request filter bug fix

src/main/java/cn/quantgroup/xyqb/filter/RequestFilter.java

@@ -45,7 +45,7 @@ public class RequestFilter implements Filter {
         HttpServletRequest request = (HttpServletRequest) servletRequest;
         HttpServletResponse response = (HttpServletResponse) servletResponse;
         String requestPath = getRequestPath(request);
-        SessionStruct sessionStruct = null;
+        SessionStruct sessionStruct;
         if(!isMatch(requestPath)){
             //获取session信息,如果没有获取到session信息则返回错误信息
             sessionStruct = XyqbSessionContextHolder.getXSession();
@@ -57,15 +57,17 @@ public class RequestFilter implements Filter {
                 writer.close();
                 return;
             }
-            filterChain.doFilter(request, response);
-            sessionStruct = XyqbSessionContextHolder.getXSession();
-            if (sessionStruct == null) {
-                return;
-            }
             try {
-                sessionService.persistSession(sessionStruct.getSid(), sessionStruct.getValues());
+                filterChain.doFilter(request, response);
             } finally {
-                XyqbSessionContextHolder.releaseSession();
+                sessionStruct = XyqbSessionContextHolder.getXSession();
+                if (sessionStruct != null) {
+                    try {
+                        sessionService.persistSession(sessionStruct.getSid(), sessionStruct.getValues());
+                    } finally {
+                        XyqbSessionContextHolder.releaseSession();
+                    }
+                }
             }
         }else {
             filterChain.doFilter(request, response);