From 3b585e5a5e5a23b549f2e6fea719556b82592898 Mon Sep 17 00:00:00 2001
From: Simon Willnauer <simonw@apache.org>
Date: Wed, 10 Dec 2014 11:05:38 +0100
Subject: [PATCH] Add more trace logging to gateway translog recovery

---
 .../index/gateway/local/LocalIndexShardGateway.java        | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/elasticsearch/index/gateway/local/LocalIndexShardGateway.java b/src/main/java/org/elasticsearch/index/gateway/local/LocalIndexShardGateway.java
index 8e53a011f72..41a3401bfdc 100644
--- a/src/main/java/org/elasticsearch/index/gateway/local/LocalIndexShardGateway.java
+++ b/src/main/java/org/elasticsearch/index/gateway/local/LocalIndexShardGateway.java
@@ -250,12 +250,13 @@ public class LocalIndexShardGateway extends AbstractIndexShardComponent implemen
 
             final Set<String> typesToUpdate = Sets.newHashSet();
             try {
+                logger.trace("recovering translog file: {} length: {}", recoveringTranslogFile, Files.size(recoveringTranslogFile));
                 TranslogStream stream = TranslogStreams.translogStreamFor(recoveringTranslogFile);
                 try {
                     in = stream.openInput(recoveringTranslogFile);
                 } catch (TruncatedTranslogException e) {
                     // file is empty or header has been half-written and should be ignored
-                    logger.trace("ignoring truncation exception, the translog is either empty or half-written ([{}])", e.getMessage());
+                    logger.trace("ignoring truncation exception, the translog is either empty or half-written", e);
                 }
                 while (true) {
                     if (in == null) {
@@ -269,11 +270,11 @@ public class LocalIndexShardGateway extends AbstractIndexShardComponent implemen
                         operation = stream.read(in);
                     } catch (EOFException e) {
                         // ignore, not properly written the last op
-                        logger.trace("ignoring translog EOF exception, the last operation was not properly written ([{}])", e.getMessage());
+                        logger.trace("ignoring translog EOF exception, the last operation was not properly written", e);
                         break;
                     } catch (IOException e) {
                         // ignore, not properly written last op
-                        logger.trace("ignoring translog IO exception, the last operation was not properly written ([{}])", e.getMessage());
+                        logger.trace("ignoring translog IO exception, the last operation was not properly written", e);
                         break;
                     }
                     try {