this message is print by ExceptionHandler,something maybe wrong! the exception message is com.icss.fsop.common.base.BaseException the following is the exception stack trace: com.icss.fsop.jdhg.personalApply.CaptchaServlet.getCaptcha(CaptchaServlet.java:92) sun.reflect.GeneratedMethodAccessor168.invoke(null:-1) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) com.icss.core.base.ServletBase.performTask(ServletBase.java:247) com.icss.core.base.ServletBase.doPost(ServletBase.java:76) com.icss.core.base.ServletBase.doGet(ServletBase.java:64) javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ......