Invalid character found in method name. HTTP method names must be tokens

// 遇到如下异常，请查看请求参数，如果参数没有异常，再看看请求协议是http还是https。java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokensat org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:414)at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:294)at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836)at org.apache..NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747)at org.apache..SocketProcessorBase.run(SocketProcessorBase.java:49)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)at java.lang.Thread.run(Thread.java:748)-09-10 16:01:17.019 [http-nio-7771-exec-2] INFO org.apache.coyote.http11.Http11Processor - Error parsing HTTP request headerNote: further occurrences of HTTP request parsing errors will be logged at DEBUG level.java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokensat org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:414)at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:294)at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836)at org.apache..NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1747)at org.apache..SocketProcessorBase.run(SocketProcessorBase.java:49)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)at java.lang.Thread.run(Thread.java:748)