From 78423ca29290529e533b700843ae13ace3d3eb2c Mon Sep 17 00:00:00 2001
From: Oleg Nenashev <o.v.nenashev@gmail.com>
Date: Thu, 31 Jan 2019 01:47:50 +0100
Subject: [PATCH] [JENKINS-47896] - Add some diagnostics for the failing
 channel comparison in FilePath

---
 core/src/main/java/hudson/FilePath.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/hudson/FilePath.java b/core/src/main/java/hudson/FilePath.java
index 9cb3835dc9..5a02e2251e 100644
--- a/core/src/main/java/hudson/FilePath.java
+++ b/core/src/main/java/hudson/FilePath.java
@@ -2988,7 +2988,7 @@ public final class FilePath implements SerializableOnlyOverRemoting {
     private void writeObject(ObjectOutputStream oos) throws IOException {
         Channel target = getChannelForSerialization();
         if(channel!=target) {
-            throw new IllegalStateException("Can't send a remote FilePath to a different remote channel");
+            throw new IllegalStateException("Can't send a remote FilePath to a different remote channel (current=" + channel + ", target=" + target + ")");
         }
 
         oos.defaultWriteObject();