Newest WildStacker release not supporting 1.20.6

[Cennethdk]

Minecraft's Version

I tried the latest version and host my server in 1.20.6, when I start it the following error happened:

Plugin's Version

WildStacker-2026.1-b180

Describe the bug

See img

To Reproduce

host server on 1.20.6 with the latest WildStacker Dev Builds

Additional Information

No response

[OmerBenGera]

Known, will look into a fix :)

[OmerBenGera]

Check out latest dev build, should be fixed

[Cennethdk]

Still not working

Plugin's Version

WildStacker-2026.1-b181.jar

[17:19:39 ERROR]: [EntrypointUtil] Failed to open plugin jar plugins/WildStacker-2026.1-b181.jar
java.lang.RuntimeException: Failed to open plugin jar plugins/WildStacker-2026.1-b181.jar
at io.papermc.paper.pluginremap.PluginRemapper.remap(PluginRemapper.java:339) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paper.pluginremap.PluginRemapper.remapPlugin(PluginRemapper.java:266) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paper.pluginremap.PluginRemapper.rewritePluginDirectory(PluginRemapper.java:204) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paper.plugin.provider.source.DirectoryProviderSource.prepareContext(DirectoryProviderSource.java:42) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paper.plugin.provider.source.DirectoryProviderSource.prepareContext(DirectoryProviderSource.java:17) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paper.plugin.util.EntrypointUtil.registerProvidersFromSource(EntrypointUtil.java:14) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paper.plugin.PluginInitializerManager.load(PluginInitializerManager.java:109) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at net.minecraft.server.Main.main(Main.java:122) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at org.bukkit.craftbukkit.Main.main(Main.java:328) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paperclip.Paperclip.lambda$main$0(Paperclip.java:42) ~[app:?]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
Caused by: java.util.zip.ZipException: invalid stored block lengths
at java.base/java.util.zip.InflaterInputStream.read(InflaterInputStream.java:181) ~[?:?]
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:345) ~[?:?]
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420) ~[?:?]
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:399) ~[?:?]
at java.base/java.util.jar.Manifest$FastInputStream.fill(Manifest.java:555) ~[?:?]
at java.base/java.util.jar.Manifest$FastInputStream.readLine(Manifest.java:464) ~[?:?]
at java.base/java.util.jar.Manifest$FastInputStream.readLine(Manifest.java:523) ~[?:?]
at java.base/java.util.jar.Attributes.read(Attributes.java:374) ~[?:?]
at java.base/java.util.jar.Manifest.read(Manifest.java:291) ~[?:?]
at java.base/java.util.jar.Manifest.(Manifest.java:101) ~[?:?]
at java.base/java.util.jar.Manifest.(Manifest.java:77) ~[?:?]
at io.papermc.paper.pluginremap.PluginRemapper.remap(PluginRemapper.java:297) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
... 10 more

[OmerBenGera]

It works fine for me
Try it on a fresh new server and install only WildStacker.

[Cennethdk]

It still won't work.

[08:41:15] [Server thread/INFO]: [WildStacker] The plugin doesn't support your minecraft version.
[08:41:15] [Server thread/INFO]: [WildStacker] Please try a different version.
[08:41:15] [Server thread/WARN]: com.bgsoftware.wildstacker.libs.com.bgsoftware.common.nmsloader.NMSLoadException: An error occurred while loading nms jar
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.libs.com.bgsoftware.common.nmsloader.method.BuiltinNMSHandlersFactoryMethod$BuiltinNMSLoader.findImplementationClass(BuiltinNMSHandlersFactoryMethod.java:67)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.libs.com.bgsoftware.common.nmsloader.internal.BaseNMSLoader.loadNMSHandler(BaseNMSLoader.java:19)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.WildStackerPlugin.loadNMSAdapter(WildStackerPlugin.java:215)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.WildStackerPlugin.onLoad(WildStackerPlugin.java:99)
[08:41:15] [Server thread/WARN]: at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:59)
[08:41:15] [Server thread/WARN]: at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:18)
[08:41:15] [Server thread/WARN]: at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:39)
[08:41:15] [Server thread/WARN]: at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:36)
[08:41:15] [Server thread/WARN]: at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:532)
[08:41:15] [Server thread/WARN]: at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:286)
[08:41:15] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1136)
[08:41:15] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:323)
[08:41:15] [Server thread/WARN]: at java.base/java.lang.Thread.run(Thread.java:1583)
[08:41:15] [Server thread/WARN]: Caused by: java.nio.file.NoSuchFileException: plugins/WildStacker/.cache/v1_20_4.jar
[08:41:15] [Server thread/WARN]: at java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:92)
[08:41:15] [Server thread/WARN]: at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106)
[08:41:15] [Server thread/WARN]: at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111)
[08:41:15] [Server thread/WARN]: at java.base/sun.nio.fs.UnixFileAttributeViews$Basic.readAttributes(UnixFileAttributeViews.java:55)
[08:41:15] [Server thread/WARN]: at java.base/sun.nio.fs.UnixFileSystemProvider.readAttributes(UnixFileSystemProvider.java:171)
[08:41:15] [Server thread/WARN]: at java.base/sun.nio.fs.LinuxFileSystemProvider.readAttributes(LinuxFileSystemProvider.java:99)
[08:41:15] [Server thread/WARN]: at java.base/java.nio.file.Files.readAttributes(Files.java:1854)
[08:41:15] [Server thread/WARN]: at java.base/java.util.zip.ZipFile$Source.get(ZipFile.java:1445)
[08:41:15] [Server thread/WARN]: at java.base/java.util.zip.ZipFile$CleanableResource.(ZipFile.java:724)
[08:41:15] [Server thread/WARN]: at java.base/java.util.zip.ZipFile.(ZipFile.java:251)
[08:41:15] [Server thread/WARN]: at java.base/java.util.zip.ZipFile.(ZipFile.java:180)
[08:41:15] [Server thread/WARN]: at java.base/java.util.jar.JarFile.(JarFile.java:345)
[08:41:15] [Server thread/WARN]: at java.base/java.util.jar.JarFile.(JarFile.java:316)
[08:41:15] [Server thread/WARN]: at java.base/java.util.jar.JarFile.(JarFile.java:282)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.libs.com.bgsoftware.common.nmsloader.jar.JarClassLoader.(JarClassLoader.java:30)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.libs.com.bgsoftware.common.nmsloader.method.BuiltinNMSHandlersFactoryMethod$BuiltinNMSLoader.loadNMSToRuntime(BuiltinNMSHandlersFactoryMethod.java:113)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.libs.com.bgsoftware.common.nmsloader.method.BuiltinNMSHandlersFactoryMethod$BuiltinNMSLoader.(BuiltinNMSHandlersFactoryMethod.java:61)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.libs.com.bgsoftware.common.nmsloader.method.BuiltinNMSHandlersFactoryMethod.createNMSLoader(BuiltinNMSHandlersFactoryMethod.java:45)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.libs.com.bgsoftware.common.nmsloader.NMSHandlersFactory.createNMSLoader(NMSHandlersFactory.java:43)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.libs.com.bgsoftware.common.nmsloader.NMSHandlersFactory.createNMSLoader(NMSHandlersFactory.java:29)
[08:41:15] [Server thread/WARN]: at WildStacker-2026.1-b181.jar//com.bgsoftware.wildstacker.WildStackerPlugin.loadNMSAdapter(WildStackerPlugin.java:214)
[08:41:15] [Server thread/WARN]: ... 10 more
[08:41:15] [Server thread/ERROR]: [WildStacker] Error initializing plugin 'WildStacker-2026.1-b181.jar' in folder 'plugins/.paper-remapped' (Is it up to date?)
java.lang.NullPointerException: Cannot invoke "com.bgsoftware.wildstacker.nms.NMSAdapter.loadLegacy()" because "this.nmsAdapter" is null
at WildStacker-2026.1-b181.jar/com.bgsoftware.wildstacker.WildStackerPlugin.onLoad(WildStackerPlugin.java:102) ~[WildStacker-2026.1-b181.jar:?]
at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:59) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paper.plugin.storage.ServerPluginProviderStorage.processProvided(ServerPluginProviderStorage.java:18) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:39) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:36) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:532) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:286) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1136) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:323) ~[paper-1.20.6.jar:1.20.6-151-a4f0f5c]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]

[OmerBenGera]

Is this a hosted server or local one?

[Cennethdk]

Yes, it's a server we host ourselves with pterodactyl