Improve jul sample for easier debugging inside IDE (#2058)

* Improve jul sample for easier debugging inside IDE

* Add comment on how to specify logging.properties file instead of in the code

Author: adinauer

buildSrc/src/main/java/Config.kt

@@ -52,6 +52,7 @@ object Config {
         val androidxRecylerView = "androidx.recyclerview:recyclerview:1.2.1"
 
         val slf4jApi = "org.slf4j:slf4j-api:1.7.30"
+        val slf4jJdk14 = "org.slf4j:slf4j-jdk14:1.7.30"
         val logbackVersion = "1.2.9"
         val logbackClassic = "ch.qos.logback:logback-classic:$logbackVersion"
 

sentry-samples/sentry-samples-jul/build.gradle.kts

@@ -8,7 +8,6 @@ plugins {
 
 application {
     mainClass.set("io.sentry.samples.jul.Main")
-    applicationDefaultJvmArgs = mutableListOf("-Djava.util.logging.config.file=${project.projectDir}/src/main/resources/logging.properties")
 }
 
 configure<JavaPluginExtension> {
@@ -18,5 +17,5 @@ configure<JavaPluginExtension> {
 
 dependencies {
     implementation(projects.sentryJul)
-    implementation(Config.Libs.logbackClassic)
+    implementation(Config.Libs.slf4jJdk14)
 }

sentry-samples/sentry-samples-jul/src/main/java/io/sentry/samples/jul/Main.java

@@ -2,18 +2,25 @@
 
 import java.util.UUID;
 import java.util.logging.Level;
+import java.util.logging.LogManager;
 import java.util.logging.Logger;
 import org.slf4j.MDC;
 
 public class Main {
 
   private static final Logger LOGGER = Logger.getLogger(Main.class.getName());
 
-  public static void main(String[] args) {
+  public static void main(String[] args) throws Exception {
+    // instead of the following line you can also pass
+    // -Djava.util.logging.config.file=.../logging.properties to the
+    // java command
+    LogManager.getLogManager()
+        .readConfiguration(Main.class.getClassLoader().getResourceAsStream("logging.properties"));
     LOGGER.config("Hello Sentry!");
 
     // MDC parameters are converted to Sentry Event tags
     MDC.put("userId", UUID.randomUUID().toString());
+    MDC.put("requestId", UUID.randomUUID().toString());
 
     // logging arguments are converted to Sentry Event parameters
     LOGGER.log(Level.INFO, "User has made a purchase of product: %d", 445);

sentry-samples/sentry-samples-jul/src/main/resources/logging.properties

@@ -1,6 +1,6 @@
-io.sentry.jul.SentryHandler.minimumEventLevel=INFO
+io.sentry.jul.SentryHandler.minimumEventLevel=DEBUG
 io.sentry.jul.SentryHandler.minimumBreadcrumbLevel=CONFIG
 io.sentry.jul.SentryHandler.printfStyle=true
 io.sentry.jul.SentryHandler.level=CONFIG
-io.sentry.samples.jul.Main.handlers=io.sentry.jul.SentryHandler
-io.sentry.samples.jul.Main.level=CONFIG
+handlers=io.sentry.jul.SentryHandler
+level=CONFIG