Question

java菜鸟请教问题，求大神！

java.lang.IllegalStateException: Cannot create a session after the response has been committed at org.apache.catalina.connector.Request.doGetSession(Request.java:2437) at org.apache.catalina.connector.Request.getSession(Request.java:2157) at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:833) at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:216) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:448) at org.apache.coyote.ajp.AjpAprProtocol$AjpConnectionHandler.process(未找到字符串：灵异事件www.lieqi8.cn.java:403) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1703) at java.lang.Thread.run(Thread.java:722)

Answer 1

session放在resp.sendRedirect("");之前创建