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"unknown protocol: dyndata" after upgrade to 3.1.0 [message #1778279] Tue, 12 December 2017 10:29 Go to next message
Eclipse UserFriend
Hey,

We have a product that was running on efxclipse v2.3.0. I recently updated the target platform to 3.1.0 since I believe a version later than 3.0.0 is required for proper java 9 support(?).
We were using the URLDynamicDataStreamHandler to load stylesheets. After upgrading to 3.1.0 I get following exception for the URL 
dyndata:bundleresource://65.fwk1206883981:1/css/customization-stylesheet.css?efx_DynamicDataHandlerId=efx_DynamicDataHandlerId&theme=theme.dark&colorCategory=bla.bla.app


java.lang.IllegalStateException: Failed to create URL 'dyndata:bundleresource://65.fwk1206883981:1/css/customization-stylesheet.css?efx_DynamicDataHandlerId=efx_DynamicDataHandlerId&theme=theme.light&colorCategory=bla.bla.app'
	at org.eclipse.fx.core.URLDynamicDataStreamHandler.createDynamicDataStreamURL(URLDynamicDataStreamHandler.java:91)

...

Caused by: java.net.MalformedURLException: unknown protocol: dyndata
	at java.net.URL.<init>(Unknown Source)
	at java.net.URL.<init>(Unknown Source)
	at java.net.URL.<init>(Unknown Source)
	at org.eclipse.fx.core.URLDynamicDataStreamHandler.createDynamicDataStreamURL(URLDynamicDataStreamHandler.java:89)


Unfortunately I couldn't find any documentation on this feature anywhere. How can I register the proper handler for the dyndata protocol?
Thanks!

Selim
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1778302 is a reply to message #1778279] Tue, 12 December 2017 16:31 Go to previous messageGo to next message
Eclipse UserFriend
Are you running on Java9 or Java8?
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1778338 is a reply to message #1778302] Wed, 13 December 2017 04:36 Go to previous messageGo to next message
Eclipse UserFriend
It's still running on 8u151. I wanted to get it working there before starting with 9.
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1778874 is a reply to message #1778338] Fri, 22 December 2017 13:51 Go to previous messageGo to next message
Eclipse UserFriend
I guess you need to debug a bit:
* Put a break-point into DynamicDataStreamHandler#getProtocol() is it called?
* When is it a called? Who calls it?

The registration should happen in "DefaultThemeManager"s constructor. Is the DefaultThemeManager instantiated?
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1778973 is a reply to message #1778874] Wed, 27 December 2017 04:51 Go to previous messageGo to next message
Eclipse UserFriend
Hey Thomas,

as you said the DefaultThemeManager calls DynamicDataStreamHandler#getProtocol() but the exception is logged before, so maybe something with the order of the registration was changed.
I will try to investigate further.

Thanks!
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1779063 is a reply to message #1778973] Sun, 31 December 2017 15:04 Go to previous messageGo to next message
Eclipse UserFriend
Well in 3.1 the upstream platform adopted felix-scr as the DS implementation - so yes there might be changes! I'm not really happy how the registration is done today - we should find a better way anyways in 4.0 or even 3.x
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1779150 is a reply to message #1779063] Wed, 03 January 2018 04:17 Go to previous messageGo to next message
Eclipse UserFriend
Hey Thomas,

indeed with a target platform of v3.0.0 the issue is resolved... Maybe we'll stick with this for now.

Thanks
Selim
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1779165 is a reply to message #1779150] Wed, 03 January 2018 07:05 Go to previous messageGo to next message
Eclipse UserFriend
3.0.0 does not fully support Java9 and we should definately find out why the URL is used before the theme-mangager has been started the URL you show indicates you load some CSS
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1779177 is a reply to message #1779165] Wed, 03 January 2018 10:43 Go to previous messageGo to next message
Eclipse UserFriend
Hey,

From the release notes it looks like only this FXCanvas is not supported? Is there anything else that is known to not work?

Is there a way to request an instance of DefaultThemeManager before the Themes are being created? I don't know who requests the creation of the themes but my idea would be to just request an instance of DefaultThemeManager before?
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1779198 is a reply to message #1779177] Wed, 03 January 2018 13:24 Go to previous messageGo to next message
Eclipse UserFriend
The important Java9 changes are in the platform/equinox parts we inherit from upstream projects!
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1780297 is a reply to message #1779198] Fri, 19 January 2018 11:41 Go to previous messageGo to next message
Eclipse UserFriend
Hey,
the framework is apparently trying to load our theme class (which uses the dynamic data stream feature) before the DefaultThemeManager is constructed. Is this a bug maybe (since it worked pre 3.1.0)?

Our theme looks like this:
import bli.bla.blubb.BrandingTheme;
import org.eclipse.fx.ui.services.theme.Theme;

@Component(service = { Theme.class, BrandingTheme.class })
public class DarkTheme extends AbstractTheme implements BrandingTheme {


and the components xml looks like this:
<?xml version="1.0" encoding="UTF-8"?>
<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="bli.bla.blubb.DarkTheme">
   <service>
      <provide interface="org.eclipse.fx.ui.services.theme.Theme"/>
      <provide interface="bli.bla.blubb..BrandingTheme"/>
   </service>
   <reference bind="registerMultiURLStylesheet" cardinality="0..n" interface="org.eclipse.fx.ui.services.theme.MultiURLStylesheet" name="registerMultiURLStylesheet" policy="dynamic" unbind="unregisterMultiURLStylesheet"/>
   <reference bind="registerStylesheet" cardinality="0..n" interface="org.eclipse.fx.ui.services.theme.Stylesheet" name="registerStylesheet" policy="dynamic" unbind="unregisterStylesheet"/>
   <implementation class="bli.bla.blubb.DarkTheme"/>
</scr:component>



"JavaFX Application Thread@2342" prio=5 tid=0x1d nid=NA runnable
  java.lang.Thread.State: RUNNABLE
                  at org.eclipse.fx.ui.theme.internal.DefaultThemeManager.<init>(DefaultThemeManager.java:58)
                  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:-1)
                  at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
                  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
                  at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
                  at java.lang.Class.newInstance(Class.java:442)
                  at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:237)
                  at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:109)
                  at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:906)
                  at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:879)
                  at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:823)
                  at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse$1.run(ServiceFactoryUse.java:212)
                  at java.security.AccessController.doPrivileged(AccessController.java:-1)
                  at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.factoryGetService(ServiceFactoryUse.java:210)
                  at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.getService(ServiceFactoryUse.java:111)
                  at org.eclipse.osgi.internal.serviceregistry.ServiceConsumer$2.getService(ServiceConsumer.java:45)
                  at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:508)
                  - locked <0xf8d> (a org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse)
                  at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:461)
                  at org.eclipse.osgi.internal.framework.BundleContextImpl.getService(BundleContextImpl.java:624)
                  at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.lookup(EclipseContextOSGi.java:85)
                  at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.containsKey(EclipseContextOSGi.java:61)
                  at org.eclipse.e4.core.internal.contexts.EclipseContext.containsKey(EclipseContext.java:154)
                  at org.eclipse.e4.core.internal.contexts.EclipseContext.containsKey(EclipseContext.java:145)
                  at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:69)
                  at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:111)
                  at org.eclipse.e4.core.internal.contexts.EclipseContext.runAndTrack(EclipseContext.java:337)
                  at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier.get(ContextObjectSupplier.java:170)
                  at org.eclipse.e4.core.internal.di.InjectorImpl.resolveArgs(InjectorImpl.java:529)
                  at org.eclipse.e4.core.internal.di.InjectorImpl.resolveRequestorArgs(InjectorImpl.java:457)
                  at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:113)
                  at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:399)
                  at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:318)
                  at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)
                  at org.eclipse.fx.ui.workbench.fx.E4Application.preLifecycle(E4Application.java:260)
                  at org.eclipse.fx.ui.workbench.base.AbstractE4Application.createE4Workbench(AbstractE4Application.java:226)
                  at org.eclipse.fx.ui.workbench.fx.E4Application.initE4Workbench(E4Application.java:358)
                  at org.eclipse.fx.ui.workbench.fx.E4Application$1.run(E4Application.java:215)
                  at org.eclipse.fx.ui.workbench.fx.E4Application.jfxStart(E4Application.java:253)
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1780322 is a reply to message #1780297] Fri, 19 January 2018 20:00 Go to previous messageGo to next message
Eclipse UserFriend
Hm can you show the Full stacktrace from the first post as well because i don't understand why the URL content gets accessed
Re: "unknown protocol: dyndata" after upgrade to 3.1.0 [message #1782795 is a reply to message #1778279] Thu, 01 March 2018 09:29 Go to previous message
Eclipse UserFriend
I was able to work around the issue by adding following code to the constructor of our themes:

synchronized (workAroundComplete) {
	// we don't need to do this twice
	if (workAroundComplete.compareAndSet(false, true)) {
		// register handlers for custom protocols (especially "dyndata")
		for (URLStreamHandler handler : ServiceUtils.getServiceList(URLStreamHandler.class)) {
			Hashtable<String, Object> t = new Hashtable<>();
			t.put(URLConstants.URL_HANDLER_PROTOCOL, new String[] { handler.getProtocol() });
			BundleContext bundleContext = FrameworkUtil.getBundle(getClass()).getBundleContext();
			bundleContext.registerService("org.osgi.service.url.URLStreamHandlerService",
					new DelegatingURLStreamHandlerService(handler), t);
		}
	}
}


This is essentially what the DefaultThemeManager is doing, except I am making sure it is done before my themes provide their dynamic urls.
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