2274723 - Software Update Manager (SUM) Error in the step : CREATE-STACK-FROM-FILE

Software Update Manager (SUM) throws the below error in the phase CREATE-STACK-FROM-FILE (Logfile: <Path to SUM>/SUM/sdt/log/SUM/CREATE-STACK-FROM-FILE_XX.LOG)

Jan 26, 2016 2:18:55 PM [Info  ]: Processing stack definition file <Download Directory>/<Stack>.xml.
Jan 26, 2016 2:18:55 PM [Info  ]: Number of source deployed components detected from components provider: 142
Jan 26, 2016 2:18:55 PM [Info  ]: Number of source deployed components detected from components provider: 142
Jan 26, 2016 2:18:55 PM [Error ]: The following problem has occurred during step execution: java.lang.NullPointerException: while trying to invoke the method com.sap.sdt.trace.LoggerIF.info(java.lang.Class, java.lang.String, java.lang.Object[]) of a null object loaded from local variable 'logger'.

Upon repeating the step in Debug mode, the below trace is obtained (Tracefile: <Path to SUM>/SUM/sdt/trc/SUM.TRC)

at com.sap.sdt.jspm.newsdu.inbox.config.InboxCfgFactory.verifyReadable(InboxCfgFactory.java:413)
at com.sap.sdt.jspm.newsdu.inbox.config.InboxCfgFactory.createInboxCfg(InboxCfgFactory.java:106)
at com.sap.sdt.jspm.service.specifyqueue.SpecifyQueueService.getSDUProvider(SpecifyQueueService.java:793)
at com.sap.sdt.jspm.service.specifyqueue.SpecifyQueueService.scanInboxForStack(SpecifyQueueService.java:387)
at com.sap.sdt.jspm.service.specifyqueue.SpecifyQueueService.createStackFromFile(SpecifyQueueService.java:457)

Update / Upgrade of a JAVA stack with SUM

jspm.newsdu.inbox.config.InboxCfgFactory.verifyReadable, CREATE-STACK-FROM-FILE, SpecifyQueueService, java.lang.NullPointerException, com.sap.sdt.trace.LoggerIF.info, logger , KBA , BC-UPG-TLS-TLJ , Upgrade tools for Java , Problem