diff --git a/eclipse-fix-dropins.patch b/eclipse-fix-dropins.patch
new file mode 100644
index 0000000..159445b
--- /dev/null
+++ b/eclipse-fix-dropins.patch
@@ -0,0 +1,46 @@
+--- rt.equinox.p2/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/SimpleProfileRegistry.java
++++ rt.equinox.p2/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/SimpleProfileRegistry.java
+@@ -7,6 +7,7 @@
+  * Contributors: 
+  *     IBM Corporation - initial API and implementation
+  *     Ericsson AB - ongoing development
++ *     Red Hat, Inc. - Bug 408138
+  ******************************************************************************/
+ package org.eclipse.equinox.internal.p2.engine;
+ 
+@@ -38,6 +39,7 @@ import org.xml.sax.SAXException;
+ 
+ public class SimpleProfileRegistry implements IProfileRegistry, IAgentService {
+ 
++	private static final String PROP_IGNORE_USER_CONFIGURATION = "eclipse.ignoreUserConfiguration"; //$NON-NLS-1$
+ 	private static final String SIMPLE_PROFILE_REGISTRY_INTERNAL = "_simpleProfileRegistry_internal_"; //$NON-NLS-1$
+ 	private static final String PROFILE_REGISTRY = "profile registry"; //$NON-NLS-1$
+ 	private static final String PROFILE_PROPERTIES_FILE = "state.properties"; //$NON-NLS-1$
+@@ -263,6 +265,14 @@ public class SimpleProfileRegistry implements IProfileRegistry, IAgentService {
+ 					internalSetProfileStateProperty(profile, profile.getTimestamp(), IProfile.STATE_PROP_SHARED_INSTALL, IProfile.STATE_SHARED_INSTALL_VALUE_NEW);
+ 					internalSetProfileStateProperty(profile, profile.getTimestamp(), SIMPLE_PROFILE_REGISTRY_INTERNAL + getBaseTimestamp(profile.getProfileId()), getBaseTimestamp(id));
+ 					agent.registerService(SERVICE_SHARED_INSTALL_NEW_TIMESTAMP, Long.toString(profile.getTimestamp()));
++
++					// this looks like a hack, but:
++					// (1) SimpleConfigurationImpl keeps returning master configuration as long as the property is set
++					// (2) SimpleConfigurationImpl sets the propery after it drops user configuration
++					// therefore dropins reconciliation can't load dropins plugins installed into user configuration
++					// after the user configuration has been dropped.
++					// It is necessary to unset this property.
++					System.setProperty(PROP_IGNORE_USER_CONFIGURATION, "processed_and_unset"); //$NON-NLS-1$ //$NON-NLS-2$
+ 				} else {
+ 					//This is the first time we create the shared profile. Tag it as such and also remember the timestamp of the base
+ 					internalSetProfileStateProperty(profile, profile.getTimestamp(), IProfile.STATE_PROP_SHARED_INSTALL, IProfile.STATE_SHARED_INSTALL_VALUE_INITIAL);
+@@ -279,6 +289,12 @@ public class SimpleProfileRegistry implements IProfileRegistry, IAgentService {
+ 		if (agent.getService(SERVICE_SHARED_INSTALL_NEW_TIMESTAMP) != null)
+ 			return false;
+ 
++		// if the property is set by OSGI, and there is no new timestamp (because of the previous condition)
++		// ignore current profile. This will happen only once, because SERVICE_SHARED_INSTALL_NEW_TIMESTAMP
++		// is set during profile reset.
++		if ("true".equals(System.getProperty(PROP_IGNORE_USER_CONFIGURATION))) //$NON-NLS-1$ //$NON-NLS-2$
++			return true;
++
+ 		String baseTimestamp = getBaseTimestamp(profile.getProfileId());
+ 		if (baseTimestamp == null)
+ 			return false;
diff --git a/eclipse.spec b/eclipse.spec
index 34ca5d7..f1f4b43 100644
--- a/eclipse.spec
+++ b/eclipse.spec
@@ -52,7 +52,7 @@ fi;
 Summary:        An open, extensible IDE
 Name:           %{?scl_prefix}eclipse
 Version:        %{eclipse_version}
-Release:        0.46.git4bccf2%{?dist}
+Release:        0.48.git4bccf2%{?dist}
 License:        EPL
 Group:          Development/Tools
 URL:            http://www.eclipse.org/
@@ -120,6 +120,8 @@ Patch23:		%{pkg_name}-jetty-9.patch
 
 Patch25:		%{pkg_name}-fix-startup-class-refresh.patch
 
+Patch26:		%{pkg_name}-fix-dropins.patch
+
 BuildRequires: ant >= 1.8.3
 BuildRequires: rsync
 BuildRequires: jpackage-utils >= 0:1.5, make, gcc
@@ -339,6 +341,7 @@ tar --strip-components=1 -xf %{SOURCE1}
 %{!?scl:%patch23}
 #%patch24
 %patch25
+%patch26
 
 #Disable as many things as possible to make the build faster. We care only for Eclipse.
 %pom_disable_module platform.sdk eclipse.platform.releng.tychoeclipsebuilder
@@ -992,6 +995,13 @@ fi
 %{_libdir}/%{pkg_name}/plugins/org.eclipse.osgi.util_*
 
 %changelog
+* Thu May 16 2013 Krzysztof Daniel <kdanie@redhat.com>  1:4.3.0-0.48.git4bccf2
+- Incorporate patch for dropins issue (Bug 408138)
+- Revert previous change.
+
+* Wed May 15 2013 Krzysztof Daniel <kdaniel@redhat.com> 1:4.3.0-0.47.git4bccf2
+- Revert patches for startup issues as they cause more harm than good.
+
 * Tue May 14 2013 Krzysztof Daniel <kdaniel@redhat.com> 1:4.3.0-0.46.git4bccf2
 - Rebuild to pick up icu4j 50.1.1.