title: Jenkins gives me blank page
body: <p>I am getting this error when i start jenkins, which I believe is causing the jenkins to not work.  Jenkins page comes up blank. I think the scm-sync-configuration is causing this to happen.  It there anyway to workaround this or disable this plugin?</p>
  
  <pre><code>Running from: /Applications/Jenkins/jenkins.war
  webroot: $user.home/.jenkins
  Feb 08, 2016 12:30:13 PM winstone.Logger logInternal
  INFO: Beginning extraction from war file
  Feb 08, 2016 12:30:13 PM org.eclipse.jetty.util.log.JavaUtilLog info
  INFO: jetty-winstone-2.9
  Feb 08, 2016 12:30:14 PM org.eclipse.jetty.util.log.JavaUtilLog info
  INFO: NO JSP Support for , did not find org.apache.jasper.servlet.JspServlet
  Jenkins home directory: /Users/sss/.jenkins found at: $user.home/.jenkins
  Feb 08, 2016 12:30:16 PM org.eclipse.jetty.util.log.JavaUtilLog info
  INFO: Started SelectChannelConnector@0.0.0.0:8080
  Feb 08, 2016 12:30:16 PM winstone.Logger logInternal
  INFO: Winstone Servlet Engine v2.0 running: controlPort=disabled
  Feb 08, 2016 12:30:16 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Started initialization
  Feb 08, 2016 12:30:16 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Listed all plugins
  Feb 08, 2016 12:30:17 PM hudson.plugins.scm_sync_configuration.SCMManipulator scmConfigurationSettledUp
  INFO: Creating scmRepository connection data ..
  Feb 08, 2016 12:30:17 PM hudson.plugins.scm_sync_configuration.scms.ScmSyncSubversionSCM extractScmCredentials
  INFO: Extracting SVN Credentials for url : https://svn.aaa.com/
  Feb 08, 2016 12:30:17 PM jenkins.InitReactorRunner$1 onTaskFailed
  SEVERE: Failed Loading plugin scm-sync-configuration
  java.io.IOException: Failed to initialize
      at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:441)
      at hudson.PluginManager$2$1$1.run(PluginManager.java:384)
      at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
      at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
      at jenkins.model.Jenkins$8.runTask(Jenkins.java:913)
      at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
      at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      at java.lang.Thread.run(Thread.java:745)
  Caused by: java.lang.NullPointerException
      at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(UnsafeFieldAccessorImpl.java:57)
      at sun.reflect.UnsafeQualifiedObjectFieldAccessorImpl.get(UnsafeQualifiedObjectFieldAccessorImpl.java:38)
      at java.lang.reflect.Field.get(Field.java:393)
      at hudson.plugins.scm_sync_configuration.scms.ScmSyncSubversionSCM.extractScmCredentials(ScmSyncSubversionSCM.java:59)
      at hudson.plugins.scm_sync_configuration.scms.SCM.getConfiguredRepository(SCM.java:66)
      at hudson.plugins.scm_sync_configuration.SCMManipulator.scmConfigurationSettledUp(SCMManipulator.java:57)
      at hudson.plugins.scm_sync_configuration.ScmSyncConfigurationBusiness.initializeRepository(ScmSyncConfigurationBusiness.java:72)
      at hudson.plugins.scm_sync_configuration.ScmSyncConfigurationBusiness.init(ScmSyncConfigurationBusiness.java:67)
      at hudson.plugins.scm_sync_configuration.ScmSyncConfigurationPlugin.initialInit(ScmSyncConfigurationPlugin.java:174)
      at hudson.plugins.scm_sync_configuration.ScmSyncConfigurationPlugin.start(ScmSyncConfigurationPlugin.java:157)
      at hudson.ClassicPluginStrategy.startPlugin(ClassicPluginStrategy.java:449)
      at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:438)
      ... 9 more
  Feb 08, 2016 12:30:17 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Prepared all plugins
  Feb 08, 2016 12:30:17 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Started all plugins
  Feb 08, 2016 12:30:17 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Augmented all extensions
  Feb 08, 2016 12:30:20 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Loaded all jobs
  Feb 08, 2016 12:30:20 PM hudson.model.AsyncPeriodicWork$1 run
  INFO: Started Download metadata
  Feb 08, 2016 12:30:20 PM hudson.model.AsyncPeriodicWork$1 run
  INFO: Finished Download metadata. 2 ms
  Feb 08, 2016 12:30:21 PM org.jenkinsci.main.modules.sshd.SSHD start
  INFO: Started SSHD at port 49295
  Feb 08, 2016 12:30:21 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Completed initialization
  Feb 08, 2016 12:30:21 PM hudson.UDPBroadcastThread run
  INFO: Cannot listen to UDP port 33,848, skipping: java.net.SocketException: Can't assign requested address
  Feb 08, 2016 12:30:21 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Started initialization
  Feb 08, 2016 12:30:21 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Listed all plugins
  Feb 08, 2016 12:30:21 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Prepared all plugins
  Feb 08, 2016 12:30:21 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Started all plugins
  Feb 08, 2016 12:30:21 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Augmented all extensions
  Feb 08, 2016 12:30:21 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Loaded all jobs
  Feb 08, 2016 12:30:21 PM jenkins.InitReactorRunner$1 onAttained
  INFO: Completed initialization
  Feb 08, 2016 12:30:21 PM hudson.WebAppMain$3 run
  INFO: Jenkins is fully up and running
  </code></pre>