我正在创建一个使用（非官方）Discord API、JDA 的（Minecraft）Forge mod。我在 Eclipse IDE 中执行此操作。
在 IDE 中，我可以很好地添加带有依赖项的 JDA，并且代码中不会出现任何错误。然后，使用 gradlew 并编译它，当我尝试运行它（在 Minecraft 中）时出现错误。
我让几个人检查我的 build.gradle 以确保它是正确的，而且确实如此。我现在假设这是一个一般的 Java 错误。
无论如何，错误：
java.lang.NoClassDefFoundError: org/apache/http/nio/reactor/IOReactorException
at com.mashape.unirest.http.HttpClientHelper.prepareRequest(HttpClientHelper.java:151)
at com.mashape.unirest.http.HttpClientHelper.request(HttpClientHelper.java:131)
at com.mashape.unirest.request.BaseRequest.asString(BaseRequest.java:56)
at net.dv8tion.jda.requests.Requester.toObject(Requester.java:100)
at net.dv8tion.jda.requests.Requester.post(Requester.java:55)
at net.dv8tion.jda.entities.impl.JDAImpl.login(JDAImpl.java:152)
at net.dv8tion.jda.JDABuilder.buildAsync(JDABuilder.java:272)
at net.dv8tion.jda.JDABuilder.buildBlocking(JDABuilder.java:307)
at com.scarabcoder.ereijan.gui.GuiLogin.connect(GuiLogin.java:168)
at com.scarabcoder.ereijan.gui.GuiLogin.func_146284_a(GuiLogin.java:143)
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:466)
at com.scarabcoder.ereijan.gui.GuiLogin.func_73864_a(GuiLogin.java:128)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:554)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:523)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1674)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1024)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349)
at net.minecraft.client.main.Main.main(SourceFile:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at …