--- old/src/solaris/native/java/util/TimeZone_md.c	Thu May 10 10:55:41 2012
+++ new/src/solaris/native/java/util/TimeZone_md.c	Thu May 10 10:55:39 2012
@@ -651,7 +651,7 @@
     }
 
 #ifdef __solaris__
-    if (strcmp(tz, "localtime") == 0) {
+    if (tz != NULL && strcmp(tz, "localtime") == 0) {
         tz = getSolarisDefaultZoneID();
         freetz = tz;
     }