Spoiler: Error Code (Text): [21:26:49 ERROR]: Error occurred while enabling sEssentials v1.0 (Is it up to date?) java.lang.NoClassDefFoundError: com/mongodb/ConnectionString at de.sEssentials.Managers.MongoManager.connect(MongoManager.java:34) ~[?:?] at de.sEssentials.main.Main.onEnable(Main.java:35) ~[?:?] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[spigot.jar:git-Spigot-2086bb0-8cc5a7e] at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337) [spigot.jar:git-Spigot-2086bb0-8cc5a7e] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:403) [spigot.jar:git-Spigot-2086bb0-8cc5a7e] at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:381) [spigot.jar:git-Spigot-2086bb0-8cc5a7e] at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:330) [spigot.jar:git-Spigot-2086bb0-8cc5a7e] at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:422) [spigot.jar:git-Spigot-2086bb0-8cc5a7e] at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:383) [spigot.jar:git-Spigot-2086bb0-8cc5a7e] at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:338) [spigot.jar:git-Spigot-2086bb0-8cc5a7e] at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:272) [spigot.jar:git-Spigot-2086bb0-8cc5a7e] at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:545) [spigot.jar:git-Spigot-2086bb0-8cc5a7e] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121] Caused by: java.lang.ClassNotFoundException: com.mongodb.ConnectionString at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_121] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:152) ~[spigot.jar:git-Spigot-2086bb0-8cc5a7e] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:100) ~[spigot.jar:git-Spigot-2086bb0-8cc5a7e] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_121] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_121] ... 13 more Spoiler: Code Code (Java): package de.sEssentials.Managers; import com.mongodb.ConnectionString; import com.mongodb.async.client.MongoClient; import com.mongodb.async.client.MongoClients; import com.mongodb.async.client.MongoCollection; import com.mongodb.async.client.MongoDatabase; import org.bson.Document; import java.text.MessageFormat; /** * Created on 04.Jun 2018 21:43. * Created by Prifabu. * sEssentials */ public class MongoManager { private final String hostname; private final int port; private MongoClient client; private MongoDatabase database; private MongoCollection<Document> players; public MongoManager(String hostname, int port) { this.hostname = hostname; this.port = port; } public void connect() { /* LINE 34 */ this.client = MongoClients.create(new ConnectionString("mongodb://" + hostname + ":" + port)); this.database = this.client.getDatabase("sEssentials"); this.players = this.database.getCollection("players"); } public void connect(String username, String password, String database) { this.client = MongoClients.create(new ConnectionString(MessageFormat.format("mongodb://{0}:{1}@{2}:{3}/{4}", username, password, hostname, port, database))); this.database = this.client.getDatabase("sEssentials"); this.players = this.database.getCollection("players"); } public MongoCollection<Document> getPlayers() { return players; } } Spoiler: pom.xml Code (Text): <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>sEssentials</groupId> <artifactId>sEssentials</artifactId> <version>1.0-SNAPSHOT</version> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.6</source> <target>1.6</target> </configuration> </plugin> </plugins> </build> <repositories> <repository> <id>spigot-repo</id> <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url> </repository> </repositories> <dependencies> <!--Spigot API--> <dependency> <groupId>org.spigotmc</groupId> <artifactId>spigot-api</artifactId> <version>1.12.2-R0.1-SNAPSHOT</version> <scope>provided</scope> </dependency> <!--Bukkit API--> <dependency> <groupId>org.bukkit</groupId> <artifactId>bukkit</artifactId> <version>1.12.2-R0.1-SNAPSHOT</version> <scope>provided</scope> </dependency> <!-- https://mvnrepository.com/artifact/org.mongodb/mongo-java-driver --> <dependency> <groupId>org.mongodb</groupId> <artifactId>mongodb-driver-async</artifactId> <version>3.7.0-rc0</version> </dependency> <!-- https://mvnrepository.com/artifact/org.mongodb/bson --> <dependency> <groupId>org.mongodb</groupId> <artifactId>bson</artifactId> <version>3.7.0-rc0</version> </dependency> <!-- https://mvnrepository.com/artifact/org.mongodb/mongodb-driver-core --> <dependency> <groupId>org.mongodb</groupId> <artifactId>mongodb-driver-core</artifactId> <version>3.7.0-rc0</version> </dependency> </dependencies> </project> Somebody is able to find out what i am doing wrong? ^^
You need to set the scope of the MongoDB dependency to <scope>compile<\scope> and use the Maven Shade plugin to shade your dependency into your plugin. An example can be found here.
Shade the client or make the server load the lib for you https://www.spigotmc.org/wiki/using-mongodb/
