pxf/pxf-service/src/main/webapp/WEB-INF/web.xml

<?xml version="1.0"?>

<!--
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regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
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  http://www.apache.org/licenses/LICENSE-2.0

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specific language governing permissions and limitations
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<web-app version="3.0"
	xmlns="http://java.sun.com/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">

<!--
	This is the PXF webapp xml descriptor
	used by tomcat to load the webapp

	servlet-class	Jersey entrypoint class
	init-param		com.sun.jersey.config.property.packages
						Tells Jersey where are the REST components of this webapp
					jersey.config.server.provider.scanning.recursive
						Tells Jersey to recusively scan package for REST resources
	load-on-startup	Initialize the webapp on tomcat startup
	servlet-mapping	Maps the path of the servlet (pxf/*)
	listener		A class called after the webapp was initialized and before it's about
					to go down
-->

    <servlet>
        <servlet-name>PXF REST Service</servlet-name>
        <servlet-class>
            com.sun.jersey.spi.container.servlet.ServletContainer
        </servlet-class>
        <init-param>
            <param-name>com.sun.jersey.config.property.packages</param-name>
            <param-value>org.apache.hawq.pxf.service.rest</param-value>
        </init-param>
        <init-param>
            <param-name>jersey.config.server.provider.scanning.recursive</param-name>
            <param-value>true</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>PXF REST Service</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping>
    <listener>
       <listener-class>org.apache.hawq.pxf.service.servlet.ServletLifecycleListener</listener-class>
    </listener>
    <filter>
        <filter-name>PXF Security Filter</filter-name>
        <filter-class>org.apache.hawq.pxf.service.servlet.SecurityServletFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>PXF Security Filter</filter-name>
        <url-pattern>/@pxfProtocolVersion@/*</url-pattern>
    </filter-mapping>

    <!-- log4j configuration 
         Log4jConfigListener looks for a file under log4jConfigLocation.
         When not using aboslute path, the path starts from the webapp root directory.
         If this file cannot be read, log4j will revert to using the default 
         pxf-log4j.properties inside the webapp. -->
    <context-param>
        <param-name>log4jConfigLocation</param-name>
        <param-value>/etc/pxf/conf/pxf-log4j.properties</param-value>
    </context-param>
</web-app>