Check all your Maven (or equivalent) dependencies and make sure that you – or most likely another dependency – are not pulling in a pre-3.1 version of the javax.servlet / servlet-api that may be taking precedence over what’s in your Tomcat 8. If you’ve manually deployed, make sure you haven’t manually copied any servlet-api JARs … Read more
I’m the HTTP/2 implementer in Jetty, and I watch out other projects implementing HTTP/2. Tomcat’s Mark Thomas has outlined support for HTTP/2 for Tomcat 9. Update Jan 2017: Tomcat 8.5 supports HTTP/2 see @joe-aldrich answer https://stackoverflow.com/a/37889873/2027465 Considering that Servlet 4.0 is going to have as a target HTTP/2 support, and that HTTP/2 support requires ALPN … Read more
add <absolute-ordering /> tag to your web.xml just under the <display-name> tag. should work.
This may be work. Find the CATALINA_HOME/webapps/manager/META-INF/context.xml file and add the comment markers around the Valve. <Context antiResourceLocking=”false” privileged=”true” > <!– <Valve className=”org.apache.catalina.valves.RemoteAddrValve” allow=”127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1″ /> –> </Context> You can find more details at this page.
This behavior is introduced in all major Tomcat releases: Tomcat 7.0.73, 8.0.39, 8.5.7 To fix, do one of the following: set relaxedQueryChars to allow this character (recommended, see Lincoln’s answer) set requestTargetAllow option (deprecated in Tomcat 8.5) (see Jérémie’s answer). you can downgrade to one of older versions (not recommended – security) Based on changelog, … Read more
Yes you can, In your pom.xml, add the tomcat plugin. (You can use this for both Tomcat 7 and 8): pom.xml <!– Tomcat plugin –> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <version>2.2</version> <configuration> <url>http:// localhost:8080/manager/text</url> <server>TomcatServer</server> *(From maven > settings.xml)* <username>*yourtomcatusername*</username> <password>*yourtomcatpassword*</password> </configuration> </plugin> tomcat-users.xml <tomcat-users> <role rolename=”manager-gui”/> <role rolename=”manager-script”/> <user username=”admin” password=”password” roles=”manager-gui,manager-script” /> </tomcat-users> settings.xml (maven … Read more
I had the same issue when upgrading from Tomcat 7 to 8: a continuous large flood of log warnings about cache. 1. Short Answer Add this within the Context xml element of your $CATALINA_BASE/conf/context.xml: <!– The default value is 10240 kbytes, even when not added to context.xml. So increase it high enough, until the problem … Read more
This exception can occur when you try to execute HTTPS request from client on endpoint which isn’t HTTPS enabled. Client will encrypt request data when server is expecting raw data.