[170702] execution environment
diff --git a/plugins/org.eclipse.jst.server.generic.ui/META-INF/MANIFEST.MF b/plugins/org.eclipse.jst.server.generic.ui/META-INF/MANIFEST.MF
index 420caec..77aa114 100644
--- a/plugins/org.eclipse.jst.server.generic.ui/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.jst.server.generic.ui/META-INF/MANIFEST.MF
@@ -17,3 +17,4 @@
  org.eclipse.wst.server.core;bundle-version="[1.0.102,1.2.0)",
  org.eclipse.ui.forms;bundle-version="[3.2.0,4.0.0)"
 Eclipse-LazyStart: true
+Bundle-RequiredExecutionEnvironment: J2SE-1.4