VelocityReport Plugin

Hi!
I get these errors testing the sample solution when I try to print a report in WC from server.

2010-12-17 09:54:03,342 ERROR [http-8080-3] com.servoy.j2db.util.Debug -
2010-12-17 09:54:03,342 ERROR [http-8080-3] com.servoy.j2db.util.Debug - Throwable
org.mozilla.javascript.WrappedException: Wrapped java.awt.HeadlessException (onActionPrint#834)
at org.mozilla.javascript.Context.throwAsScriptRuntimeEx(Context.java:1828)
at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:199)
at org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:353)
at org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3666)
at script.onActionPrint(onActionPrint:834)
at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2680)
at org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:166)
at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:387)
at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3127)
at org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:165)
at com.servoy.j2db.scripting.ScriptEngine.executeFunction(ScriptEngine.java:458)
at com.servoy.j2db.FormController.executeFunction(FormController.java:3977)
at com.servoy.j2db.FormController.executeFunction(FormController.java:3865)
at com.servoy.j2db.FormController.executeFunction(FormController.java:3787)
at com.servoy.j2db.FormController$ScriptExecuter.executeFunction(FormController.java:3642)
at com.servoy.j2db.ui.BaseEventExecutor.fireEventCommand(BaseEventExecutor.java:272)
at com.servoy.j2db.ui.BaseEventExecutor.fireActionCommand(BaseEventExecutor.java:217)
at com.servoy.j2db.server.headlessclient.dataui.WebEventExecutor.onEvent(WebEventExecutor.java:362)
at com.servoy.j2db.server.headlessclient.dataui.WebEventExecutor$2.onEvent(WebEventExecutor.java:166)
at org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:177)
at org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:300)
at org.apache.wicket.request.target.component.listener.BehaviorRequestTarget.processEvents(BehaviorRequestTarget.java:157)
at org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1250)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1436)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:486)
at com.servoy.j2db.server.servlets.Zl.doGet(Zl.java:11)
at org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:138)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.awt.HeadlessException
at apple.awt.CPrinterJob.printDialog(CPrinterJob.java:71)
at net.stuff.servoy.plugin.velocityreport.PluginProvider.js_printReport(PluginProvider.java:842)
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.mozilla.javascript.MemberBox.invoke(MemberBox.java:179)
... 42 more

Tested in WC from server. VelocityReport 1.3.12