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Understanding Crash Reports

CrashEach reportscrash canreport beprovides lengthydetailed information about the crash event, and complex,understanding butits structure is key sections provide crucial information forto diagnosing the issue.problem. Here’s a breakdown of the common sections in a crash report:

Key Sections of a Crash ReportReport:

  1. Description:

    • TheHead topSection: This section providesincludes abasic briefserver descriptioninformation, ofsuch theas crash,Minecraft oftenversion, includingserver thesoftware error(e.g., messagePaperMC, or exception that caused the crash.
  2. Time:

    • The timestamp of when the crash occurred.
  3. System Details:

    • Information about the server’s environment, includingSpigot), Java version, operating system, and memoryany allocation.
    • environment
    details that might be relevant.
  4. Stack Trace:

      The
    • A detailedstack trace is the most important part of the codereport. executionIt atshows the time of the crash, showing the exact sequence of method calls that led to the crash.
    This
  5. is
  6. where

    Loadedyou’ll Mods:

    find
      references
    • Ato listspecific ofplugins, allmods, theor modsMinecraft’s andown their versionscode that were loaded at the time oftriggered the crash.
    • Cause Section: This part will often mention the specific cause of the crash, such as a NullPointerException, a resource overload, or a mod/plugin conflict.

Example Crash ReportExample:

---- Minecraft Crash Report ----
// Ouch.Why Thatdid hurtyou :(do that?

Time: 7/31/241/1/2025 5:154:00 PM
Description: Exception in server tick loop

java.lang.NullPointerException: ExceptionUnexpected in server tick looperror
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:765)
    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:396)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:665)
    at net.com.mojang.minecraft.server.MinecraftServer.run(MinecraftServer.java:523)500)
    at java.lang.Thread.run(Thread.java:748)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
    Minecraft Version: 1.16.5
    Operating System: Linux (amd64) version 5.4.0-42-generic
    Java Version: 1.8.0_275, Oracle Corporation
    Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 1024 MB / 2048 MB (512 MB allocated, 256 MB free)
    JVM Flags: 2 total; -Xmx2048M -Xms1024M
    ...
Loaded mods:
    Mod1: version
    Mod2: version
    ...

In this case:

  • The NullPointerException is the type of error.
  • The crash occurred in the MinecraftServer.run method.
  • This indicates an issue in server execution, possibly with a mod or plugin.