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Log4j2 provides an optimized implementation of PrintStream that redirects its output to a logger. Use it instead of a custom implementation for minor performance improvements and some fixes. With the old implementation, each call to System.print() results in a separate line, even though it should not result in a line break. Log4j's implementation handles it correctly.
51 lines
2 KiB
Diff
51 lines
2 KiB
Diff
From a7ced92f0d09b6e25e5c66dc24db2da45f3341f7 Mon Sep 17 00:00:00 2001
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From: Minecrell <dev@minecrell.net>
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Date: Mon, 18 Sep 2017 12:00:03 +0200
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Subject: [PATCH] Use Log4j IOStreams to redirect System.out/err to logger
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Log4j2 provides an optimized implementation of PrintStream that
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redirects its output to a logger. Use it instead of a custom
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implementation for minor performance improvements and some fixes.
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With the old implementation, each call to System.print()
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results in a separate line, even though it should not result in
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a line break. Log4j's implementation handles it correctly.
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diff --git a/pom.xml b/pom.xml
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index 98972114d..aff997468 100644
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--- a/pom.xml
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+++ b/pom.xml
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@@ -97,6 +97,13 @@
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<scope>runtime</scope>
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</dependency>
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+ <!-- Paper - Add additional Log4J dependencies -->
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+ <dependency>
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+ <groupId>org.apache.logging.log4j</groupId>
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+ <artifactId>log4j-iostreams</artifactId>
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+ <version>2.8.1</version>
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+ </dependency>
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+
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<!-- testing -->
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<dependency>
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<groupId>junit</groupId>
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diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
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index b3f1aa999..854455711 100644
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--- a/src/main/java/net/minecraft/server/DedicatedServer.java
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+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
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@@ -129,8 +129,10 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
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*/
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// Paper end
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- System.setOut(new PrintStream(new LoggerOutputStream(logger, Level.INFO), true));
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- System.setErr(new PrintStream(new LoggerOutputStream(logger, Level.WARN), true));
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+ // Paper start - Use Log4j IOStreams
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+ System.setOut(org.apache.logging.log4j.io.IoBuilder.forLogger(logger).setLevel(Level.INFO).buildPrintStream());
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+ System.setErr(org.apache.logging.log4j.io.IoBuilder.forLogger(logger).setLevel(Level.WARN).buildPrintStream());
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+ // Paper end
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// CraftBukkit end
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thread.setDaemon(true);
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--
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2.14.1
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