Not able to build war in maven project

Question

Couple of issues :In for my maven project in Eclipse Run as -- Run on Server is not coming. 2)So i want to run in directly in tomcat server ,wo when i try to create war the following error is coming up .please help me out , i have my web.xml in the specified path only

   Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.1.1:war (default-war)
 on project SchoolMgmtApp: The specified web.xml file 
'F:\WorkSpace\SchoolMgmtApp\src\main\webapp\WEB-INF\web.xml' does not exist -

Answer 1

I think the error is self-explaining. You have no web.xml in your project. Is this intended? In theory you can have a WAR file without a web.xml file as Servlet 3.0 supports this kind of deployments. In this case you have to configure the maven-war-plugin like this:

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-war-plugin</artifactId>
  <version>2.2</version>
  <configuration>
    <failOnMissingWebXml>false</failOnMissingWebXml>
  </configuration>
</plugin>

Answer 2

Your web.xml may not be in a standard location. Some Eclipse project creation wizards put web.xml in WebContent/WEB_INF. In this case you can rearrange the project so that maven likes it, or you can tell maven where to find your web.xml in the pom.xml.

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-war-plugin</artifactId>
  <configuration>
    <webXml>WebContent\WEB-INF\web.xml</webXml>
    ...