diff --git a/pkgs/development/compilers/blackdown/blackdown-i686.nix b/pkgs/development/compilers/blackdown/blackdown-i686.nix
index f15be34fedee..9e4bce399cb5 100644
--- a/pkgs/development/compilers/blackdown/blackdown-i686.nix
+++ b/pkgs/development/compilers/blackdown/blackdown-i686.nix
@@ -7,7 +7,7 @@ assert stdenv.system == "i686-linux";
   dirname = "j2sdk1.4.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/j2sdk-1.4.2-rc1-linux-i586-gcc3.2.bin;
-    md5 = "52ff3a059845ee8487faeaa7b0c157c8";
+    url = ftp://sunsite.dk/mirrors/java-linux/JDK-1.4.2/i386/02/j2sdk-1.4.2-02-linux-i586.bin;
+    md5 = "a65733528562794b7838407084cabd9a";
   };
 }) // {mozillaPlugin = "/jre/plugin/i386/mozilla";}
diff --git a/pkgs/development/compilers/j2sdk/j2sdk1.5-sun-linux.nix b/pkgs/development/compilers/j2sdk/j2sdk1.5-sun-linux.nix
index 8533455d9682..ea570912cb79 100644
--- a/pkgs/development/compilers/j2sdk/j2sdk1.5-sun-linux.nix
+++ b/pkgs/development/compilers/j2sdk/j2sdk1.5-sun-linux.nix
@@ -13,12 +13,12 @@
 assert stdenv.system == "i686-linux";
 
 derivation {
-  name = "j2sdk-1.5.0";
-  filename = "jdk-1_5_0";
-  dirname = "jdk1.5.0";
+  name = "jdk-1.5.0";
+  filename = "jdk-1_5_0_03";
+  dirname = "jdk1.5.0_03";
   system = stdenv.system;
   builder = ./builder.sh;
-  pathname = "/tmp/jdk-1_5_0-linux-i586.bin";
-  md5 = "81d0511feb32e7b7d61f7c07ee0b15e9";
+  pathname = "/tmp/jdk-1_5_0_03-linux-i586.bin";
+  md5 = "bc221641fcfdc9268499001326fc8ebb";
   stdenv = stdenv;
 }
diff --git a/pkgs/development/interpreters/j2re/j2re-sun-linux.nix b/pkgs/development/interpreters/j2re/j2re-sun-linux.nix
index 7ff9a23b8445..b4d072107cb6 100644
--- a/pkgs/development/interpreters/j2re/j2re-sun-linux.nix
+++ b/pkgs/development/interpreters/j2re/j2re-sun-linux.nix
@@ -3,11 +3,11 @@
 assert stdenv.system == "i686-linux";
 
 stdenv.mkDerivation {
-  name    = "j2re-1.4.2";
-  version = "j2re1.4.2_04";
+  name    = "jre-1.5.0";
+  version = "jre1.5.0_02";
   builder = ./builder.sh;
   src = fetchurl {
-      url = http://java.sun.com/webapps/download/AutoDL?BundleId=9562;
-      md5 = "57e31ffc32a2956e6140ceda8aa86e4e";
+      url = http://jdl.sun.com/webapps/download/AutoDL?BundleId=9986;
+      md5 = "1c9b3bb9670df5ebb5587d2bcba73b3c";
     };
 }