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Dynmap Dependency Issue #9

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opened 2021-07-11 15:52:51 +00:00 by ZeroHD · 0 comments
ZeroHD commented 2021-07-11 15:52:51 +00:00 (Migrated from git.canopymc.net)

On boot, we are getting this error to console

[14:59:44] [Server thread/ERROR]: Error occurred while enabling QoL v1.11 (Is it up to date?)
java.lang.ClassCastException: class org.dynmap.bukkit.DynmapPlugin cannot be cast to class org.dynmap.DynmapAPI (org.dynmap.bukkit.DynmapPlugin is in unnamed module of loader org.bukkit.plugin.java.PluginClassLoader @717308c1; org.dynmap.DynmapAPI is in unnamed module of loader org.bukkit.plugin.java.PluginClassLoader @6ce7b642)
        at xyz.etztech.qol.QoL.onEnable(QoL.java:67) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.17.1.jar:git-Tuinity-18]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[patched_1.17.1.jar:git-Tuinity-18]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[patched_1.17.1.jar:git-Tuinity-18]
        at org.bukkit.craftbukkit.v1_17_R1.CraftServer.enablePlugin(CraftServer.java:518) ~[patched_1.17.1.jar:git-Tuinity-18]
        at org.bukkit.craftbukkit.v1_17_R1.CraftServer.enablePlugins(CraftServer.java:432) ~[patched_1.17.1.jar:git-Tuinity-18]
        at net.minecraft.server.MinecraftServer.loadWorld(MinecraftServer.java:710) ~[patched_1.17.1.jar:git-Tuinity-18]
        at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:307) ~[patched_1.17.1.jar:git-Tuinity-18]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1197) ~[patched_1.17.1.jar:git-Tuinity-18]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) ~[patched_1.17.1.jar:git-Tuinity-18]
        at java.lang.Thread.run(Thread.java:831) [?:?]

According to the PaperMC Discord, it has something to do with the dynmap class files be included in the QoL jar. To fix it, we just have to mark the dynmap dependecy in pom.xml as provided:

<dependency>
    <groupId>us.dynmap</groupId>
    <artifactId>dynmap-api</artifactId>
    <version>1.9.4</version>
    <scope>provided</scope>
</dependency>
On boot, we are getting this error to console ``` [14:59:44] [Server thread/ERROR]: Error occurred while enabling QoL v1.11 (Is it up to date?) java.lang.ClassCastException: class org.dynmap.bukkit.DynmapPlugin cannot be cast to class org.dynmap.DynmapAPI (org.dynmap.bukkit.DynmapPlugin is in unnamed module of loader org.bukkit.plugin.java.PluginClassLoader @717308c1; org.dynmap.DynmapAPI is in unnamed module of loader org.bukkit.plugin.java.PluginClassLoader @6ce7b642) at xyz.etztech.qol.QoL.onEnable(QoL.java:67) ~[?:?] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.17.1.jar:git-Tuinity-18] at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[patched_1.17.1.jar:git-Tuinity-18] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[patched_1.17.1.jar:git-Tuinity-18] at org.bukkit.craftbukkit.v1_17_R1.CraftServer.enablePlugin(CraftServer.java:518) ~[patched_1.17.1.jar:git-Tuinity-18] at org.bukkit.craftbukkit.v1_17_R1.CraftServer.enablePlugins(CraftServer.java:432) ~[patched_1.17.1.jar:git-Tuinity-18] at net.minecraft.server.MinecraftServer.loadWorld(MinecraftServer.java:710) ~[patched_1.17.1.jar:git-Tuinity-18] at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:307) ~[patched_1.17.1.jar:git-Tuinity-18] at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1197) ~[patched_1.17.1.jar:git-Tuinity-18] at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) ~[patched_1.17.1.jar:git-Tuinity-18] at java.lang.Thread.run(Thread.java:831) [?:?] ``` According to the PaperMC Discord, it has something to do with the dynmap class files be included in the QoL jar. To fix it, we just have to mark the dynmap dependecy in [pom.xml](pom.xml) as `provided`: ``` <dependency> <groupId>us.dynmap</groupId> <artifactId>dynmap-api</artifactId> <version>1.9.4</version> <scope>provided</scope> </dependency> ```
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