[rules-users] Guvnor under Jetty?

ems24 evan.sayer at lucidworks.com
Mon Jul 8 18:07:55 EDT 2013 

Hi all,

I've been trying to deploy Guvnor 5.5.0 under Jetty 8, but I'm running into
the following stack trace on startup:

ERROR 27-06 04:13:58,475 (JettyPost72Container.java:initialize:72) 
Unable to create JettyWeldInjector. CDI injection will not be available in
Servlets, Filters or Listeners
java.lang.IllegalArgumentException: Cannot load class for
org.jboss.weld.environment.jetty.WeldDecorator
at
org.jboss.weld.environment.servlet.util.Reflections.classForName(Reflections.java:58)
at
org.jboss.weld.environment.jetty.JettyPost72Container.initialize(JettyPost72Container.java:66)
at
org.jboss.weld.environment.servlet.Listener.contextInitialized(Listener.java:162)
at
org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:746)
at
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:238)
at
org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1240)
at
org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:689)
at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:482)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at
org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding(StandardStarter.java:39)
at org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:186)
at
org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal(DeploymentManager.java:494)
at
org.eclipse.jetty.deploy.DeploymentManager.addApp(DeploymentManager.java:141)
at
org.eclipse.jetty.deploy.providers.ScanningAppProvider.fileAdded(ScanningAppProvider.java:145)
at
org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded(ScanningAppProvider.java:56)
at org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:615)
at org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:540)
at org.eclipse.jetty.util.Scanner.scan(Scanner.java:403)
at org.eclipse.jetty.util.Scanner.doStart(Scanner.java:337)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at
org.eclipse.jetty.deploy.providers.ScanningAppProvider.doStart(ScanningAppProvider.java:121)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at
org.eclipse.jetty.deploy.DeploymentManager.startAppProvider(DeploymentManager.java:555)
at
org.eclipse.jetty.deploy.DeploymentManager.doStart(DeploymentManager.java:230)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at
org.eclipse.jetty.util.component.AggregateLifeCycle.doStart(AggregateLifeCycle.java:81)
at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
at
org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:96)
at org.eclipse.jetty.server.Server.doStart(Server.java:281)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1259)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1182)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.eclipse.jetty.start.Main.invokeMain(Main.java:473)
at org.eclipse.jetty.start.Main.start(Main.java:615)
at org.eclipse.jetty.start.Main.main(Main.java:96)
Caused by: java.lang.NoClassDefFoundError:
org/eclipse/jetty/servlet/ServletContextHandler$Decorator
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:792)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at
org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:421)
at
org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:383)
at
org.jboss.weld.environment.servlet.util.Reflections.classForName(Reflections.java:51)
... 39 more
Caused by: java.lang.ClassNotFoundException:
org.eclipse.jetty.servlet.ServletContextHandler$Decorator
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at
org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:421)
at
org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:383)
... 51 more
ERROR 27-06 04:14:02,198 (JettyPost72Container.java:initialize:72) 
Unable to create JettyWeldInjector. CDI injection will not be available in
Servlets, Filters or Listeners
java.lang.IllegalArgumentException: Cannot load class for
org.jboss.weld.environment.jetty.WeldDecorator
at
org.jboss.weld.environment.servlet.util.Reflections.classForName(Reflections.java:58)
at
org.jboss.weld.environment.jetty.JettyPost72Container.initialize(JettyPost72Container.java:66)
at
org.jboss.weld.environment.servlet.Listener.contextInitialized(Listener.java:162)
at
org.drools.guvnor.server.repository.SafeWeldListener.contextInitialized(SafeWeldListener.java:54)
at
org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:746)
at
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:238)
at
org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1240)
at
org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:689)
at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:482)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at
org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding(StandardStarter.java:39)
at org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:186)
at
org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal(DeploymentManager.java:494)
at
org.eclipse.jetty.deploy.DeploymentManager.addApp(DeploymentManager.java:141)
at
org.eclipse.jetty.deploy.providers.ScanningAppProvider.fileAdded(ScanningAppProvider.java:145)
at
org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded(ScanningAppProvider.java:56)
at org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:615)
at org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:540)
at org.eclipse.jetty.util.Scanner.scan(Scanner.java:403)
at org.eclipse.jetty.util.Scanner.doStart(Scanner.java:337)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at
org.eclipse.jetty.deploy.providers.ScanningAppProvider.doStart(ScanningAppProvider.java:121)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at
org.eclipse.jetty.deploy.DeploymentManager.startAppProvider(DeploymentManager.java:555)
at
org.eclipse.jetty.deploy.DeploymentManager.doStart(DeploymentManager.java:230)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at
org.eclipse.jetty.util.component.AggregateLifeCycle.doStart(AggregateLifeCycle.java:81)
at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
at
org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:96)
at org.eclipse.jetty.server.Server.doStart(Server.java:281)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1259)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1182)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.eclipse.jetty.start.Main.invokeMain(Main.java:473)
at org.eclipse.jetty.start.Main.start(Main.java:615)
at org.eclipse.jetty.start.Main.main(Main.java:96)
Caused by: java.lang.NoClassDefFoundError:
org/eclipse/jetty/servlet/ServletContextHandler$Decorator
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:792)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at
org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:421)
at
org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:383)
at
org.jboss.weld.environment.servlet.util.Reflections.classForName(Reflections.java:51)
... 40 more
Caused by: java.lang.ClassNotFoundException:
org.eclipse.jetty.servlet.ServletContextHandler$Decorator
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at
org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:421)
at
org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:383)
... 52 more


Here's what I've tried so far to fix this, based on Googling around and
reading through other folks' attempts to deploy apps relying on WELD under
Jetty:

1) adding the following to Guvnor's web.xml:

<listener>
<listener-class>org.jboss.weld.environment.servlet.Listener</listener-class>
</listener>

2) creating jetty-env.xml inside Guvnor's WEB-INF with these contents:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE Configure PUBLIC &quot;-//Mort Bay Consulting//DTD
Configure//EN&quot;
    &quot;http://jetty.mortbay.org/configure.dtd&quot;>

<Configure id="webAppCtx" class="org.mortbay.jetty.webapp.WebAppContext">
  <New id="BeanManager" class="org.mortbay.jetty.plus.naming.Resource">
    <Arg>
      <Ref id="webAppCtx"/>
    </Arg>
    <Arg>BeanManager</Arg>
    <Arg>
      <New class="javax.naming.Reference">
        <Arg>javax.enterprise.inject.spi.BeanManager</Arg>
        <Arg>org.jboss.weld.resources.ManagerObjectFactory</Arg>
        <Arg/>
      </New>
    </Arg>
  </New>
</Configure>

The app does technically deploy with these additions, but I get the stack
trace above and the Guvnor UI just shows a "fatal error" message.  Any hints
on what I need to do?

Thanks

-- Evan



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