Loading itext OSGi lib error

I get the following error if i try to access the itext bundle for the first time from flex2gateway.
the state in info → bundle is loaded but with yellow color insteand of green.
the error message is

“ERROR”,“ajp-nio-8009-exec-4”,“04/18/2018”,“15:39:05”,“”,";cannot load class through its string name, because no definition for the class with the specified name [com.lowagie.text.Rectangle] could be found caused by (java.lang.ClassNotFoundException:com.lowagie.text.Rectangle not found by lucee.core [64];java.lang.ClassNotFoundException:com.lowagie.text.Rectangle;);lucee.runtime.exp.NativeException: cannot load class through its string name, because no definition for the class with the specified name [com.lowagie.text.Rectangle] could be found caused by (java.lang.ClassNotFoundException:com.lowagie.text.Rectangle not found by lucee.core [64];java.lang.ClassNotFoundException:com.lowagie.text.Rectangle;)
at lucee.commons.lang.ClassUtil.loadClass(ClassUtil.java:289)
at lucee.runtime.functions.other.JavaProxy.loadClassByPath(JavaProxy.java:137)
at lucee.runtime.functions.other.JavaProxy.loadClass(JavaProxy.java:65)
at lucee.runtime.functions.other.JavaProxy.call(JavaProxy.java:59)
at lucee.runtime.functions.other.CreateObject.doJava(CreateObject.java:137)
at lucee.runtime.functions.other.CreateObject.call(CreateObject.java:59)
at lucee.runtime.functions.other.CreateObject.call(CreateObject.java:47)
at novusnet.core.database.mssql.reportinghandler.pdfhandler_cfc$cf.udfCall(/BlueRiver/novusnet/core/database/mssql/reportingHandler/PDFHandler.cfc:96)
at lucee.runtime.type.UDFImpl.implementation(UDFImpl.java:107)
at lucee.runtime.type.UDFImpl._call(UDFImpl.java:357)
at lucee.runtime.type.UDFImpl.call(UDFImpl.java:226)
at lucee.runtime.ComponentImpl._call(ComponentImpl.java:703)
at lucee.runtime.ComponentImpl._call(ComponentImpl.java:586)
at lucee.runtime.ComponentImpl.call(ComponentImpl.java:1972)
at lucee.runtime.util.VariableUtilImpl.callFunctionWithoutNamedValues(VariableUtilImpl.java:756)
at lucee.runtime.PageContextImpl.getFunction(PageContextImpl.java:1698)
at novusnet.clientadapter.pdfgeneratoradapter_cfc$cf.udfCall(/BlueRiver/NovusNet/clientAdapter/PDFGeneratorAdapter.cfc:21)
at lucee.runtime.type.UDFImpl.implementation(UDFImpl.java:107)
at lucee.runtime.type.UDFImpl._call(UDFImpl.java:357)
at lucee.runtime.type.UDFImpl.call(UDFImpl.java:226)
at lucee.runtime.ComponentImpl._call(ComponentImpl.java:703)
at lucee.runtime.ComponentImpl._call(ComponentImpl.java:594)
at lucee.runtime.ComponentImpl.call(ComponentImpl.java:1980)
at lucee.runtime.ComponentSpecificAccess.call(ComponentSpecificAccess.java:145)
at lucee.runtime.ComponentPageImpl.callWDDX(ComponentPageImpl.java:685)
at lucee.runtime.ComponentPageImpl.call(ComponentPageImpl.java:207)
at lucee.runtime.PageContextImpl._doInclude(PageContextImpl.java:939)
at lucee.runtime.PageContextImpl._doInclude(PageContextImpl.java:833)
at lucee.runtime.listener.ModernAppListener._onRequest(ModernAppListener.java:223)
at lucee.runtime.listener.MixedAppListener.onRequest(MixedAppListener.java:43)
at lucee.runtime.PageContextImpl.execute(PageContextImpl.java:2405)
at lucee.runtime.PageContextImpl._execute(PageContextImpl.java:2395)
at lucee.runtime.PageContextImpl.executeCFML(PageContextImpl.java:2363)
at flex.messaging.services.remoting.adapters.BlueRiverAdapter.invoke(BlueRiverAdapter.java:329)
at flex.messaging.services.RemotingService.serviceMessage(RemotingService.java:180)
at flex.messaging.MessageBroker.routeMessageToService(MessageBroker.java:1472)
at flex.messaging.endpoints.AbstractEndpoint.serviceMessage(AbstractEndpoint.java:1046)
at flex.messaging.endpoints.amf.MessageBrokerFilter.invoke(MessageBrokerFilter.java:101)
at flex.messaging.endpoints.amf.LegacyFilter.invoke(LegacyFilter.java:154)
at flex.messaging.endpoints.amf.SessionFilter.invoke(SessionFilter.java:42)
at flex.messaging.endpoints.amf.BatchProcessFilter.invoke(BatchProcessFilter.java:63)
at flex.messaging.endpoints.amf.SerializationFilter.invoke(SerializationFilter.java:190)
at flex.messaging.endpoints.BaseHTTPEndpoint.service(BaseHTTPEndpoint.java:328)
at flex.messaging.endpoints.BlueRiverAMFEndpoint.service(BlueRiverAMFEndpoint.java:125)
at flex.messaging.MessageBrokerServlet.service(MessageBrokerServlet.java:373)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:486)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: lucee.commons.lang.ClassException: cannot load class through its string name, because no definition for the class with the specified name [com.lowagie.text.Rectangle] could be found caused by (java.lang.ClassNotFoundException:com.lowagie.text.Rectangle not found by lucee.core [64];java.lang.ClassNotFoundException:com.lowagie.text.Rectangle;)
… 67 more

if load the itext bundle for the first time from a cfm page or component the flex2gateway works fine.
is there a way to get more info about bundles ?

Thanks