From 048fd903594cd00114cb8ca6b61b19c92936bce8 Mon Sep 17 00:00:00 2001
From: IkeVoodoo <55694349+IkeVoodoo@users.noreply.github.com>
Date: Wed, 17 Aug 2022 06:54:16 +0200
Subject: [PATCH] Improving incorrect namespace/name error (#839)

* Improving incorrect namespace/name error

* Update MinecraftChannelIdentifier.java
---
 .../api/proxy/messages/MinecraftChannelIdentifier.java       | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/api/src/main/java/com/velocitypowered/api/proxy/messages/MinecraftChannelIdentifier.java b/api/src/main/java/com/velocitypowered/api/proxy/messages/MinecraftChannelIdentifier.java
index cb72700a..a3ab5332 100644
--- a/api/src/main/java/com/velocitypowered/api/proxy/messages/MinecraftChannelIdentifier.java
+++ b/api/src/main/java/com/velocitypowered/api/proxy/messages/MinecraftChannelIdentifier.java
@@ -52,9 +52,10 @@ public final class MinecraftChannelIdentifier implements ChannelIdentifier {
     Preconditions.checkArgument(!Strings.isNullOrEmpty(namespace), "namespace is null or empty");
     Preconditions.checkArgument(name != null, "namespace is null or empty");
     Preconditions.checkArgument(VALID_IDENTIFIER_REGEX.matcher(namespace).matches(),
-        "namespace is not valid");
+        "namespace is not valid, must match: %s got %s", VALID_IDENTIFIER_REGEX.toString(), namespace);
     Preconditions
-        .checkArgument(VALID_IDENTIFIER_REGEX.matcher(name).matches(), "name is not valid");
+        .checkArgument(VALID_IDENTIFIER_REGEX.matcher(name).matches(),
+          "name is not valid, must match: %s got %s", VALID_IDENTIFIER_REGEX.toString(), name);
     return new MinecraftChannelIdentifier(namespace, name);
   }