package javaeetutorial.helloservice;

import javax.jws.WebService;
import javax.jws.WebMethod;

@WebService
public class Hello {

    private final String message = "Hello, ";

    public Hello() {
    }

    @WebMethod
    public String sayHello(String name) {
        return message + name + ".";
    }
}

java.lang.Exception: java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: java.lang.RuntimeException: Servlet web service endpoint '' failure
        at com.sun.enterprise.web.WebApplication.start(WebApplication.java:168)
        at org.glassfish.internal.data.EngineRef.start(EngineRef.java:122)
        at org.glassfish.internal.data.ModuleInfo.start(ModuleInfo.java:291)
        at org.glassfish.internal.data.ApplicationInfo.start(ApplicationInfo.java:352)
        at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:500)
        at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219)
        at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491)
        ...