http请求报错:Invalid character found in method name. HTTP method names must be tokens

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#springboot #http #Error parsing HTTP request header

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在SpringBoot 2.0.4.RELEASE中，遇到HTTP请求解析错误，具体为Invalid character found in method name。此问题通过在application.properties中设置tomcat的max-http-header-size参数为8192解决。

springboot 2.0.4.RELEASE,http请求报错Error parsing HTTP request header,Invalid character found in method name. HTTP method names must be tokens
具体如下：

2019-09-02 12:22:40.856  INFO 6 --- [io-18081-exec-5] o.apache.coyote.http11.Http11Processor   : Error parsing HTTP request header
core.1.a7fy4iq79kei@BizMsTestAlpha    |  Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level.
core.1.a7fy4iq79kei@BizMsTestAlpha    | 
core.1.a7fy4iq79kei@BizMsTestAlpha    | java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokens
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:428) ~[tomcat-embed-core-8.5.32.jar!/:8.5.32]
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:684) ~[tomcat-embed-core-8.5.32.jar!/:8.5.32]
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.32.jar!/:8.5.32]
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:800) [tomcat-embed-core-8.5.32.jar!/:8.5.32]
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1471) [tomcat-embed-core-8.5.32.jar!/:8.5.32]
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.32.jar!/:8.5.32]
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_222]
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_222]
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.32.jar!/:8.5.32]
core.1.a7fy4iq79kei@BizMsTestAlpha    | 	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_222]

解决：springboot application.properties文件中设置tomcat头缓冲区大小