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Re: [jetty-users] Embedded Jetty with Default and Per-App Web Descriptors

Jan,

That works great!

Thank you,

Igal Sapir
Lucee Core Developer
Lucee.org

On 7/14/2017 12:50 AM, Jan Bartel wrote:
Igal,

You can try simply putting:   webapp.setDefaultsDescriptor("resource/web.xml"). At runtime jetty will ask the classloader to load the resource with that name, and as this resource is presumably on the container classpath it should be found. For example,  jetty's default value for the default descriptor is "org/eclipse/jetty/webapp/webdefault.xml", which exists in the jetty-webapp.jar on the container classpath.

Jan

On 14 July 2017 at 07:24, Igal @ Lucee.org <igal@xxxxxxxxx> wrote:

Hi Edmond,

What happens when you run it on a Linux system?  I see the windows path in the exception, any chance it has something to do with that?

I haven't tried to run it on Linux.  This is my development machine and I'm running the embedded Jetty inside IntelliJ IDEA IDE.  It will take me some time to set up the whole thing on a Linux machine, but if I can help troubleshoot the elusive Windows bug in any way then I'd love to help.

Please note that the first context loads fine, but the second one fails.  I will try to add a 3rd context tomorrow and see if it also fails.

Best,

Igal Sapir
Lucee Core Developer
Lucee.org
On 7/13/2017 8:40 PM, Edmond Kemokai wrote:

Igal,

What happens when you run it on a Linux system?  I see the windows path in the exception, any chance it has something to do with that?


There is a bug with dynamic context loading on windows that has been around forever, despite multiple claims of fixes it has never been fixed. This is not a jetty specific issue, seems to do with the common implementation of dynamic context loading on windows.

On Jul 13, 2017 9:11 PM, "Igal @ Lucee.org" <igal@xxxxxxxxx> wrote:

Joakim,

Thank you for replying.

I tried that and it works for the first context, but for some reason for the second one I get the following error:

2017-07-13 18:05:34.217:WARN:oejw.WebAppContext:main: Failed startup of context o.e.j.w.WebAppContext@62d363ab{/,file:///E:/Workspace/git/LuceeDebug/webapps/LDEV-1369/context2/,UNAVAILABLE,localhost2.com}{E:\Workspace\git\LuceeDebug\webapps\LDEV-1369\context2}
java.lang.IllegalArgumentException: name
    at sun.misc.URLClassPath$Loader.findResource(URLClassPath.java:693)
    at sun.misc.URLClassPath.findResource(URLClassPath.java:215)
    at java.net.URLClassLoader$2.run(URLClassLoader.java:569)
    at java.net.URLClassLoader$2.run(URLClassLoader.java:567)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findResource(URLClassLoader.java:566)
    at java.lang.ClassLoader.getResource(ClassLoader.java:1096)
    at org.eclipse.jetty.util.resource.Resource.newSystemResource(Resource.java:242)
    at org.eclipse.jetty.webapp.WebXmlConfiguration.preConfigure(WebXmlConfiguration.java:50)
    at org.eclipse.jetty.webapp.WebAppContext.preConfigure(WebAppContext.java:506)
    at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:544)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:113)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:113)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131)
    at org.eclipse.jetty.server.Server.start(Server.java:452)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:105)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:113)
    at org.eclipse.jetty.server.Server.doStart(Server.java:419)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)

Any thoughts? 

Thanks again,

Igal Sapir
Lucee Core Developer
Lucee.org

On 7/13/2017 3:50 PM, Joakim Erdfelt wrote:
Drop the following ...

webapp.setResourceBase(resourceBase);
webapp.setDescriptor(resourceBase + "/WEB-INF/web.xml");

And replace it with ...

webapp.setWar(resourceBase);

That will address all 3 issues.


Joakim Erdfelt / joakim@xxxxxxxxxxx

On Thu, Jul 13, 2017 at 12:01 PM, Igal @ Lucee.org <igal@xxxxxxxxx> wrote:

I'm trying to set up a default descriptor in a shared place, and a specific descriptor in WEB-INF/web.xml

I have two contexts, and I use the method below to define them.  I get the following error for the 2nd context (seems like the first one doesn't error):

2017-07-13 11:59:02.116:WARN:oejw.WebAppContext:main: Failed startup of context o.e.j.w.WebAppContext@37cd92d6{/,file:///E:/Workspace/git/Debug/webapps/context2/,UNAVAILABLE,localhost2.com}
java.lang.IllegalArgumentException: name
    at sun.misc.URLClassPath$Loader.findResource(URLClassPath.java:693)
    at sun.misc.URLClassPath.findResource(URLClassPath.java:215)
    at java.net.URLClassLoader$2.run(URLClassLoader.java:569)
    at java.net.URLClassLoader$2.run(URLClassLoader.java:567)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findResource(URLClassLoader.java:566)
    at java.lang.ClassLoader.getResource(ClassLoader.java:1096)
    at org.eclipse.jetty.util.resource.Resource.newSystemResource(Resource.java:242)
    at org.eclipse.jetty.webapp.WebXmlConfiguration.preConfigure(WebXmlConfiguration.java:50)
    at org.eclipse.jetty.webapp.WebAppContext.preConfigure(WebAppContext.java:506)
    at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:544)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:113)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:113)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131)
    at org.eclipse.jetty.server.Server.start(Server.java:452)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:105)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:113)
    at org.eclipse.jetty.server.Server.doStart(Server.java:419)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)

   /**
    *
    * @param resourceBase the path to the web root
    * @param contextPath the virtual path for the context, e.g. "/"
    * @return
    * @throws Exception
    */
   public static WebAppContext createWebAppContext(String resourceBase, String contextPath) throws Exception {

      File file = new File(resourceBase);

      resourceBase = file.getCanonicalPath();

      if (contextPath == null || contextPath.isEmpty())
         contextPath = "/";

      WebAppContext webapp = new WebAppContext();
      webapp.setContextPath(contextPath);
      webapp.setResourceBase(resourceBase);

      webapp.setConfigurationClasses(webappDefaultConfigurationClasses);

      // Set default descriptor for all contexts
      webapp.setDefaultsDescriptor(DebugLucee.class.getResource("/resource/web.xml").getPath());

      // Set app-specific descriptor at {webroot}/WEB-INF/web.xml
      webapp.setDescriptor(resourceBase + "/WEB-INF/web.xml");

      return webapp;
   }
   public static final String[] webappDefaultConfigurationClasses = new String[]{
      "org.eclipse.jetty.webapp.WebInfConfiguration"
     ,"org.eclipse.jetty.webapp.WebXmlConfiguration"
     ,"org.eclipse.jetty.webapp.MetaInfConfiguration"
     ,"org.eclipse.jetty.webapp.FragmentConfiguration"
     ,"org.eclipse.jetty.annotations.AnnotationConfiguration"
     ,"org.eclipse.jetty.webapp.JettyWebXmlConfiguration"
   };

Is it possible to achieve that?  If so, how?  Thanks!

Igal Sapir
Lucee Core Developer
Lucee.org


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--
Jan Bartel <janb@xxxxxxxxxxx>
www.webtide.com
Expert assistance from the creators of Jetty and CometD 



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