Exception when editing symfony services.xml

[stefangr]

The exception is triggered when opening the context menu (right mouse button).

update failed for AnAction with ID=Symfony.Menu: com.intellij.psi.impl.source.xml.XmlFileImpl cannot be cast to com.jetbrains.php.lang.psi.PhpFile
java.lang.ClassCastException: com.intellij.psi.impl.source.xml.XmlFileImpl cannot be cast to com.jetbrains.php.lang.psi.PhpFile
	at fr.adrienbrault.idea.symfony2plugin.action.SymfonyContainerServiceBuilder.findPhpClass(SymfonyContainerServiceBuilder.java:101)
	at fr.adrienbrault.idea.symfony2plugin.action.SymfonyContainerServiceBuilder.update(SymfonyContainerServiceBuilder.java:42)
	at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareUpdate(ActionUtil.java:132)
	at com.intellij.openapi.actionSystem.impl.Utils.a(Utils.java:235)
	at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:180)
	at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:100)
	at com.intellij.openapi.actionSystem.impl.Utils.fillMenu(Utils.java:341)
	at com.intellij.openapi.actionSystem.impl.ActionPopupMenuImpl$MyMenu.show(ActionPopupMenuImpl.java:98)
	at com.intellij.openapi.editor.impl.EditorImpl.a(EditorImpl.java:4467)
	at com.intellij.openapi.editor.impl.EditorImpl.access$9500(EditorImpl.java:137)
	at com.intellij.openapi.editor.impl.EditorImpl$MyMouseAdapter.e(EditorImpl.java:3512)
	at com.intellij.openapi.editor.impl.EditorImpl$MyMouseAdapter.mousePressed(EditorImpl.java:3435)
	at java.awt.Component.processMouseEvent(Component.java:6538)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
	at java.awt.Component.processEvent(Component.java:6306)
	at java.awt.Container.processEvent(Container.java:2237)
	at java.awt.Component.dispatchEventImpl(Component.java:4897)
	at java.awt.Container.dispatchEventImpl(Container.java:2295)
	at java.awt.Component.dispatchEvent(Component.java:4719)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4889)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4523)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4467)
	at java.awt.Container.dispatchEventImpl(Container.java:2281)
	at java.awt.Window.dispatchEventImpl(Window.java:2746)
	at java.awt.Component.dispatchEvent(Component.java:4719)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
	at java.awt.EventQueue.access$500(EventQueue.java:98)
	at java.awt.EventQueue$3.run(EventQueue.java:715)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
	at java.awt.EventQueue$4.run(EventQueue.java:737)
	at java.awt.EventQueue$4.run(EventQueue.java:735)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
	at com.intellij.ide.IdeEventQueue.k(IdeEventQueue.java:821)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:645)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:365)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)