tomcat处理特殊字符串出错

tomcat 报错信息如下

27-Nov-2019 13:16:58.014 信息 [http-nio-8080-exec-5] org.apache.coyote.http11.Http11Processor.service 解析 HTTP 请求 header 错误
 Note: further occurrences of HTTP request parsing errors will be logged at DEBUG level.
	java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986
		at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:483)
		at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:682)
		at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
		at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:810)
		at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)
		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)

修改tomcatc目录下conf/catalina.properties

找到最后一行注释打开并加上你需要的字符
tomcat.util.http.parser.HttpParser.requestTargetAllow=|{}[]