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58 lines
2.7 KiB
Diff
58 lines
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Wed, 19 Jun 2024 10:52:07 -0700
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Subject: [PATCH] Add debug for chunk system unload crash
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Somehow, a chunkholder is present in the unload queue after
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it has been unloaded. It is likely that this is a result of
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adding the chunk holder to the unload queue while it is
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unloading. However, that should not be possible.
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To find out where it is being added to the unload queue, track
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the last stacktrace which adds to the unload queue and check
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on chunk holder remove if the holder is present in the unload queue
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and log the stacktrace.
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diff --git a/src/main/java/ca/spottedleaf/moonrise/patches/chunk_system/scheduling/NewChunkHolder.java b/src/main/java/ca/spottedleaf/moonrise/patches/chunk_system/scheduling/NewChunkHolder.java
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index d5fc5756ea960096ff23376a6b7ac68a2a462d22..0715514c8bb49c805b04f42ff37903a7d590aaa8 100644
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--- a/src/main/java/ca/spottedleaf/moonrise/patches/chunk_system/scheduling/NewChunkHolder.java
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+++ b/src/main/java/ca/spottedleaf/moonrise/patches/chunk_system/scheduling/NewChunkHolder.java
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@@ -748,9 +748,22 @@ public final class NewChunkHolder {
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/** Unloaded from chunk map */
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private boolean unloaded;
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+ private Throwable lastUnloadAdd;
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void markUnloaded() {
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this.unloaded = true;
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+ if (this.inUnloadQueue) {
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+ if (this.lastUnloadAdd != null) {
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+ LOGGER.error("Unloaded chunkholder " + this.toString() + " while in the unload queue", this.lastUnloadAdd);
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+ } else {
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+ // should never happen
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+ LOGGER.error("Unloaded chunkholder " + this.toString() + " while in the unload queue without a throwable");
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+ }
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+
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+ // prevent crash by removing (note: we hold scheduling lock here)
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+ this.inUnloadQueue = false;
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+ this.scheduler.chunkHolderManager.unloadQueue.removeChunk(this.chunkX, this.chunkZ);
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+ }
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}
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private boolean inUnloadQueue = false;
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@@ -768,12 +781,14 @@ public final class NewChunkHolder {
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// ensure in unload queue
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if (!this.inUnloadQueue) {
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this.inUnloadQueue = true;
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+ this.lastUnloadAdd = new Throwable();
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this.scheduler.chunkHolderManager.unloadQueue.addChunk(this.chunkX, this.chunkZ);
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}
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} else {
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// ensure not in unload queue
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if (this.inUnloadQueue) {
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this.inUnloadQueue = false;
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+ this.lastUnloadAdd = null;
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this.scheduler.chunkHolderManager.unloadQueue.removeChunk(this.chunkX, this.chunkZ);
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}
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}
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