diff -r 1e637defdda6 -r c19157304e08 src/os/windows/vm/os_windows.cpp
--- a/src/os/windows/vm/os_windows.cpp	Wed Dec 22 11:24:21 2010 -0500
+++ b/src/os/windows/vm/os_windows.cpp	Wed Dec 22 11:52:12 2010 -0500
@@ -1711,14 +1711,11 @@
   buf[0] = '\0';
   if (strcmp(Arguments::sun_java_launcher(), "gamma") == 0) {
      // Support for the gamma launcher. Check for an
-     // ALT_JAVA_HOME or JAVA_HOME environment variable
+     // JAVA_HOME environment variable
      // and fix up the path so it looks like
      // libjvm.so is installed there (append a fake suffix
      // hotspot/libjvm.so).
-     char* java_home_var = ::getenv("ALT_JAVA_HOME");
-     if (java_home_var == NULL) {
-        java_home_var = ::getenv("JAVA_HOME");
-     }
+     char* java_home_var = ::getenv("JAVA_HOME");
      if (java_home_var != NULL && java_home_var[0] != 0) {
 
         strncpy(buf, java_home_var, buflen);