question about generatePDFOutput api

When I attempt to invoke the generatePDFOutput api I get a "OutputService not found" exception. Do I need to install the Output ES component.
Am using Livecycle ES 8.

Thanks

OutputResult outputDocument = aClient.generatePDFOutput(
TransformationFormat.PDF,
formName,
contentRoot,
outputOptions,
pdfOptions,
xmlDocData
);

From log file

2008-01-02 20:55:20,391 [[ACTIVE] ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'] ERROR - Exception occurred ALC-DSC-012-000: com.adobe.idp.dsc.registry.ServiceNotFoundException: Service: OutputService not found. ALC-DSC-012-000: com.adobe.idp.dsc.registry.ServiceNotFoundException: Service: OutputService not found.
at com.adobe.idp.dsc.registry.service.impl.ServiceRegistryImpl.getService(ServiceRegistryImp l.java:978)
at com.adobe.idp.dsc.registry.service.impl.ServiceRegistryImpl.getHeadActiveConfiguration(Se rviceRegistryImpl.java:836)
at com.adobe.idp.dsc.engine.impl.ServiceEngineImpl.resolveConfiguration(ServiceEngineImpl.ja va:146)
at com.adobe.idp.dsc.provider.impl.ejb.receiver.EjbReceiverBean.invoke(EjbReceiverBean.java: 131)
at com.adobe.idp.dsc.provider.impl.ejb.receiver.Invocation_fpvhue_EOImpl.invoke(Invocation_f pvhue_EOImpl.java:60)
at com.adobe.idp.dsc.provider.impl.ejb.receiver.Invocation_fpvhue_EOImpl_WLSkel.invoke(Unkno wn Source)
at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:174)
at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:335)
at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:252)
at com.adobe.idp.dsc.provider.impl.ejb.receiver.Invocation_fpvhue_EOImpl_922_WLStub.invoke(U nknown Source)
at com.adobe.idp.dsc.provider.impl.ejb.EjbMessageDispatcher.doSend(EjbMessageDispatcher.java :137)
at com.adobe.idp.dsc.provider.impl.base.AbstractMessageDispatcher.send(AbstractMessageDispat cher.java:57)
at com.adobe.idp.dsc.clientsdk.ServiceClient.invoke(ServiceClient.java:208)
at com.adobe.livecycle.output.client.OutputClient.invokeRequest(OutputClient.java:380)
at com.adobe.livecycle.output.client.OutputClient.generatePDFOutput(OutputClient.java:121)
at com.wellsfargo.DocGen.DocGenBean.ProcessDocument(DocGenBean.java:505)
at com.wellsfargo.DocGen.DocGenBean.GenDocs(DocGenBean.java:338)
at com.wellsfargo.DocGen.DocGen_7hko3k_EOImpl.GenDocs(DocGen_7hko3k_EOImpl.java:60)
at com.wellsfargo.DocGen.DocGen_7hko3k_EOImpl_WLSkel.invoke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:550)
at weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:224)
at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:440)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:436)
at weblogic.rmi.internal.BasicServerRef.access$300(BasicServerRef.java:58)
at weblogic.rmi.internal.BasicServerRef$BasicExecuteRequest.run(BasicServerRef.java:975)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)