| 이해도 | 초보자 |
|---|---|
| 게임버전 (JE) | 관련없음 |
| 게임버전 (BE) | 관련없음 |
onCommand에서 자꾸 null을 반환한다고 로그가 떠서 별걸 다 고쳐봤는데 뭔지 모르겠습니다..
[메인 클래스]
[HelpCommand 클래스]
[config.yml 파일]
서버 로그는 아래처럼 되어있습니다ㅠ
[22:01:32] [Server thread/ERROR]: Error occurred while enabling Teleport v1.0 (Is it up to date?)
java.lang.NullPointerException: null
at java.util.Objects.requireNonNull(Objects.java:208) ~[?:?]
at org.example.code.teleport.Teleport.onEnable(Teleport.java:18) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:266) ~[spigot-api-1.20.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:342) ~[spigot-api-1.20.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:480) ~[spigot-api-1.20.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_20_R3.CraftServer.enablePlugin(CraftServer.java:539) ~[spigot-1.20.4-R0.1-SNAPSHOT.jar:4016-Spigot-864e4ac-771182f]
at org.bukkit.craftbukkit.v1_20_R3.CraftServer.enablePlugins(CraftServer.java:453) ~[spigot-1.20.4-R0.1-SNAPSHOT.jar:4016-Spigot-864e4ac-771182f]
at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:623) ~[spigot-1.20.4-R0.1-SNAPSHOT.jar:4016-Spigot-864e4ac-771182f]
at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:409) ~[spigot-1.20.4-R0.1-SNAPSHOT.jar:4016-Spigot-864e4ac-771182f]
at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:250) ~[spigot-1.20.4-R0.1-SNAPSHOT.jar:4016-Spigot-864e4ac-771182f]
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1000) ~[spigot-1.20.4-R0.1-SNAPSHOT.jar:4016-Spigot-864e4ac-771182f]
at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:304) ~[spigot-1.20.4-R0.1-SNAPSHOT.jar:4016-Spigot-864e4ac-771182f]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
로그 보시면 null값을 반환한다고 하는데.. 이게.. 뭘 고쳐야할지...ㅠ
qsef1256
2024.03.15명령어는 config.yml이 아니라 plugin.yml에 정의되어야 합니다.
망망대해
2024.03.15후에 uuid 추가할 거 config.yml를 미리 만들어 놓다가 plugin.yml에 적어야하는거 잊어버린 거 같아요ㅠ 감사합니다..ㅠㅠ
NoEul
2024.03.16this를 붙이세욘instanceof패턴 매칭 #연산자를 사용해 조건식을 작성해 보세욘Object o = ... if (o instanceof String s) // s in scope for this substatement; no cast of o needed System.out.println(s.replace('*', '_')); else // s not in scope for this substatement (hence, error) System.out.println(s); // 혹은 void test(Object o) { if (!(o instanceof String s)) { throw new IllegalArgumentException(); } // This point is only reachable if the pattern match succeeded // Thus, s is in scope for the rest of the block ... System.out.println(s.repeat(5)); ... }class Story1 { public static void main(String[] args) { String story = """ "When I use a word," Humpty Dumpty said, in rather a scornful tone, "it means just what I choose it to mean - neither more nor less." "The question is," said Alice, "whether you can make words mean so many different things." "The question is," said Humpty Dumpty, "which is to be master - that's all." """; } }false값을 return하세욘