From dd43cf9437e3ac19b4591e5bfeacc25b5e1dce77 Mon Sep 17 00:00:00 2001
From: horizonzy <1060026287@qq.com>
Date: Mon, 18 Jan 2021 15:50:26 +0800
Subject: [PATCH] Enhance message when packet's length over limit.

---
 .../src/main/java/org/apache/zookeeper/ClientCnxnSocket.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zookeeper-server/src/main/java/org/apache/zookeeper/ClientCnxnSocket.java b/zookeeper-server/src/main/java/org/apache/zookeeper/ClientCnxnSocket.java
index 315d81feb8b..6141d51e855 100644
--- a/zookeeper-server/src/main/java/org/apache/zookeeper/ClientCnxnSocket.java
+++ b/zookeeper-server/src/main/java/org/apache/zookeeper/ClientCnxnSocket.java
@@ -118,7 +118,7 @@ void updateLastSendAndHeard() {
     void readLength() throws IOException {
         int len = incomingBuffer.getInt();
         if (len < 0 || len >= packetLen) {
-            throw new IOException("Packet len " + len + " is out of range!");
+            throw new IOException("Packet len " + len + " is out of range " + packetLen + "!");
         }
         incomingBuffer = ByteBuffer.allocate(len);
     }