diff --git a/guacamole-common/src/main/java/net/sourceforge/guacamole/servlet/GuacamoleHTTPTunnelServlet.java b/guacamole-common/src/main/java/net/sourceforge/guacamole/servlet/GuacamoleHTTPTunnelServlet.java
index e652f154d..7c790b200 100644
--- a/guacamole-common/src/main/java/net/sourceforge/guacamole/servlet/GuacamoleHTTPTunnelServlet.java
+++ b/guacamole-common/src/main/java/net/sourceforge/guacamole/servlet/GuacamoleHTTPTunnelServlet.java
@@ -292,11 +292,13 @@ public abstract class GuacamoleHTTPTunnelServlet extends HttpServlet {
         }
         catch (IOException e) {
 
+            // Log typically frequent I/O error if desired
+            logger.debug("Error writing to servlet output stream", e);
+            
             // Detach and close
             session.detachTunnel(tunnel);
             tunnel.close();
                 
-            throw new GuacamoleServerException("I/O error writing to servlet output stream.", e);
         }
         finally {
             tunnel.releaseReader();