java.lang.IllegalArgumentException: Invalid character found in method name

1. Error description

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信息: 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.AbstractNioInputBuffer.parseRequestLine(AbstractNioInputBuffer.java:233)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1045)
at org.apache.coyote.AbstractProtocol $AbstractConnectionHandler.process(AbstractProtocol.java:684)  </li><li class="alt">    at org.apache.tomcat.util.net.NioEndpoint$ SocketProcessor.doRun(NioEndpoint.java:1533)
at org.apache.tomcat.util.net.NioEndpoint $SocketProcessor.run(NioEndpoint.java:1489)  </li><li class="alt">    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)  </li><li class="">    at java.util.concurrent.ThreadPoolExecutor$ Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)

信息: 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.AbstractNioInputBuffer.parseRequestLine(AbstractNioInputBuffer.java:233) 

    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1045) 

    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684) 

    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533) 

    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489) 

    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:745)

2. The reason for the error

It can be seen from the error message that it is because there are illegal characters in the method name

3. Solutions

(1) Check the method name and remove illegal characters

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