diff -r eaa406097d93 -r 18a4438eb690 src/java.base/share/classes/sun/security/provider/PolicyFile.java
--- a/src/java.base/share/classes/sun/security/provider/PolicyFile.java	Wed Dec 06 13:47:35 2017 +0100
+++ b/src/java.base/share/classes/sun/security/provider/PolicyFile.java	Wed Dec 06 14:33:33 2017 +0000
@@ -512,7 +512,8 @@
                         }
                     } catch (Exception e) {
                         if (debug != null) {
-                            debug.println("error reading policy "+e);
+                            debug.println(
+                                "Debug info only. Error reading policy " +e);
                             e.printStackTrace();
                         }
                         // ignore that policy
@@ -559,6 +560,7 @@
             } catch (Exception e) {
                 // ignore, treat it like we have no keystore
                 if (debug != null) {
+                    debug.println("Debug info only. Ignoring exception.");
                     e.printStackTrace();
                 }
             }