SpringMVC配拦截器报错[dispatcherServlet]:Servlet.service() for servlet [dispatcherServlet] threw exception

傷城~ 2023-07-16 08:58 128阅读 0赞

这个可以说是一个很麻烦的bug了 看日志文件也看不出代码具体哪里出现异常

  1. 2020-03-18 11:41:23.585 ERROR 3644 --- [nio-8080-exec-3] o.a.c.c.C.[.[.[.[dispatcherServlet]      : Servlet.service() for servlet [dispatcherServlet] threw exception
  3. java.lang.StackOverflowError: null
  4.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  5.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  6.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  7.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  8.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  9.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  10.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  11.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  12.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  13.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  14.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  15.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  16.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  17.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  18.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  19.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  20.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  21.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  22.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  23.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  24.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  25.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  26.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  27.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  28.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  29.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  30.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  31.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  32.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  33.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  34.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  35.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  36.     at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:244) ~[tomcat-embed-core-9.0.31.jar:9.0.31]
  37.     at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:582) ~[tomcat-embed-core-9.0.31.jar:9.0.31]

配置了登录的拦截器 然后项目就没成功跑起来过 把拦截器去掉就可以正常访问
上百度搜了半天也没查出个所以然来 很无奈
最后打了断点 发现代码一直在拦截器类的执行前方法里不停的做死循环递归

如下图：
在这里插入图片描述

后来觉得可能是拦截的路径出问题了 导致请求转发的路径也被拦截了
可明明已经放行该路径了呀

仔细看了半天 发现放行路径少写了个斜杠 /
在这里插入图片描述

就是在红线地方的斜杠 必须要加!!!

在这里插入图片描述
在这里插入图片描述

完美解决

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