Common Issues

No security signals appearing

1. Verify Agent version:
   • Ensure you’re running Datadog Agent v7.41.1 or higher.
   • Check Agent status: datadog-agent status.
2. Check Java tracer version:
   • Confirm you’re using Java tracer v0.94.0 or higher.
   • Verify the tracer is loaded: java -javaagent:/path/to/dd-java-agent.jar -version.
3. Verify environment variables:
   • Ensure DD_APPSEC_ENABLED=true is set.
   • Check DD_SERVICE and DD_ENV are properly configured.
   • Verify DD_APM_ENABLED=true if using APM features.
4. Check file system permissions:
   • Ensure the application has write access to /tmp.
   • Verify the Java agent JAR is readable.

Application fails to start

1. Check Java agent path:
   • Verify the path to dd-java-agent.jar is correct.
   • Ensure the JAR file exists and is readable.
2. Memory issues:
   • If you see OutOfMemoryError, increase the JVM heap size.
   • Add -Xmx parameter to your Java command.
3. Class loading errors:
   • Check for conflicts with other Java agents.
   • Verify Java version compatibility.

Performance impact

1. High latency:
   • Check Agent resource usage.
   • Verify network connectivity between Agent and Datadog.
   • Consider adjusting sampling rates.
2. High memory usage:
   • Monitor JVM memory usage.
   • Adjust Agent resource limits if needed

Still having issues?

If you’re still experiencing problems:

1. Check the Application Security Monitoring troubleshooting guide
2. Review the Java tracer documentation
3. Contact Datadog support