From 64d9436419c332fec8e754723905d1a8e303079c Mon Sep 17 00:00:00 2001
From: zhao <1040110848@qq.com>
Date: Sun, 21 Jun 2020 16:18:57 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E8=B8=A2=E4=BA=BA=E6=97=B6?=
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查询这段时间里，玩家可能退出了服务器，可能在banned-players.json里面，或者不在whitelist.json里。原来直接调用kick，导致这几种情况下产生空指针异常。现在在踢出之前对玩家是否在线进行一个检测，如果玩家在线才踢出。
---
 .../studio/UnionBanClientSpigot/KickPlayerTask.java    | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/main/java/cn/cnklp/studio/UnionBanClientSpigot/KickPlayerTask.java b/src/main/java/cn/cnklp/studio/UnionBanClientSpigot/KickPlayerTask.java
index c572bb1..2cdbff4 100644
--- a/src/main/java/cn/cnklp/studio/UnionBanClientSpigot/KickPlayerTask.java
+++ b/src/main/java/cn/cnklp/studio/UnionBanClientSpigot/KickPlayerTask.java
@@ -1,10 +1,9 @@
 package cn.cnklp.studio.UnionBanClientSpigot;
 
 import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
 import org.bukkit.scheduler.BukkitRunnable;
 
-import java.util.Objects;
-
 public class KickPlayerTask extends BukkitRunnable {
     private final String username;
     private final ClientPlugin plugin;
@@ -15,6 +14,11 @@ public class KickPlayerTask extends BukkitRunnable {
     }
 
     public void run() {
-        Objects.requireNonNull(Bukkit.getPlayer(username)).kickPlayer("You are in the UnionBan list!");
+        Player player = Bukkit.getPlayer(username);
+        if (player == null) {
+            plugin.getLogger().info("Player " + username + " is not in the server.");
+        } else {
+            player.kickPlayer("You are in the UnionBan list!");
+        }
     }
 }