This release adds Prometheus Protobuf support.

As always, the jmx_exporter binaries are available on Maven Central:

• jmx_prometheus_javaagent-1.0.1.jar
• jmx_prometheus_httpserver-1.0.1.jar

NOTES

1. Metrics are no longer served on the root (/) path. You will be required to change the scrape URL to /metrics

2. Some JVM metric names have changed to conform with the OpenMetrics specification.

Dashboards will need to be changed if referencing the changed JVM metrics.

https://prometheus.github.io/client_java/migration/simpleclient/#jvm-metrics

3. MBeans that normalize to the same metric name will now contain a label named _objectname that references the MBean that provided the metric.

Example:

# HELP kafka_rest_jersey_metrics_v3_topics_partitions_reassignment_list_request The request count using a cumulative counter kafka.rest:name=null,type=jersey-metrics,attribute=v3.topics.partitions-reassignment.list.request-total
# TYPE kafka_rest_jersey_metrics_v3_topics_partitions_reassignment_list_request untyped
kafka_rest_jersey_metrics_v3_topics_partitions_reassignment_list_request{_objectname="kafka.rest<type=jersey-metrics><>v3.topics-partitions-reassignment.list.request-total"} 0.0
kafka_rest_jersey_metrics_v3_topics_partitions_reassignment_list_request{_objectname="kafka.rest<type=jersey-metrics><>v3.topics.partitions-reassignment.list.request-total"} 0.0

[BUGFIX] Collection fails for Kafka using release 1.0.0 [BUGFIX] Fixed NullPointerException during scrape. Thanks @simon-greatrix [ENHANCEMENT] Improved JMX scraping performance. Thanks @nicktelford [ENHANCEMENT] Added configuration example for Kafka KRaft metrics. Thanks @KumKeeHyun. [ENHANCEMENT] Added configuration example for Presto/Trino metrics. Thanks @Akanksha-kedia [ENHANCEMENT] Added configuration example for Hazelcast. Thanks @Nirzak [ENHANCEMENT] Added better exception handling in Java agent premain. Thanks @guhanjie. [CHANGE] Updated Tomcat example configuration. Thanks @lautarozerpa. [CHANGE] Updated integration testing containers to include Java 21 and 22 [CHANGE] Added azul/prime:21 to integration test containers