# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1331918730 -3600
# Node ID 3d91d5d7b166f9e960e8bd15af64c4842a9742a1
# Parent  54819cdcca7f4fd11825da0b1ae211cf3954b4e6
fixed segv encountered while printing system property with a NULL value

diff -r 54819cdcca7f -r 3d91d5d7b166 src/share/vm/utilities/ostream.cpp
--- a/src/share/vm/utilities/ostream.cpp	Fri Mar 16 14:48:15 2012 +0100
+++ b/src/share/vm/utilities/ostream.cpp	Fri Mar 16 18:25:30 2012 +0100
@@ -616,9 +616,9 @@
       // Print it as a java-style property list.
       // System properties don't generally contain newlines, so don't bother with unparsing.
       for (SystemProperty* p = Arguments::system_properties(); p != NULL; p = p->next()) {
-        xs->text()->print(p->key());
+        xs->text()->print(p->key() ? p->key() : "");
         xs->text()->print("=");
-        xs->text()->print_cr(p->value());
+        xs->text()->print_cr(p->value() ? p->value() : "");
       }
       xs->tail("properties");
     }