I install demo version (3.2.2) and gadget v1.0.2 --> I have a stacktrace because cms.url is not informed in config.xml.
This parameter should be mantadory with a regexp.

error occurred. Please contact the administrator of the application.com.google.inject.CreationException: Guice creation errors:

1) Binding to null instances is not allowed. Use toProvider(Providers.of(null)) if this is your intended behaviour.
at org.apache.shindig.common.PropertiesModule.configure(PropertiesModule.java:63)

1 error
at com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:354)
at com.google.inject.InjectorBuilder.initializeStatically(InjectorBuilder.java:152)
at com.google.inject.InjectorBuilder.build(InjectorBuilder.java:105)
at com.google.inject.Guice.createInjector(Guice.java:92)
at com.google.inject.Guice.createInjector(Guice.java:80)
at org.ametys.plugins.gadgets.Init.init(Init.java:79)
(10:26:04) aslabadie@anyware-services.com/38355233231319696501353078: An error occurred. Please contact the administrator of the application.com.google.inject.CreationException: Guice creation errors:

1) Binding to null instances is not allowed. Use toProvider(Providers.of(null)) if this is your intended behaviour.
at org.apache.shindig.common.PropertiesModule.configure(PropertiesModule.java:63)

1 error
at com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:354)
at com.google.inject.InjectorBuilder.initializeStatically(InjectorBuilder.java:152)
at com.google.inject.InjectorBuilder.build(InjectorBuilder.java:105)
at com.google.inject.Guice.createInjector(Guice.java:92)
at com.google.inject.Guice.createInjector(Guice.java:80)
at org.ametys.plugins.gadgets.Init.init(Init.java:79)
at org.ametys.runtime.cocoon.TreeProcessor.compose(TreeProcessor.java:76)
at org.apache.avalon.framework.container.ContainerUtil.compose(ContainerUtil.java:173)
at org.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(DefaultComponentFactory.java:266)
at org.apache.avalon.excalibur.component.ThreadSafeComponentHandler.initialize(ThreadSafeComponentHandler.java:108)
at org.apache.avalon.excalibur.component.ExcaliburComponentManager.initialize(ExcaliburComponentManager.java:524)
at org.apache.cocoon.components.CocoonComponentManager.initialize(CocoonComponentManager.java:583)
at org.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil.java:244)
at org.apache.cocoon.Cocoon.initialize(Cocoon.java:345)
at org.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil.java:244)
at org.apache.cocoon.servlet.CocoonServlet.createCocoon(CocoonServlet.java:1429)
at org.ametys.runtime.servlet.RuntimeServlet.createCocoon(RuntimeServlet.java:185)
at org.apache.cocoon.servlet.CocoonServlet.init(CocoonServlet.java:499)
at org.ametys.runtime.servlet.RuntimeServlet.init(RuntimeServlet.java:151)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1173)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:993)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4350)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4659)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)