http4e and RTC client

Hi,

I'm trying to use OSLC CM for RTC. One of the methods suggested to make REST calls is the eclipse plugin http4e.
I have installed the plugin on the RTC client using the Help/Software Updates and I'm able to start the http4e view. However I'm getting the below error.
I'm using RTC 2.0.0.2 IFix3 and http4e 4.01.
Anyone have seen this before?

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"Could not create the view: An unexpected exception was thrown."
java.lang.NullPointerException
at java.net.URLEncoder.encode(URLEncoder.java:227)
at org.roussev.http4e.E.H.D(Unknown Source)
at org.roussev.http4e.httpclient.core.client.view.Q.C(Unknown Source)
at org.roussev.http4e.httpclient.core.client.view.Q.B(Unknown Source)
at org.roussev.http4e.httpclient.core.client.view.Q.<init>(Unknown Source)
at org.roussev.http4e.httpclient.core.client.view.Q.C(Unknown Source)
at org.roussev.http4e.httpclient.core.client.view.U.<clinit>(Unknown Source)
at java.lang.J9VMInternals.initializeImpl(Native Method)
at java.lang.J9VMInternals.initialize(J9VMInternals.java:196)
at org.roussev.http4e.httpclient.ui.C.A(Unknown Source)
at org.roussev.http4e.httpclient.ui.C.A(Unknown Source)
at org.roussev.http4e.httpclient.ui.HdViewPart.createPartControl(Unknown Source)
at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:371)
at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:230)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:594)
at org.eclipse.ui.internal.Perspective.showView(Perspective.java:2131)
at org.eclipse.ui.internal.WorkbenchPage.busyShowView(WorkbenchPage.java:1062)
at org.eclipse.ui.internal.WorkbenchPage$19.run(WorkbenchPage.java:3773)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:3770)
at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:3746)
at org.eclipse.ui.handlers.ShowViewHandler.openView(ShowViewHandler.java:165)
at org.eclipse.ui.handlers.ShowViewHandler.openOther(ShowViewHandler.java:109)
at org.eclipse.ui.handlers.ShowViewHandler.execute(ShowViewHandler.java:77)
at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:281)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:247)
at org.eclipse.ui.internal.ShowViewMenu$3.run(ShowViewMenu.java:134)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:583)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:500)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3840)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3439)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2384)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2348)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2200)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:495)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:490)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:386)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
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Regards,
Borra