title: webMethods Integration Server is getting shutdown just after restart
body: <p>I am trying to restart webMethods Integration Server by running <code>server.sh</code> file. In server log I can see just after restart, it  is getting shut down. Below is part of server log for which I think causing this error. How to solve this</p>
  
  <pre><code>2016-04-30 01:39:21:752 EDT [CommonLib.MWS.0002I] No registered exception delegate
  2016-04-30 01:39:21:976 EDT [CommonLib.MWS.0002W] Unable to load logger from: com.webmethods.sc.mws.CDSJournalLogger
  2016-04-30 01:39:21:993 EDT [ISS.0024.0012I] Central User Management initialized successfully.
  2016-04-30 01:39:22:236 EDT [ISS.0014.0054C] Error occurred while initializing server: com.wm.util.coder.InvalidDatatypeException: [ISC.0076.9009] Root element is null at com.wm.util.coder.XMLCoder.decode(XMLCoder.java:280) at com.wm.util.coder.Coder.readFromFile(Coder.java:149) at com.wm.app.b2b.server.ACLManager.loadGenericAclMap(ACLManager.java:684)      at com.wm.app.b2b.server.ACLManager.loadWriteAcl(ACLManager.java:1679)  at com.wm.app.b2b.server.ACLManager.init(ACLManager.java:124)   at com.wm.app.b2b.server.Server.run(Server.java:350)
  2016-04-30 01:39:23:240 EDT [CommonLib.MWS.0002I] MWS Shutdown Hook Shutting down...
  2016-04-30 01:39:23:240 EDT [CommonLib.MWS.0002I] java.lang.Exception: SHUTDOWN
          at com.webmethods.portal.system.PortalSystem.shutdown(PortalSystem.java:912)
          at com.webmethods.portal.system.PortalSystem$1.run(PortalSystem.java:887)
  
  2016-04-30 01:39:23:241 EDT [CommonLib.MWS.0002I] Shutting down components of: PortalServer
  2016-04-30 01:39:23:241 EDT [CommonLib.MWS.0002I] Shutting down components of: postInit
  2016-04-30 01:39:23:241 EDT [CommonLib.MWS.0002I] Shutting down components of: bizPolicy
  2016-04-30 01:39:23:241 EDT [CommonLib.MWS.0002I] Shutting down components of: command
  2016-04-30 01:39:23:247 EDT [CommonLib.MWS.0002I] Shutting down components of: bizPolicy
  2016-04-30 01:39:23:247 EDT [CommonLib.MWS.0002I] Shutting down components of: mechanics
  2016-04-30 01:39:23:247 EDT [CommonLib.MWS.0002I] Shutting down components of: mechanics
  2016-04-30 01:39:23:252 EDT [CommonLib.MWS.0002I] Shutting down components of: CoreServices
  Removing existing subscription: 15482016-04-30 01:39:23:269 EDT [CommonLib.MWS.0002I] Shutting down components of: portlet
  2016-04-30 01:39:23:271 EDT [CommonLib.MWS.0002I] Shutting down components of: DataPhaseOne
  2016-04-30 01:39:23:271 EDT [CommonLib.MWS.0002I] Shutting down components of: meta
  2016-04-30 01:39:23:271 EDT [CommonLib.MWS.0002I] Shutting down components of: default
  2016-04-30 01:39:23:272 EDT [CommonLib.MWS.0002I] Shutting down components of: cache
  2016-04-30 01:39:23:274 EDT [CommonLib.MWS.0002I] JMSProvider.onReconnect entering for queues
  2016-04-30 01:39:23:280 EDT [CommonLib.MWS.0002I] Shutting down components of: miePhaseTwo
  2016-04-30 01:39:23:280 EDT [CommonLib.MWS.0002I] Shutting down components of: global
  2016-04-30 01:39:23:281 EDT [CommonLib.MWS.0002I] Shutting down components of: cluster
  2016-04-30 01:39:23:281 EDT [CommonLib.MWS.0002I] Shutting down components of: miePhaseOne
  2016-04-30 01:39:23:281 EDT [CommonLib.MWS.0002I] Stopped sending JDK log messages to Log4j
  </code></pre>