From 9955ef563e102cee36dee4e006ba20a63ff5f282 Mon Sep 17 00:00:00 2001
From: feijermu <seedeed@qq.com>
Date: Mon, 6 Jul 2020 16:19:22 +0800
Subject: [PATCH] Add detailed error message corresponding to the
 IndexOutOfBoundsException while calling getEntry(...) (#10386)

Motivation:
`getEntry(...)` may throw an IndexOutOfBoundsException without any error messages.


Modification:

Add detailed error message corresponding to the IndexOutOfBoundsException while calling `getEntry(...)` in HpackDynamicTable.java.

Result:

Easier to debug
---
 .../java/io/netty/handler/codec/http2/HpackDynamicTable.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/codec-http2/src/main/java/io/netty/handler/codec/http2/HpackDynamicTable.java b/codec-http2/src/main/java/io/netty/handler/codec/http2/HpackDynamicTable.java
index 6fda10d47e..f45d26cb32 100644
--- a/codec-http2/src/main/java/io/netty/handler/codec/http2/HpackDynamicTable.java
+++ b/codec-http2/src/main/java/io/netty/handler/codec/http2/HpackDynamicTable.java
@@ -83,7 +83,7 @@ final class HpackDynamicTable {
      */
     public HpackHeaderField getEntry(int index) {
         if (index <= 0 || index > length()) {
-            throw new IndexOutOfBoundsException();
+            throw new IndexOutOfBoundsException("Index " + index + " out of bounds for length " + length());
         }
         int i = head - index;
         if (i < 0) {