Fix OfficeManager is not started on Rendering Jenkins job

2013-10-26 01:51:56,558 ERROR [Nuxeo-Work-default-3] [org.nuxeo.ecm.platform.convert.ooomanager.OOoManagerComponent] OfficeManager is not started.
2013-10-26 01:51:56,558 WARN  [Nuxeo-Work-default-3] [org.nuxeo.ecm.platform.thumbnail.factories.ThumbnailDocumentFactory] Cannot compute document thumbnail
org.nuxeo.ecm.core.convert.api.ConversionException: error while trying to execute converters chain
	at org.nuxeo.ecm.core.convert.extension.ChainedConverter.convertBasedSubConverters(ChainedConverter.java:92)
	at org.nuxeo.ecm.core.convert.extension.ChainedConverter.convert(ChainedConverter.java:64)
	at org.nuxeo.ecm.core.convert.service.ConversionServiceImpl.convert(ConversionServiceImpl.java:168)
	at org.nuxeo.ecm.platform.thumbnail.converter.AnyToThumbnailConverter.convert(AnyToThumbnailConverter.java:88)
	at org.nuxeo.ecm.core.convert.service.ConversionServiceImpl.convert(ConversionServiceImpl.java:168)
	at org.nuxeo.ecm.platform.thumbnail.factories.ThumbnailDocumentFactory.computeThumbnail(ThumbnailDocumentFactory.java:86)
	at org.nuxeo.ecm.core.api.thumbnail.ThumbnailServiceImpl.computeThumbnail(ThumbnailServiceImpl.java:100)
	at org.nuxeo.ecm.core.api.thumbnail.ThumbnailAdapter.computeThumbnail(ThumbnailAdapter.java:57)
	at org.nuxeo.ecm.platform.thumbnail.listener.UpdateThumbnailListener.processDoc(UpdateThumbnailListener.java:47)
	at org.nuxeo.ecm.platform.thumbnail.listener.UpdateThumbnailListener.handleEvent(UpdateThumbnailListener.java:94)
	at org.nuxeo.ecm.core.event.impl.AsyncEventExecutor$ListenerWork.work(AsyncEventExecutor.java:157)
	at org.nuxeo.ecm.core.work.WorkHolder.run(WorkHolder.java:65)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
Caused by: org.nuxeo.ecm.core.convert.api.ConversionException: Could not connect to the remote OpenOffice server
	at org.nuxeo.ecm.platform.convert.plugins.JODBasedConverter.newDocumentConverter(JODBasedConverter.java:354)
	at org.nuxeo.ecm.platform.convert.plugins.JODBasedConverter.convert(JODBasedConverter.java:207)
	at org.nuxeo.ecm.core.convert.extension.ChainedConverter.convertBasedSubConverters(ChainedConverter.java:86)
	... 14 more