{"id":75549,"date":"2020-01-20T10:52:22","date_gmt":"2020-01-20T05:22:22","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?p=75549"},"modified":"2024-04-12T14:33:36","modified_gmt":"2024-04-12T09:03:36","slug":"context-xml-configuration","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/context-xml-configuration\/","title":{"rendered":"context.xml configuration"},"content":{"rendered":"<p>If Tomcat is unable to identify the appropriate resource factory and\/or additional configuration information is required, additional Tomcat specific configuration must be specified before Tomcat can create the resource. Tomcat specific resource configuration is entered in the &lt;Context&gt; elements that can be specified in either$CATALINA_BASE\/conf\/server.xml or, preferably, the per-web-application context XML file (META-INF\/context.xml).<\/p>\n<p>Tomcat specific resource configuration is performed using the following elements in the &lt;Context&gt; element:<\/p>\n<ul>\n<li>&lt;Environment&gt; &#8211; Configure names and values for scalar environment entries that will be exposed to the web application through the JNDI InitialContext (equivalent to the inclusion of an &lt;env-entry&gt; element in the web application deployment descriptor).<\/li>\n<li>&lt;Resource&gt; &#8211; Configure the name and data type of a resource made available to the application (equivalent to the inclusion of a &lt;resource-ref&gt; element in the web application deployment descriptor).<\/li>\n<li>&lt;ResourceLink&gt; &#8211; Add a link to a resource defined in the global JNDI context. Use resource links to give a web application access to a resource defined in the &lt;GlobalNamingResources&gt; child element of the &lt;Server&gt;element.<\/li>\n<li>&lt;Transaction&gt; &#8211; Add a resource factory for instantiating the UserTransaction object instance that is available at java:comp\/UserTransaction.<\/li>\n<\/ul>\n<p>Any number of these elements may be nested inside a &lt;Context&gt; element and will be associated only with that particular web application.<\/p>\n<p>If a resource has been defined in a &lt;Context&gt; element it is not necessary for that resource to be defined in \/WEB-INF\/web.xml. However, it is recommended to keep the entry in \/WEB-INF\/web.xml to document the resource requirements for the web application.<\/p>\n<p>Where the same resource name has been defined for a &lt;env-entry&gt; element included in the web application deployment descriptor (\/WEB-INF\/web.xml) and in an &lt;Environment&gt; element as part of the &lt;Context&gt; element for the web application, the values in the deployment descriptor will take precedence only if allowed by the corresponding &lt;Environment&gt; element (by setting the override attribute to &#8220;true&#8221;).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If Tomcat is unable to identify the appropriate resource factory and\/or additional configuration information is required, additional Tomcat specific configuration must be specified before Tomcat can create the resource. Tomcat specific resource configuration is entered in the &lt;Context&gt; elements that can be specified in either$CATALINA_BASE\/conf\/server.xml or, preferably, the per-web-application context XML file (META-INF\/context.xml). Tomcat specific&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[8678],"tags":[8718],"class_list":["post-75549","page","type-page","status-publish","hentry","category-tomcat","tag-context-xml-configuration"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>context.xml configuration - Tutorial<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/context-xml-configuration\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"context.xml configuration - Tutorial\" \/>\n<meta property=\"og:description\" content=\"If Tomcat is unable to identify the appropriate resource factory and\/or additional configuration information is required, additional Tomcat specific configuration must be specified before Tomcat can create the resource. 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