Reduce log spew.

Change-Id: I69c9d7227d6cb91eac3b9f18d9edaa121c86ad0f

1 files changed, 12 insertions, 0 deletions

diff --git a/core/java/android/util/Log.java b/core/java/android/util/Log.java
index 38903ab..1c3709f 100644
--- a/core/java/android/util/Log.java
+++ b/core/java/android/util/Log.java
@@ -20,6 +20,7 @@ import com.android.internal.os.RuntimeInit;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.net.UnknownHostException;
 
 /**
  * API for sending log output.
@@ -302,6 +303,17 @@ public final class Log {
         if (tr == null) {
             return "";
         }
+
+        // This is to reduce the amount of log spew that apps do in the non-error
+        // condition of the network being unavailable.
+        Throwable t = tr;
+        while (t != null) {
+            if (t instanceof UnknownHostException) {
+                return "";
+            }
+            t = t.getCause();
+        }
+
         StringWriter sw = new StringWriter();
         PrintWriter pw = new PrintWriter(sw);
         tr.printStackTrace(pw);