Can't find org.apache.uima.examples.xmi

When trying to run the example FileSystemCollectionReader.xml, which is find in [UIMA-HOME]/examples/descriptors/collection_reader/FileSystemCollectionReader.xml

I get the below message. I also get the same message with org.apache.uima.examples.cpe.FileSystemCollectionReader and everything else in org.apache.uima.examples.cpe

Thanks,
Andrew Borthwick
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org.apache.uima.resource.ResourceInitializationException: The class org.apache.uima.examples.xmi.XmiWriterCasConsumer could not be found. (Descriptor: /home/andrew/uima/apache-uima/examples/descriptors/cas_consumer/XmiWriterCasConsumer.xml)
at org.apache.uima.collection.impl.CollectionProcessingEngine_impl.initialize(CollectionProcessingEngine_impl.java:83)
at org.apache.uima.impl.UIMAFramework_impl._produceCollectionProcessingEngine(UIMAFramework_impl.java:395)
at org.apache.uima.UIMAFramework.produceCollectionProcessingEngine(UIMAFramework.java:807)
at org.apache.uima.tools.cpm.CpmPanel.startProcessing(CpmPanel.java:538)
at org.apache.uima.tools.cpm.CpmPanel.access$000(CpmPanel.java:96)
at org.apache.uima.tools.cpm.CpmPanel$1.construct(CpmPanel.java:678)
at org.apache.uima.tools.util.gui.SwingWorker$2.run(SwingWorker.java:130)
at java.lang.Thread.run(Thread.java:595)
Caused by: org.apache.uima.resource.ResourceConfigurationException: The class org.apache.uima.examples.xmi.XmiWriterCasConsumer could not be found. (Descriptor: /home/andrew/uima/apache-uima/examples/descriptors/cas_consumer/XmiWriterCasConsumer.xml)
at org.apache.uima.collection.impl.cpm.container.CPEFactory.isDefinitionInstanceOf(CPEFactory.java:661)
at org.apache.uima.collection.impl.cpm.container.CPEFactory.produceIntegratedCasProcessor(CPEFactory.java:1076)
at org.apache.uima.collection.impl.cpm.container.CPEFactory.getCasProcessors(CPEFactory.java:550)
at org.apache.uima.collection.impl.cpm.BaseCPMImpl.init(BaseCPMImpl.java:253)
at org.apache.uima.collection.impl.cpm.BaseCPMImpl.<init>(BaseCPMImpl.java:127)
at org.apache.uima.collection.impl.CollectionProcessingEngine_impl.initialize(CollectionProcessingEngine_impl.java:75)