Unable To Shut Down Server, Failed To Save Chunk Loop

Apr 29, 2025 by ADMIN 54 views

Unable to Shut Down Server: Failed to Save Chunk Loop

Introduction

Shutting down a Minecraft server can be a straightforward process, but sometimes, it can get stuck in a loop of errors, making it difficult to stop the server. In this article, we will explore a specific issue where the server gets stuck in a loop of "Failed to save chunk" errors, specifically related to the Refined Storage mod. We will delve into the possible causes of this issue, how to diagnose it, and provide steps to prevent it from happening in the future.

Describe the Bug

When trying to shut down a server, it gets stuck in a loop of "Failed to save chunk" errors on two specific chunks. The only way to shut it down is to kill the server process, at which point the two chunks won't be saved. This is a concerning issue, as it may lead to data loss or corruption in the future.

Relevant Log Output

The log output shows a repeated error message:

[29Apr2025 12:30:59.460] [Server thread/ERROR] [net.minecraft.server.level.ChunkMap/]: Failed to save chunk [12, 1]
java.util.concurrent.CompletionException: java.lang.IllegalArgumentException: The removed container should be present in the removed entries, but isn't
	at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315) ~[?:?]
	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320) ~[?:?]
	at java.base/java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:791) ~[?:?]
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkMap.processUnloads(ChunkMap.java:492) ~[server-1.21.1-20240808.144430-srg.jar%23509!/:?]
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ChunkMap.tick(ChunkMap.java:448) ~[server-1.21.1-20240808.144430-srg.jar%23509!/:?]
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ServerChunkCache.tick(ServerChunkCache.java:326) ~[server-1.21.1-20240808.144430-srg.jar%23509!/:?]
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.stopServer(MinecraftServer.java:616) ~[server-1.21.1-20240808.144430-srg.jar%23509!/:?]
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.dedicated.DedicatedServer.stopServer(DedicatedServer.java:570) ~[server-1.21.1-20240808.144430-srg.jar%23509!/:?]
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:742) ~[server-1.21.1-20240808.144430-srg.jar%23509!/:?]
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267) ~[server-1.21.1-20240808.144430-srg.jar%09!/:?]
	at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]
Caused by: java.lang.IllegalArgumentException: The removed container should be present in the removed entries, but isn't
	at TRANSFORMER/refinedstorage@2.0.0-beta.2/com.refinedmods.refinedstorage.api.core.CoreValidations.validateContains(CoreValidations.java:73) ~[refinedstorage-neoforge-2.0.0-beta.2.jar%23809!/:?]
	at TRANSFORMER/refinedstorage@2.0.0-beta.2/com.refinedmods.refinedstorage.api.network.impl.NetworkBuilderImpl.remove(NetworkBuilderImpl.java:122) ~[refinedstorage-neoforge-2.0.0-beta.2.jar%23809!/:?]
	at TRANSFORMER/refinedstorage@2.0.0-beta.2/com.refinedmods.refinedstorage.common.RefinedStorageApiImpl.removeNetworkNodeContainer(RefinedStorageApiImpl.java:366) ~[refinedstorage-neoforge-2.0.0-beta.2.jar%23809!/:?]
	at TRANSFORMER/refinedstorage@2.0.0-beta.2/com.refinedmods.refinedstorage.common.api.RefinedStorageApiProxy.removeNetworkNodeContainer(RefinedStorageApiProxy.java:229) ~[refinedstorage-neoforge-2.0.0-beta.2.jar%23809!/:?]
	at TRANSFORMER/refinedstorage@2.0.0-beta.2/com.refinedmods.refinedstorage.common.api.support.network.NetworkNodeContainerProvider.lambda$remove$2(NetworkNodeContainerProvider.java:33) ~[refinedstorage-neoforge-2.0.0-beta.2.jar%23809!/:?]
	at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[?:?]
	at java.base/java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1116) ~[?:?]
	at TRANSFORMER/refinedstorage@2.0.0-beta.2/com.refinedmods.refinedstorage.common.api.support.network.NetworkNodeContainerProvider.remove(NetworkNodeContainerProvider.java:33) ~[refinedstorage-neoforge-2.0.0-beta.2.jar%23809!/:?]
	at TRANSFORMER/refinedstorage@2.0.0-beta.2/com.refinedmods.refinedstorage.common.api.support.network.AbstractNetworkNodeContainerBlockEntity.setRemoved(AbstractNetworkNodeContainerBlockEntity.java:48) ~[refinedstorage-neoforge-2.0.0-beta.2.jar%23809!/:?]
	at MC-BOOTSTRAP/it.unimi.dsi.fastutil@8.5.12/it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap$1.forEach(Object2ObjectOpenHashMap.java:1188) ~[fastutil-8.5.12.jar%23113!/:?]
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.LevelChunk.clearAllBlockEntities(LevelChunk.java:618) ~[server-1.21.1-20240808.144430-srg.jar%23509!/:?]
	at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ServerLevel.unload(ServerLevel.java:954) ~[server-1.21.1-20240808.144430-srg.jar%23509!/:?]
	at TRANSFORMER/minecraft@121.1/net.minecraft.server.level.ChunkMap.lambda$scheduleUnload$12(ChunkMap.java:521) ~[server-1.21.1-20240808.144430-srg.jar%23509!/:?]
	at java.base/java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:787) ~[?:?]
	... 9 more

How to Diagnose the Issue

To diagnose the issue, we need to identify the possible causes of the "Failed to save chunk" errors. Based on the log output, we can see that the error is related to the Refined Storage mod. Specifically, the error message indicates that the removed container should be present in the removed entries, but it's not.

Possible Causes

Inconsistent Data: The error message suggests that there is inconsistent data in the Refined Storage mod's database. This could be due to a bug in the mod or a corrupted database.
Mod Conflict: The error message also suggests that there is a conflict between the Refined Storage mod and another mod. This could be due to a bug in one of the mods or a compatibility issue.
Server Configuration: The error message could also be related to the server configuration. For example, the server may be configured to save chunks too frequently, causing the error.

How to Prevent the Issue

To prevent the issue, we need to identify the root cause of the problem and take steps to fix it. Here are some possible solutions:

Update Refined Storage Mod: Make sure that the Refined Storage mod is up-to-date. If there is a bug in the mod, updating it may fix the issue.
Check Mod Conflicts: Check for mod conflicts and remove any mods that may be causing the issue.
Check Server Configuration: Check the server configuration to ensure that it is not causing the issue.
Backup Data: Make sure to backup your data regularly to prevent data loss in case of a server crash.

Conclusion

Shutting down a Minecraft server can be a straightforward process, but sometimes, it can get stuck in a loop of errors. In this article, we explored a specific issue where the server gets stuck in a loop of "Failed to save chunk" errors, specifically related to the Refined Storage mod. We identified the possible causes of the issue, including inconsistent data, mod conflicts, and server configuration. We also provided steps to prevent the issue, including updating the Refined Storage mod, checking mod conflicts, checking server configuration, and backing up data. By following these steps, you can prevent the issue and ensure a smooth shutdown of your Minecraft server.
Q&A: Unable to Shut Down Server, Failed to Save Chunk Loop

Q: What is the "Failed to save chunk" error?

A: The "Failed to save chunk" error is a common issue that occurs when trying to shut down a Minecraft server. It is characterized by a loop of errors that prevent the server from shutting down properly.

Q: What causes the "Failed to save chunk" error?

A: The "Failed to save chunk" error can be caused by a variety of factors, including:

Inconsistent data in the Refined Storage mod's database
Mod conflicts between the Refined Storage mod and other mods
Server configuration issues
Bugs in the Refined Storage mod

Q: How can I diagnose the issue?

A: To diagnose the issue, you can:

Check the server logs for error messages related to the "Failed to save chunk" error
Check for mod conflicts and remove any mods that may be causing the issue
Check the server configuration to ensure that it is not causing the issue
Update the Refined Storage mod to the latest version

Q: How can I prevent the issue?

A: To prevent the issue, you can:

Update the Refined Storage mod to the latest version
Check for mod conflicts and remove any mods that may be causing the issue
Check the server configuration to ensure that it is not causing the issue
Backup your data regularly to prevent data loss in case of a server crash

Q: What are some common symptoms of the "Failed to save chunk" error?

A: Some common symptoms of the "Failed to save chunk" error include:

A loop of errors that prevent the server from shutting down properly
The server getting stuck in a loop of "Failed to save chunk" errors
The server crashing or freezing
Data loss or corruption

Q: How can I fix the issue?

A: To fix the issue, you can:

Update the Refined Storage mod to the latest version
Check for mod conflicts and remove any mods that may be causing the issue
Check the server configuration to ensure that it is not causing the issue
Backup your data regularly to prevent data loss in case of a server crash

Q: What are some best practices for preventing the "Failed to save chunk" error?

A: Some best practices for preventing the "Failed to save chunk" error include:

Regularly updating the Refined Storage mod to the latest version
Checking for mod conflicts and removing any mods that may be causing the issue
Checking the server configuration to ensure that it is not causing the issue
Backing up your data regularly to prevent data loss in case of a server crash

Q: Can I prevent the "Failed to save chunk" error by using a different mod?

A: Yes, you can prevent the "Failed to save chunk" error by using a different mod. However, it is recommended to use a mod that is compatible with the Refined Storage mod and the server configuration.

Q: Can I prevent the "Failed to save chunk" error by using a different server configuration?

A: Yes, you can prevent the "Failed to save chunk" error by using a different server configuration. However, it is recommended to check the server configuration to ensure that it not causing the issue.

Q: What are some common mistakes that can cause the "Failed to save chunk" error?

A: Some common mistakes that can cause the "Failed to save chunk" error include:

Not updating the Refined Storage mod to the latest version
Not checking for mod conflicts and removing any mods that may be causing the issue
Not checking the server configuration to ensure that it is not causing the issue
Not backing up your data regularly to prevent data loss in case of a server crash