VelocityViewServlet : Error processing the template

Unable to find resource '/vm/index.vm'
org.apache.velocity.exception.ResourceNotFoundException: Unable to find resource '/vm/index.vm'
   at org.apache.velocity.runtime.resource.ResourceManagerImpl.loadResource(ResourceManagerImpl.java:501)
   at org.apache.velocity.runtime.resource.ResourceManagerImpl.getResource(ResourceManagerImpl.java:384)
   at org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:814)
   at org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:796)
   at org.apache.velocity.runtime.RuntimeSingleton.getTemplate(RuntimeSingleton.java:337)
   at org.apache.velocity.tools.view.servlet.VelocityViewServlet.getTemplate(Unknown Source)
   at org.apache.velocity.tools.view.servlet.VelocityViewServlet.handleRequest(Unknown Source)
   at org.apache.velocity.tools.view.servlet.VelocityViewServlet.doRequest(Unknown Source)
   at org.apache.velocity.tools.view.servlet.VelocityViewServlet.doGet(Unknown Source)
   at javax.servlet.http.HttpServlet.service(tomcat5-servlet-2.4-api-5.5.17.jar.so)
   at javax.servlet.http.HttpServlet.service(tomcat5-servlet-2.4-api-5.5.17.jar.so)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(catalina-5.5.17.jar.sotm4bnu.so)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(catalina-5.5.17.jar.sotm4bnu.so)
   at org.apache.catalina.core.StandardWrapperValve.invoke(catalina-5.5.17.jar.sotm4bnu.so)
   at org.apache.catalina.core.StandardContextValve.invoke(catalina-5.5.17.jar.sotm4bnu.so)
   at org.apache.catalina.core.StandardHostValve.invoke(catalina-5.5.17.jar.sotm4bnu.so)
   at org.apache.catalina.valves.ErrorReportValve.invoke(catalina-5.5.17.jar.sotm4bnu.so)
   at org.apache.catalina.core.StandardEngineValve.invoke(catalina-5.5.17.jar.sotm4bnu.so)
   at org.apache.catalina.connector.CoyoteAdapter.service(catalina-5.5.17.jar.sotm4bnu.so)
   at org.apache.jk.server.JkCoyoteHandler.invoke(tomcat-ajp-5.5.17.jar.so)
   at org.apache.jk.common.HandlerRequest.invoke(tomcat-ajp-5.5.17.jar.so)
   at org.apache.jk.common.ChannelSocket.invoke(tomcat-ajp-5.5.17.jar.so)
   at org.apache.jk.common.ChannelSocket.processConnection(tomcat-ajp-5.5.17.jar.so)
   at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(tomcat-ajp-5.5.17.jar.so)
   at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(tomcat-util-5.5.17.jar.so)
   at java.lang.Thread.run(libgcj.so.7rh)