Hi All, We have recently upgraded tomcat from 8.0.30 to 8.5.11. The tomcat 8.5.11 rejects the requested URI with below error. Requested URI: /poc-root/resource-lists/users/tel:+918197119913/index/~~/resource-lists/list[@name="oma_pocbuddylist"]/entry[@uri="tel:+919742700996"]
Mar 13, 2017 5:05:20 PM org.apache.coyote.http11.Http11Processor service INFO: 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 the request target. The valid characters are defined in RFC 7230 and RFC 3986 at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:471) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:667) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1434) 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) The server accepts the request if the DQUOTE(") is replaced with text %22 as mentioned below /poc-root/resource-lists/users/tel:+918197119913/index/~~/resource-lists/list[@name=%22oma_pocbuddylist%22]/entry[@uri=%22tel:+ 919742700996%22] Please help me to fix this at the server side, since the client or URI requester is already in production/field. Regards, Chandra