错误：不能直接访问除 Index.jsp 之外的 JSP 页面。

com.meetrend.common.basic.exception.BusinessException: 不能直接访问除 Index.jsp 之外的 JSP 页面。       at com.meetrend.ecp.application.ValidationFilter.doFilter(ValidationFilter.java:90)       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)       at com.meetrend.ecp.application.EncodingFilter.doFilter(EncodingFilter.java:28)       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)       at com.meetrend.ecp.application.ThreadFilter.doFilter(ThreadFilter.java:29)       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)       at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)       at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)       at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)       at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)       at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)       at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)       at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)       at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)       at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)       at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)       at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533)       at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489)       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)       at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)       at java.lang.Thread.run(Thread.java:748)