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POWhy does JAX-WS freeze while deploying any service using JAXB databinding?
 

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  1. POWhy does JAX-WS freeze while deploying any service using JAXB databinding?
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    <p>I'm attempting to create a JAX-WS service that uses JAXB databinding of objects generated from the very large (900+ classes) set of <a href="http://www.opentravel.org/specifications/SchemaIndex.aspx?FolderName=2011B" rel="nofollow">Opentravel Alliance schemas</a>. </p> <p>I am able to successfully deploy a war (with proper web.xml and sun-jaxws.xml) containing my JAX-WS service on various servlet containers (Jetty, Tomcat6/7, etc.) as long as my web method does <strong>not</strong> reference any of my JAXB objects. For example, this works:</p> <pre><code>@WebService(serviceName = "OTAService", targetNamespace = "http://www.opentravel.org/OTA/2003/05") @Addressing @SOAPBinding(parameterStyle = SOAPBinding.ParameterStyle.BARE) public class OTAService { public String sayHello(final String name) { return "Hello " + name + "!"; } } </code></pre> <p>However, if I change the web method to use JAXB databinding by adding a <code>@XmlSeeAlso</code> annotation or by referencing the objects directly, all of the servlet containers I have tried hang indefinitely (1+ hours), without error, and never start:</p> <pre><code>@WebService(serviceName = "OTAService", targetNamespace = "http://www.opentravel.org/OTA/2003/05") @Addressing @SOAPBinding(parameterStyle = SOAPBinding.ParameterStyle.BARE) @XmlSeeAlso({OTAHotelResNotifRQ.class, OTAHotelResNotifRS.class}) public class OTAService { @Action(input = "OTA_HotelResNotif") @WebMethod(operationName = "OTA_HotelResNotif", action = "OTA_HotelResNotif") public @WebResult OTAHotelResNotifRQ tokenizeOtaHotelResNotifRq( @WebParam(partName = "OTA_HotelResNotifRQ", name = "OTA_HotelResNotifRQ", targetNamespace = "http://www.opentravel.org/OTA/2003/05") final OTAHotelResNotifRQ request) { return request; } } </code></pre> <p>I have verified that all of the necessary jars, including the JAXB and JAX-WS APIs and runtime jars, are present in the war's /lib directory.</p> <p>The jar containing my JAXB objects, which is a required dependency for my JAX-WS project, can be created and installed to your local repo by running <code>mvn clean install</code> on <a href="https://github.com/justingarrick/opentravel-2011b-all" rel="nofollow">this project</a>. </p> <p>My JAX-WS project, which is available <a href="https://github.com/justingarrick/jaxws-test" rel="nofollow">here</a>, can be run in Jetty by invoking <code>mvn clean package jetty:run-war</code>.</p> <p>You will notice that Jetty starts right up if only the simple <code>sayHello</code> method is present. However, if you uncomment the JAXB method, Jetty and every other servlet container that I've tried will hang forever while attempting to instantiate the JAX-WS servlet. <strong>Can someone explain why web methods with JAXB databinding prevent my war from deploying? Since the freezing behavior is identical on a variety of servlet containers, I feel that there must be some crucial step that I'm missing; however, since no errors are reported and the container startup just hangs, I do not know how to proceed.</strong></p>
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    1. USJustin Garrick
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