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struts.xml doesnot open and changes mde also disappears

shashank beerla
Greenhorn

Joined: Jun 07, 2013
Posts: 27
here is the error - I am using myeclipse and it has in built struts 1.2 library which i am using for building my application. I am deploying it onto tomcat 7 server

ould not open the editor: org.eclipse.emf.ecore.xmi.FeatureNotFoundException: Feature 'tag-lib' not found. (platform:/resource/StrutsDesign/WebRoot/WEB-INF/web.xml, 16, 10)

org.eclipse.emf.ecore.xmi.FeatureNotFoundException: Feature 'tag-lib' not found. (platform:/resource/StrutsDesign/WebRoot/WEB-INF/web.xml, 16, 10)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.reportUnknownFeature(XMLHandler.java:1985)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.handleUnknownFeature(XMLHandler.java:1949)
at org.eclipse.emf.ecore.xmi.impl.XMIHandler.handleUnknownFeature(XMIHandler.java:145)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.handleFeature(XMLHandler.java:1893)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.processElement(XMLHandler.java:1017)
at org.eclipse.emf.ecore.xmi.impl.XMIHandler.processElement(XMIHandler.java:81)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.startElement(XMLHandler.java:995)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.startElement(XMLHandler.java:706)
at org.eclipse.emf.ecore.xmi.impl.XMIHandler.startElement(XMIHandler.java:163)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:400)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2756)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:175)
at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doLoad(XMLResourceImpl.java:240)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1505)

here is my web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app>
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<tag-lib>
<taglib-uri>/WEB-INF/struts-html.tld</taglib-uri>
<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
</tag-lib>
<tag-lib>
<taglib-uri>/WEB-INF/struts-logic.tld</taglib-uri>
<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
</tag-lib>
<tag-lib>
<taglib-uri>/WEB-INF/struts-bean.tld</taglib-uri>
<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
</tag-lib>
<welcome-file-list>
<welcome-file>index1.jsp</welcome-file>
</welcome-file-list>
</web-app>

struts.xml

<struts-config>
<form-beans>
<form-bean name="displayForm" type="form.DisplayForm"/>
</form-beans>
<action-mappings>
<action path="/export"
type="action.DisplayAction"
name="displayForm">
<forward name="success" path="/index1.jsp"/>
<forward name="failure" path="/failure.jsp"/>
</action>
</action-mappings>
<message-resources parameter="ApplicationResources" null="false" />
</struts-config>

i tried to add doc type to struts.xml and saved it. When i run the server it disappears again. I don't know why





 
It is sorta covered in the JavaRanch Style Guide.
 
subject: struts.xml doesnot open and changes mde also disappears