好茫然。。。。。