2269352 - Software Update Manager (SUM) Error in the phase: DEPLOY-COMPONENTS - Reason: An error occurred while restarting the server

Software Update Manager (SUM) fails with the below error in the step DEPLOY-COMPONENTS (Logfile: <Path to SUM>/sdt/log/SUM/DEPLOY-COMPONENTS_XX.LOG)

Jan 11, 2016 11:58:41 AM [Info  ]: Overal deployment message : Deployment error. See log <Path to SUM>/SUM/sdt/log/SUM/deploy_api.0.log for details.
com.sap.engine.services.dc.api.deploy.DeployException: [ERROR CODE DPL.DCAPI.1027] DeploymentException.
Reason: An error occurred while restarting the server.
com.sap.engine.services.dc.cm.deploy.DeploymentException: An error occurred while restarting the server.
com.sap.engine.services.dc.cm.server.spi.RestartServerService$RestartServerServiceException: [ERROR CODE DPL.DC.3154] An error occurred while restarting the AS Java Cluster.
com.sap.engine.services.dc.jstartup.JStartupException: [ERROR CODE DPL.DC.3312] An error occurred while restarting the cluster using SAP control webservice on URI [http://localhost:50013/?wsdl].
javax.xml.ws.WebServiceException: Invalid Response code (307). Server [http://<INCORRECT HOSTNAME>:50000/SAPControl.cgi] returned message [TEMPORARY REDIRECT]. Http proxy info: {3}
com.sap.engine.services.webservices.espbase.client.bindings.exceptions.TransportBindingException: Invalid Response code (307). Server [http://midvpi6db:50000/SAPControl.cgi] returned message [TEMPORARY REDIRECT]. Http proxy info: {3}

Or

Sometimes <Path to SUM>/sdt/log/SUM/DEPLOY-COMPONENTS_XX.LOG has a generic error:

com.sap.engine.services.dc.api.deploy.DeployException: [ERROR CODE DPL.DCAPI.1027] DeploymentException.
Reason: An error occurred while restarting the server.
com.sap.engine.services.dc.cm.deploy.DeploymentException: An error occurred while restarting the server.
com.sap.engine.services.dc.cm.server.spi.RestartServerService$RestartServerServiceException: [ERROR CODE DPL.DC.3154] An error occurred while restarting the AS Java Cluster.
com.sap.engine.services.dc.jstartup.JStartupException: [ERROR CODE DPL.DC.3312] An error occurred while restarting the cluster using SAP control webservice on URI [http://localhost:[port]/?wsdl].
javax.xml.ws.WebServiceException: Invalid Response code (503). Server [http://localhost:[port]/SAPControl.cgi] returned message [Service Unavailable]. Http proxy info: Http proxy [PROXY_HOSE:PROXY_PORT] used for host http://localhost:[port]/SAPControl.cgi
com.sap.engine.services.webservices.espbase.client.bindings.exceptions.TransportBindingException: Invalid Response code (503). Server [http://localhost:[port]/SAPControl.cgi] returned message [Service Unavailable]. Http proxy info: Http proxy [PROXY_HOSE:PROXY_PORT] used for host http://localhost:[port]/SAPControl.cgi

The actual exception for the above generic error can be seen in the default trace (/usr/sap/<SID>/Instance<XX>/j2ee/cluster/server<x>/log/default.<x>.trc):

Caused by: com.sap.engine.services.webservices.espbase.client.bindings.exceptions.TransportBindingException: Invalid Response code (404). Server [http://localhost:[port]/SAPControl.cgi] returned message [Not Found]. Http proxy info:  Http proxy PROXY_HOSE:PROXY_PORT] used for host http://localhost:[port]/SAPControl.cgi

Update / Upgrade of NW JAVA with SUM

"HTTP Proxy", javax.xml.ws.WebServiceException, "Invalid Response code (307)", "TEMPORARY REDIRECT", "com.sap.engine.services.webservices.espbase.client.bindings.exceptions.TransportBindingException", "Reason: An error occurred while restarting the server", "com.sap.engine.services.dc.api.deploy.DeployException: [ERROR CODE DPL.DCAPI.1027] DeploymentException." , KBA , BC-JAS-DPL , Deployment , BC-UPG-TLS-TLJ , Upgrade tools for Java , BC-ESI-WS-JAV-CFG , Configuration , Problem