From 4286acdb2b7e1c4f9de480357c387c8d8c3bc033 Mon Sep 17 00:00:00 2001
From: Jonathan Hsieh <jmhsieh@apache.org>
Date: Wed, 13 Feb 2013 18:22:42 +0000
Subject: [PATCH] HBASE-7436 Improve stack trace info dumped by
 ForeignExceptionSnare#rethrowException

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/hbase-7290@1445800 13f79535-47bb-0310-9956-ffa450edef68
---
 .../hbase/errorhandling/ForeignExceptionDispatcher.java       | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/errorhandling/ForeignExceptionDispatcher.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/errorhandling/ForeignExceptionDispatcher.java
index 441219b7c14..17aceb0ba60 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/errorhandling/ForeignExceptionDispatcher.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/errorhandling/ForeignExceptionDispatcher.java
@@ -87,7 +87,9 @@ public class ForeignExceptionDispatcher implements ForeignExceptionListener, For
   @Override
   public void rethrowException() throws ForeignException {
     if (exception != null) {
-      throw exception;
+      // This gets the stack where this is caused, (instead of where it was deserialized).
+      // This which is much more useful for debugging
+      throw new ForeignException(exception.getSource(), exception.getCause());
     }
   }