Petals BC MAIL

java.lang.NullPointerException
 	at javax.mail.internet.InternetAddress.parse(InternetAddress.java:696)
 	at javax.mail.internet.InternetAddress.parse(InternetAddress.java:655)
 	at javax.mail.internet.InternetAddress.parse(InternetAddress.java:632)
 	at org.ow2.petals.bc.mail.MailUtil.buildFromProperties(MailUtil.java:345)
 	at org.ow2.petals.bc.mail.service.provide.integration.SendMailOperation.sendMail(SendMailOperation.java:67)
 	at org.ow2.petals.bc.mail.listeners.JBIListener.onJBIMessage(JBIListener.java:118)
 	at org.ow2.petals.component.framework.process.MessageExchangeProcessor.invokeJBIListener(MessageExchangeProcessor.java:522)
 	at org.ow2.petals.component.framework.process.MessageExchangeProcessor.processAsProvider(MessageExchangeProcessor.java:490)
 	at org.ow2.petals.component.framework.process.MessageExchangeProcessor.process(MessageExchangeProcessor.java:280)
 	at org.ow2.petals.component.framework.process.MessageExchangeProcessor.run(MessageExchangeProcessor.java:182)
 	at org.ow2.petals.component.framework.process.JBIProcessorThreadPoolExecutor$ExchangeRunnable.run(JBIProcessorThreadPoolExecutor.java:90)
 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 	at java.lang.Thread.run(Thread.java:745)