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Invalid character found in method name. HTTP method names must be tokens
o.apache.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:422) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:683) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455) 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:745)
阿里云上弄了一个tomcat，经常半夜发送崩溃，查看日志发现这个东西，查阅资料发现是Tomcat的header缓冲区大小不够,只需要在server.xml中增加maxHttpHeaderSize字段即可:
<Connector URIEncoding="UTF-8" port="8080" protocol="org.apache.coyote.http11.Http11NioProtocol" useBodyEncodingForURI="false" enableLookups="false" connectionTimeout="20000" redirectPort="8443" maxHttpHeaderSize="你想要的大小"/>
如：
<Connector port="8080" executor="tomcatThreadPool" protocol="HTTP/1.1" maxThreads="1000" maxHttpHeaderSize="8192" minSpareThreads="100" maxSpareThreads="200" acceptCount="1000" maxConnections="1000" connectionTimeout="30000" keepAliveTimeout="15000" maxKeepAliveRequests="1" tcpNoDelay="true" redirectPort="8443" enableLookups="false" URIEncoding="UTF-8"/>
http://www.cnblogs.com/yuananyun/p/6501324.html
Invalid character found in method name. HTTP method names must be tokens
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