After upgrading to java 1.7 update 51, users are not able to launch our
product which is in standalone mode (Not a webstart).
 
java.lang.NullPointerException
   at com.sun.deploy.security.DeployManifestChecker.printWarningsIfRequired(Unknown Source)
   at com.sun.deploy.security.TrustDeciderDialog.doShowDialog(Unknown Source)
   at com.sun.deploy.security.TrustDeciderDialog.showDialog(Unknown Source)
   at com.sun.deploy.security.TrustDeciderDialog.showDialog(Unknown Source)

NPE when using HttpUrlConnection with Java 1.7.0_51

Java seems to be unnecessarily calling the method
"com.sun.deploy.security.DeployManifestChecker.printWarningsIfRequired" for
standalone programs.