diff --git a/eclipse.spec b/eclipse.spec
index 7d5953b..53d066d 100644
--- a/eclipse.spec
+++ b/eclipse.spec
@@ -27,7 +27,7 @@ Epoch:  1
 Summary:        An open, extensible IDE
 Name:           eclipse
 Version:        %{eclipse_majmin}.%{eclipse_micro}
-Release:        3%{?dist}
+Release:        4%{?dist}
 License:        EPL
 Group:          Text Editors/Integrated Development Environments (IDE)
 URL:            http://www.eclipse.org/
@@ -503,6 +503,8 @@ echo "-XX:CompileCommand=exclude,org/eclipse/cdt/internal/core/dom/parser/cpp/se
 echo "-XX:CompileCommand=exclude,org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage,addBinding" >> $RPM_BUILD_ROOT/%{_sysconfdir}/eclipse.ini
 echo "-XX:CompileCommand=exclude,org/python/pydev/editor/codecompletion/revisited/PythonPathHelper,isValidSourceFile" >> $RPM_BUILD_ROOT/%{_sysconfdir}/eclipse.ini
 echo "-XX:CompileCommand=exclude,org/python/pydev/ui/filetypes/FileTypesPreferencesPage,getDottedValidSourceFiles" >> $RPM_BUILD_ROOT/%{_sysconfdir}/eclipse.ini
+# Temporary fix to work around bug: https://bugzilla.redhat.com/show_bug.cgi?id=647737
+echo "-XX:-UseCompressedOops" >> $RPM_BUILD_ROOT/%{_sysconfdir}/eclipse.ini
 
 mkdir -p $RPM_BUILD_ROOT%{_libdir}/%{name}/links
 # FIXME:  We can probably get rid of the links file when we ensure all
@@ -964,6 +966,9 @@ fi
 #%{_libdir}/%{name}/configuration/org.eclipse.equinox.source
 
 %changelog
+* Wed Nov 10 2010 Jeff Johnston <jjohnstn@redhat.com> 1:3.6.1-4
+- Work around for openjdk bug#647737.
+
 * Mon Nov 8 2010 Alexander Kurtakov <akurtako@redhat.com> 1:3.6.1-3
 - Add missing Requires on tomcat5-jsp-api (bug#650145).