Main.java

package io.sentry.samples.logback;

import io.sentry.Sentry;
import java.util.UUID;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;

public class Main {
  private static final Logger LOGGER = LoggerFactory.getLogger(Main.class);

  public static void main(String[] args) {
    LOGGER.debug("Hello Sentry!");

    // MDC tags listed in logback.xml are converted to Sentry Event tags
    MDC.put("userId", UUID.randomUUID().toString());
    MDC.put("requestId", UUID.randomUUID().toString());
    // MDC tag not listed in logback.xml
    MDC.put("context-tag", "context-tag-value");

    Sentry.setAttribute("user.type", "admin");
    Sentry.setAttribute("feature.version", 2);
    Sentry.setAttribute("debug.enabled", true);
    Sentry.addFeatureFlag("my-feature-flag", true);
    LOGGER.warn("important warning");

    // logging arguments are converted to Sentry Event parameters
    LOGGER.info("User has made a purchase of product: {}", 445);

    try {
      throw new RuntimeException("Invalid productId=445");
    } catch (Throwable e) {
      LOGGER.error("Something went wrong", e);
    }
  }
}