Make log4j2 integration compatible with log4j 3.0 (getsentry#2634)

lbloder · adinauer · web-flow · commit 4337591b314f · 2023-04-04T21:38:20.000+02:00
Co-authored-by: Alexander Dinauer &lt;adinauer@users.noreply.github.com&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,8 @@
 ### Features
 
 - Attach Trace Context when an ANR is detected (ANRv1) ([#2583](https://github.com/getsentry/sentry-java/pull/2583))
+- Make log4j2 integration compatible with log4j 3.0 ([#2634](https://github.com/getsentry/sentry-java/pull/2634))
+    - Instead of relying on package scanning, we now use an annotation processor to generate `Log4j2Plugins.dat`
 
 ### Fixes
 
diff --git a/buildSrc/src/main/java/Config.kt b/buildSrc/src/main/java/Config.kt
@@ -65,7 +65,7 @@ object Config {
         val logbackVersion = "1.2.9"
         val logbackClassic = "ch.qos.logback:logback-classic:$logbackVersion"
 
-        val log4j2Version = "2.17.0"
+        val log4j2Version = "2.20.0"
         val log4j2Api = "org.apache.logging.log4j:log4j-api:$log4j2Version"
         val log4j2Core = "org.apache.logging.log4j:log4j-core:$log4j2Version"
 
diff --git a/sentry-log4j2/build.gradle.kts b/sentry-log4j2/build.gradle.kts
@@ -23,6 +23,7 @@ dependencies {
     api(projects.sentry)
     implementation(Config.Libs.log4j2Api)
     implementation(Config.Libs.log4j2Core)
+    annotationProcessor(Config.Libs.log4j2Core)
 
     compileOnly(Config.CompileOnly.nopen)
     errorprone(Config.CompileOnly.nopenChecker)
diff --git a/sentry-samples/sentry-samples-log4j2/src/main/resources/log4j2.xml b/sentry-samples/sentry-samples-log4j2/src/main/resources/log4j2.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Configuration status="WARN" packages="io.sentry.log4j2">
+<Configuration status="WARN">
   <Appenders>
     <Console name="Console" target="SYSTEM_OUT">
       <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
