diff --git rt.equinox.p2/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/EngineActivator.java rt.equinox.p2/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/EngineActivator.java
index 5fc0e73..ed7e4fa 100644
--- rt.equinox.p2/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/EngineActivator.java
+++ rt.equinox.p2/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/EngineActivator.java
@@ -144,7 +144,20 @@ public class EngineActivator implements BundleActivator {
 						}
 						continue;
 					}
-					File[] listFiles = extension.listFiles();
+
+					// Support the additional 'eclipse' directory if it exists.
+					File[] extensionFiles = extension.listFiles(new FilenameFilter() {
+						public boolean accept(File dir, String name) {
+							return name.equals("eclipse");
+						}
+					});
+
+					File[] listFiles;
+					if (extensionFiles.length == 1) {
+						listFiles = extensionFiles[0].listFiles();
+					} else {
+						listFiles = extension.listFiles();
+					}
 					// new magic - multiple info files, f.e.
 					//   egit.info (git feature)
 					//   cdt.link (properties file containing link=path) to other info file
diff --git rt.equinox.p2/bundles/org.eclipse.equinox.simpleconfigurator/src/org/eclipse/equinox/internal/simpleconfigurator/utils/SimpleConfiguratorUtils.java rt.equinox.p2/bundles/org.eclipse.equinox.simpleconfigurator/src/org/eclipse/equinox/internal/simpleconfigurator/utils/SimpleConfiguratorUtils.java
index 12e4d89..77945ef 100644
--- rt.equinox.p2/bundles/org.eclipse.equinox.simpleconfigurator/src/org/eclipse/equinox/internal/simpleconfigurator/utils/SimpleConfiguratorUtils.java
+++ rt.equinox.p2/bundles/org.eclipse.equinox.simpleconfigurator/src/org/eclipse/equinox/internal/simpleconfigurator/utils/SimpleConfiguratorUtils.java
@@ -156,7 +156,20 @@ public class SimpleConfiguratorUtils {
 						}
 						continue;
 					}
-					File[] listFiles = extension.listFiles();
+
+					// Support the additional 'eclipse' directory if it exists.
+					File[] extensionFiles = extension.listFiles(new FilenameFilter() {
+						public boolean accept(File dir, String name) {
+							return name.equals("eclipse");
+						}
+					});
+
+					File[] listFiles;
+					if (extensionFiles.length == 1) {
+						listFiles = extensionFiles[0].listFiles();
+					} else {
+						listFiles = extension.listFiles();
+					}
 					// new magic - multiple info files, f.e.
 					//   egit.info (git feature)
 					//   cdt.link (properties file containing link=path) to other info file