Discovering-Minecraft

常见异常日志分析

异常堆栈踪迹

此处例子为网络问题，通常不会造成致命错误。

java.net.ConnectException: Connection timed out: connect
    at sun.nio.ch.Net.connect0(Native Method) ~[?:?]
    at sun.nio.ch.Net.connect(Net.java:574) ~[?:?]
    at sun.nio.ch.Net.connect(Net.java:563) ~[?:?]
    at sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:588) ~[?:?]
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:333) ~[?:?]
    at java.net.Socket.connect(Socket.java:648) ~[?:?]
    at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:290) ~[?:?]
    at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173) ~[?:?]
    at sun.net.NetworkClient.doConnect(NetworkClient.java:182) ~[?:?]
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:474) ~[?:?]
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:569) ~[?:?]
    at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:709) ~[?:?]
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1623) ~[?:?]
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1528) ~[?:?]
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:224) ~[?:?]
    at java.net.URL.openStream(URL.java:1167) ~[?:?]
    at net.coderbot.iris.UpdateChecker.lambda$checkForUpdates$0(UpdateChecker.java:85) ~[iris-mc1.16.5-1.2.7.jar:?]
    at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764) [?:?]
    at java.lang.Thread.run(Thread.java:832) [?:?]

堆栈踪迹一般是这样的格式，其分析方法在崩溃报告一节中将会给出讲解。

堆栈踪迹的出现表明Minecraft在运行中遇到了一些问题，但这些不一定是致命的，大多数情况下游戏仍能正常运行。但是，如果一个堆栈踪迹被输出后游戏就发生了崩溃，那么这一堆栈踪迹可能会提供一些关键性信息。

服务端卡顿

[16:05:27] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 5510ms or 110 ticks behind

这是游戏卡顿的标志，但通常不必过多在意。

常见无害报错

[13:24:20] [Server thread/WARN]: Fetching packet for removed entity class_1542['花岗岩'/15352, l='ServerLevel[1.16 Longterm]', x=-849.30, y=30.35, z=1236.30]

实体创建后被立即杀死就可能造成此类日志，不必在意。

[14:27:11] [Render thread/WARN]: Received passengers for unknown entity
[14:27:11] [Render thread/WARN]: Received passengers for unknown entity

玩家接收到新区块时可能会出现此类报错，不必在意。

声音卡顿

[14:27:33] [Sound engine/WARN]: Maximum sound pool size 247 reached
[14:27:33] [Render thread/WARN]: Failed to create new sound handle

由于声音太多导致声音播放失败，通常是一个没有太多价值但是有害的报错，一般而言这一报错会被成千上万次地输出，这会极大地加重卡顿甚至卡死游戏。错误本身不可怕，报错才是卡顿元凶。

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