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java.lang.IllegalArgumentException: Error opening socket: null	at org.apache.soap.util.net.HTTPUtils.post(HTTPUtils.java:205)	at org.apache.soap.transport.http.SOAPHTTPConnection.send(SOAPHTTPConnection.java:285)	at org.apache.soap.messaging.Message.send(Message.java:123)	at com.canon.cis.bpps.workflow.notificationmanager.handlers.BPPSNotificationHandlerSoapEndUserImpl.sendSoapNotification(BPPSNotificationHandlerSoapEndUserImpl.java:200)	at com.canon.cis.bpps.workflow.notificationmanager.handlers.BPPSNotificationHandlerSoapEndUserImpl.deliverNotification(BPPSNotificationHandlerSoapEndUserImpl.java:126)	at com.canon.cis.bpps.workflow.notificationmanager.BPPSNotificationHandlerImpl.deliverNotification(BPPSNotificationHandlerImpl.java:24)	at com.canon.cis.bpps.workflow.notificationmanager.BPPSNotificationManager.processExternalNotificationMessage(BPPSNotificationManager.java:235)	at com.canon.cis.bpps.workflow.notificationmanager.BPPSNotificationManager.processDBNotifications(BPPSNotificationManager.java:201)	at com.canon.cis.bpps.workflow.notificationmanager.BPPSNotificationManager.serviceRequests(BPPSNotificationManager.java:123)	at com.canon.cis.bpps.workflow.notificationmanager.BPPSNotificationManager.componentRun(BPPSNotificationManager.java:78)	at com.canon.cis.bpps.workflow.core.baseclasses.ComponentThread.run(ComponentThread.java:76)	at java.lang.Thread.run(Thread.java:484)