[355364] when hostname is blank the Next button of the wizard must be disabled
diff --git a/plugins/org.eclipse.wst.server.ui/serverui/org/eclipse/wst/server/ui/internal/wizard/fragment/NewServerWizardFragment.java b/plugins/org.eclipse.wst.server.ui/serverui/org/eclipse/wst/server/ui/internal/wizard/fragment/NewServerWizardFragment.java
index 6681c50..5747e58 100644
--- a/plugins/org.eclipse.wst.server.ui/serverui/org/eclipse/wst/server/ui/internal/wizard/fragment/NewServerWizardFragment.java
+++ b/plugins/org.eclipse.wst.server.ui/serverui/org/eclipse/wst/server/ui/internal/wizard/fragment/NewServerWizardFragment.java
@@ -165,7 +165,9 @@
 					return false;
 				}
 				
-				if(!supportsRemote && !SocketUtil.isLocalhost(manualComp.getCurrentHostname())){
+				if (manualComp.getCurrentHostname().trim().length() == 0){
+					isComplete = false;
+				} else if(!supportsRemote && !SocketUtil.isLocalhost(manualComp.getCurrentHostname())){
 					isComplete = false;
 				} else if (!manualComp.canSupportModule() ){
 					isComplete = false;