https://bz.apache.org/bugzilla/show_bug.cgi?id=60436
--- Comment #2 from hongjiang <w.hongji...@gmail.com> --- No,I didn't use http2.0,my connector config: <Connector port="8080" protocol="org.apache.coyote.http11.Http11NioProtocol" connectionTimeout="20000" redirectPort="8443" maxParameterCount="2000" maxKeepAliveRequests="-1" maxThreads="200" maxPostSize="20971520" acceptCount="1024" useBodyEncodingForURI="true" URIEncoding="UTF-8"/> It's happened in pressure test (high concurrency), one nginx reverse proxy to 4 tomcat server, All 4 tomcat server occurred that NPE。 -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org