From f8caddbebfb8242af49ccebef9740a9c94c79958 Mon Sep 17 00:00:00 2001
From: kohsuke <kohsuke@71c3de6d-444a-0410-be80-ed276b4c234a>
Date: Mon, 15 Nov 2010 23:36:18 +0000
Subject: [PATCH] improved the diagnostics

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@36964 71c3de6d-444a-0410-be80-ed276b4c234a
---
 .../src/main/java/hudson/remoting/FastPipedInputStream.java   | 4 +++-
 .../src/main/java/hudson/remoting/FastPipedOutputStream.java  | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/remoting/src/main/java/hudson/remoting/FastPipedInputStream.java b/remoting/src/main/java/hudson/remoting/FastPipedInputStream.java
index 6a9aa197df..9d55c7efe0 100644
--- a/remoting/src/main/java/hudson/remoting/FastPipedInputStream.java
+++ b/remoting/src/main/java/hudson/remoting/FastPipedInputStream.java
@@ -48,6 +48,8 @@ public class FastPipedInputStream extends InputStream {
     int writeLaps = 0;
     int writePosition = 0;
 
+    private final Throwable allocatedAt = new Throwable();
+    
     /**
      * Creates an unconnected PipedInputStream with a default buffer size.
      */
@@ -78,7 +80,7 @@ public class FastPipedInputStream extends InputStream {
 
     private FastPipedOutputStream source() throws IOException {
         FastPipedOutputStream s = source.get();
-        if (s==null)    throw new IOException("Writer side has already been abandoned");
+        if (s==null)    throw (IOException)new IOException("Writer side has already been abandoned").initCause(allocatedAt);
         return s;
     }
 
diff --git a/remoting/src/main/java/hudson/remoting/FastPipedOutputStream.java b/remoting/src/main/java/hudson/remoting/FastPipedOutputStream.java
index e1b171ca6c..4aafda6d1a 100644
--- a/remoting/src/main/java/hudson/remoting/FastPipedOutputStream.java
+++ b/remoting/src/main/java/hudson/remoting/FastPipedOutputStream.java
@@ -46,6 +46,8 @@ public class FastPipedOutputStream extends OutputStream {
      */
     private long written=0;
 
+    private final Throwable allocatedAt = new Throwable();
+
     /**
      * Creates an unconnected PipedOutputStream.
      */
@@ -75,7 +77,7 @@ public class FastPipedOutputStream extends OutputStream {
 
     private FastPipedInputStream sink() throws IOException {
         FastPipedInputStream s = sink.get();
-        if (s==null)    throw new IOException("Reader side has already been abandoned");
+        if (s==null)    throw (IOException)new IOException("Reader side has already been abandoned").initCause(allocatedAt);
         return s;
     }
 
-- 
GitLab