invalid character found in the request target 异常

这个异常时由于Tomcat 9不支持请求格式出现“{”等非法字符的问题java

由于tomcat版本问题遇到的坑,记录一下。apache

问题

今天因为要测试一下订单详情页的异步查询,在本地起了一个服务,发送的请求是:api

http://sellerorder.mogujie.com:8080/api/order/detail4seller?data={%22shopOrderId%22:%2224296908588336%22,%22orderPlatFormCode%22:%22PC%22}tomcat

按理说应该没啥问题,可是报以下的错:服务器

22-Aug-2018 11:58:23.262 信息 [http-nio-8080-exec-4] org.apache.coyote.http11.Http11Processor.service Error parsing HTTP request header
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:467)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:294)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:764)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1388)
at org.apache.tomcat.util.net.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)app

解决办法

能够看到是说有非法字符,因而去度娘找解决办法,找到了解决办法的博客以下:异步

https://blog.csdn.net/testcs_dn/article/details/71716829测试

修改后重启服务器发现仍是没有解决,因而查资料,发现有多是tomcat版本的问题,因而把tomcat 9 换成了tomcat 8,spa

将tomcat 8的conf路径下的 catalina.properties 文件进行修改,在最后加入一句:tomcat.util.http.parser.HttpParser.requestTargetAllow=|{} .net

容许tomcat接收“{”这样的特殊字符,重启后问题解决。

总结

有不少状况下,在尝试不少办法后仍没法解决的话,试着换一下tomcat的版本,尽可能不要用高版本的tomcat,仍是用相对稳定一些的版本,否则就会有坑。

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