我正在运行 SpringBoot 应用程序，刚刚检查了服务器日志，发现了几个这样的错误。我不明白是什么原因导致的，因为该错误每天都会在 12/24 小时后出现。

在 8.5.11 上运行的 Tomcat 版本

2018-03-04 17:03:26 [http-nio-8080-exec-85] INFO  o.a.coyote.http11.Http11Processor - Error parsing HTTP request header 
 Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. 
java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokens 
    at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:421) 
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:667) 
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) 
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798) 
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1434) 
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) 
    at java.lang.Thread.run(Thread.java:748) 

请您参考如下方法:

这可能是因为解析 HTTPS header 而不是 HTTP 造成的。尝试:

1. 添加:
   logging.level.org.springframework.web: 跟踪
logging.level.org.apache:跟踪
   到你的 application.properties 看看 Spring 对你说了什么。
2. 检查当时是否有任何计划的 Activity 引用其他由 SSL 加密的资源。另请参阅:java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokens