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Don't grab the threads stacktrace when dumping same thread

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For some reason, this doesn't always seem to capture all states of shutdown,
either the logger is just being fun, or, potentially, the thread is already
marked as dead when we're getting called so the trace is not generated through
the method on Thread
This commit is contained in:
Shane Freeder 2021-02-24 18:45:21 +00:00
parent ca4c781d83
commit 89be8185db
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GPG Key ID: A3F61EA5A085289C
1 changed files with 9 additions and 5 deletions
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14
Spigot-Server-Patches/0676-misc-debugging-dumps.patch
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@ -6,10 +6,10 @@ Subject: [PATCH] misc debugging dumps
diff --git a/src/main/java/io/papermc/paper/util/TraceUtil.java b/src/main/java/io/papermc/paper/util/TraceUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..d5e5c6153675855bb8798b11d905b5f2d6ea158e
index 0000000000000000000000000000000000000000..2d5494d2813b773e60ddba6790b750a9a08f21f8
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/TraceUtil.java
@@ -0,0 +1,14 @@
@@ -0,0 +1,18 @@
+package io.papermc.paper.util;
+
+import org.bukkit.Bukkit;
@ -23,9 +23,13 @@ index 0000000000000000000000000000000000000000..d5e5c6153675855bb8798b11d905b5f2
+ Bukkit.getLogger().warning("\tat " + traceElement);
+ }
+ }
+
+ public static void dumpTraceForThread(String reason) {
+ new Throwable(reason).printStackTrace();
+ }
+}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index ccf2d0b090f0c360dfc7886bb0726e099acec42c..ccac3589820f244f36dac310d08091f218d5935e 100644
index ccf2d0b090f0c360dfc7886bb0726e099acec42c..d6ca2ac9a5047b8d6840c8b4985ab75f35bea919 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -15,6 +15,7 @@ import io.netty.buffer.ByteBuf;
@ -48,7 +52,7 @@ index ccf2d0b090f0c360dfc7886bb0726e099acec42c..ccac3589820f244f36dac310d08091f2
if (hasStopped) return;
hasStopped = true;
}
+ if (!hasLoggedStop && isDebugging()) TraceUtil.dumpTraceForThread(this.getThread(), "Server stopped"); // Paper
+ if (!hasLoggedStop && isDebugging()) TraceUtil.dumpTraceForThread("Server stopped"); // Paper
// Paper start - kill main thread, and kill it hard
shutdownThread = Thread.currentThread();
org.spigotmc.WatchdogThread.doStop(); // Paper
@ -57,7 +61,7 @@ index ccf2d0b090f0c360dfc7886bb0726e099acec42c..ccac3589820f244f36dac310d08091f2
this.isRunning = false;
this.isRestarting = isRestarting;
+ this.hasLoggedStop = true; // Paper
+ if (isDebugging()) TraceUtil.dumpTraceForThread(this.getThread(), "Server stopped"); // Paper
+ if (isDebugging()) TraceUtil.dumpTraceForThread("Server stopped"); // Paper
if (flag) {
try {
this.serverThread.join();