MyCompRequestDumpingHandler

Code for dumping wildfly-10.1.0.Final requests to server.log if request response duration takes more than x seconds.

##standalone.xml configuration:

    <subsystem xmlns="urn:jboss:domain:undertow:3.1">
        <buffer-cache name="default"/>
        <server name="default-server">
            <http-listener name="default" socket-binding="http" redirect-socket="https" enable-http2="true"/>
            <https-listener name="https" socket-binding="https" security-realm="ApplicationRealm" enable-http2="true"/>
            <host name="default-host" alias="localhost">
                <location name="/" handler="welcome-content"/>
                <filter-ref name="server-header"/>
                <filter-ref name="x-powered-by-header"/>
                *<filter-ref name="request-dumper"/>*
            </host>
        </server>
        <servlet-container name="default">
            <jsp-config/>
            <websockets/>
        </servlet-container>
        <handlers>
            <file name="welcome-content" path="${jboss.home.dir}/welcome-content"/>
        </handlers>
        <filters>
            <response-header name="server-header" header-name="Server" header-value="WildFly/10"/>
            <response-header name="x-powered-by-header" header-name="X-Powered-By" header-value="Undertow/1"/>
            <filter name="request-dumper" class-name="si.mycomp.requestDumpingHandler.DfsRequestDumpingHandler" module="si.mycomp.requestDumpingHandler">
                <param name="timeLimit" value="0.1"/>
                <param name="maxBuffers" value="200"/>   
            </filter>*
        </filters>
    </subsystem>

##module configuration There should be module.xml inside /wildfly-10.1.0.Final/modules/system/layers/base/si/mycomp/requestDumpingHandler/main/ with following content:

    <?xml version="1.0" encoding="UTF-8"?>
    <module xmlns="urn:jboss:module:1.3" name="si.mycomp.requestDumpingHandler">
        <resources>
            <resource-root path="DfsRequestDumpingHandler.jar"/>
        </resources>
        <dependencies>
            <module name="io.undertow.core"/>
            <module name="io.undertow.js"/>
            <module name="io.undertow.jsp"/>
            <module name="io.undertow.servlet"/>
            <module name="io.undertow.websocket"/>
            <module name="javaee.api"/>
            <module name="org.jboss.logging"/>
            <module name="org.jboss.xnio"/>
        </dependencies>
    </module>

Make sure you put DfsRequestDumpingHandler.jar that is produced by mvn package /wildfly-10.1.0.Final/modules/system/layers/base/si/mycomp/requestDumpingHandler/main/DfsRequestDumpingHandler.jar that is built with this maven project.