# \#jmx **URL:** https://community.dynatrace.com/tag/jmx/1023.md [Latest](https://community.dynatrace.com/latest.md) · [Categories](https://community.dynatrace.com/categories.md) · [Tags](https://community.dynatrace.com/tags.md) --- ## [Legacy metric event though EF2](https://community.dynatrace.com/t/legacy-metric-event-though-ef2/56578)
**Author:** [@elenaperez](https://community.dynatrace.com/u/elenaperez)\ **Replies:** 1\ **Last updated:** [August 10, 2026, 3:00am UTC](https://community.dynatrace.com/t/legacy-metric-event-though-ef2/56578 "2026-08-10T03:00:11Z")
Hi team, We noticed the following in the Kafka version in use (2.5). In Dynatrace, the metric is displayed as: legacy.kafka.kafka.network.RequestMetrics.RequestsPerSec.FetchConsumer.OneMinuteRate.request However, in … --- ## [How to troubleshoot VS Code Extension for Dynatrace JMX 2.0 Extensions.](https://community.dynatrace.com/t/how-to-troubleshoot-vs-code-extension-for-dynatrace-jmx-2-0-extensions/54789)
**Author:** [@Erik\_Ostermuell](https://community.dynatrace.com/u/Erik_Ostermuell)\ **Replies:** 1\ **Last updated:** [January 29, 2026, 9:16am UTC](https://community.dynatrace.com/t/how-to-troubleshoot-vs-code-extension-for-dynatrace-jmx-2-0-extensions/54789 "2026-01-29T09:16:46Z")
Need help with two VS Plugin problems. I’m getting this prompt: Certificate already exists in Dynatrace / Would you like to overwrite it …and I’ve triple checked my credential vault and I see one credential that someo… --- ## [Connection Pools WebLogic extension cost calculation](https://community.dynatrace.com/t/connection-pools-weblogic-extension-cost-calculation/54565)
**Author:** [@avdveen](https://community.dynatrace.com/u/avdveen)\ **Replies:** 3\ **Last updated:** [January 27, 2026, 9:06am UTC](https://community.dynatrace.com/t/connection-pools-weblogic-extension-cost-calculation/54565 "2026-01-27T09:06:17Z")
Hi, the Connection Pools WebLogic extension doesn’t list a formula to calculate cost usage like most extensions do - does anyone know what the formula would be, or could the extension creater perhaps supply it on the doc… --- ## [Cached JMX Metrics used in Alerts](https://community.dynatrace.com/t/cached-jmx-metrics-used-in-alerts/54443)
**Author:** [@smitty](https://community.dynatrace.com/u/smitty)\ **Replies:** 3\ **Last updated:** [December 19, 2025, 7:32am UTC](https://community.dynatrace.com/t/cached-jmx-metrics-used-in-alerts/54443 "2025-12-19T07:32:37Z")
Hi, I have maybe an unusual use-case for setting up some Custom Davis Anomaly Alerts. I have several Custom JMX Metrics setup through a Custom Extensions we use in monitoring the health of our system. Most of these JM… --- ## [How to set an alert for JMS connection pool exhausted?](https://community.dynatrace.com/t/how-to-set-an-alert-for-jms-connection-pool-exhausted/54384)
**Author:** [@Anbu](https://community.dynatrace.com/u/Anbu)\ **Replies:** 1\ **Last updated:** [December 15, 2025, 9:44am UTC](https://community.dynatrace.com/t/how-to-set-an-alert-for-jms-connection-pool-exhausted/54384 "2025-12-15T09:44:36Z")
I have set up a JMX/PMI extension for monitoring the JMS connection pool, and I am tracking the following metrics: Pool size Free pool size Waiting time Waiting thread count How can I configure an alert in Dynatrace t… --- ## [monitoring JMS connection pool using JMX/PMI](https://community.dynatrace.com/t/monitoring-jms-connection-pool-using-jmx-pmi/54352)
**Author:** [@Anbu](https://community.dynatrace.com/u/Anbu)\ **Replies:** 1\ **Last updated:** [December 10, 2025, 10:09pm UTC](https://community.dynatrace.com/t/monitoring-jms-connection-pool-using-jmx-pmi/54352 "2025-12-10T22:09:17Z")
I have created a JMX/PMI extension and configured it to collect JMS connection pool metrics from WebSphere. In the WebSphere Admin Console, the JMS connection pool size is set to 30. However, in Dynatrace I notice some… --- ## [JMX Connection Pool - Does it work in Cloud ?](https://community.dynatrace.com/t/jmx-connection-pool-does-it-work-in-cloud/53877)
**Author:** [@susmita\_k](https://community.dynatrace.com/u/susmita_k)\ **Replies:** 1\ **Last updated:** [October 27, 2025, 6:38pm UTC](https://community.dynatrace.com/t/jmx-connection-pool-does-it-work-in-cloud/53877 "2025-10-27T18:38:32Z")
We are migrating one of our java application in Kubernetes cluster. Can we still configure the JMX Extension and get the connection pool details ? We have tried to configure the same, but it is not successful. --- ## [JMX Extension stuck in Pending state](https://community.dynatrace.com/t/jmx-extension-stuck-in-pending-state/50112)
**Author:** [@GiuseppeRanieri](https://community.dynatrace.com/u/GiuseppeRanieri)\ **Replies:** 2\ **Last updated:** [October 14, 2025, 8:10am UTC](https://community.dynatrace.com/t/jmx-extension-stuck-in-pending-state/50112 "2025-10-14T08:10:42Z")
Summary This troubleshooting guide will help you understand why the JMX extension is stuck in a Pending state. Problem Once a JMX extension is installed, it will take a few minutes to activate its metrics and finally r… --- ## [What will happen with the browse for metrics in the create extension?](https://community.dynatrace.com/t/what-will-happen-with-the-browse-for-metrics-in-the-create-extension/42399)
**Author:** [@henk\_stobbe](https://community.dynatrace.com/u/henk_stobbe)\ **Replies:** 4\ **Last updated:** [June 12, 2025, 9:12am UTC](https://community.dynatrace.com/t/what-will-happen-with-the-browse-for-metrics-in-the-create-extension/42399 "2025-06-12T09:12:19Z")
Hello, When extensions 1.0 is fased-out, what is going to happen with the browse part of below functionality? A favorite of mine, used so search JMX metrics, KR Henk --- ## [How to configure JMX mBeans operations?](https://community.dynatrace.com/t/how-to-configure-jmx-mbeans-operations/14031)
**Author:** [@godwin\_shrimal](https://community.dynatrace.com/u/godwin_shrimal)\ **Replies:** 15\ **Last updated:** [May 23, 2025, 11:04am UTC](https://community.dynatrace.com/t/how-to-configure-jmx-mbeans-operations/14031 "2025-05-23T11:04:21Z")
I could create a JMX plugin using JMX plugin editor and its working fine and I can see the JMX stats. My problem is I have few mMbeans which has operations, not attributes. JMX plugin editor not support for operators. Is… --- ## [Are hogging or stuck thread metrics available in Dynatrace Managed?](https://community.dynatrace.com/t/are-hogging-or-stuck-thread-metrics-available-in-dynatrace-managed/21019)
**Author:** [@jeff\_rowell](https://community.dynatrace.com/u/jeff_rowell)\ **Replies:** 5\ **Last updated:** [April 25, 2025, 12:27pm UTC](https://community.dynatrace.com/t/are-hogging-or-stuck-thread-metrics-available-in-dynatrace-managed/21019 "2025-04-25T12:27:23Z")
I’m trying to determine whether Dynatrace Managed provides metrics equivalent to Hogging Threads and Stuck Threads for WebLogic. Somebody asked this question previously but no answer was provided. I.e., Where to get hog… --- ## [How to troubleshoot missing Topic metrics from Apache Kafka extension](https://community.dynatrace.com/t/how-to-troubleshoot-missing-topic-metrics-from-apache-kafka-extension/50836)
**Author:** [@Lefteris](https://community.dynatrace.com/u/Lefteris)\ **Replies:** 0\ **Last updated:** [April 11, 2025, 1:00pm UTC](https://community.dynatrace.com/t/how-to-troubleshoot-missing-topic-metrics-from-apache-kafka-extension/50836 "2025-04-11T13:00:00Z")
Summary The Apache Kafka extension promises deep and wide monitoring of all Kafka components. And yet, even if the configuration is in line with documentation, metrics might still be missing. How can we troubleshoot tha… --- ## [Apache Kafka entities limit](https://community.dynatrace.com/t/apache-kafka-entities-limit/50951)
**Author:** [@Lefteris](https://community.dynatrace.com/u/Lefteris)\ **Replies:** 0\ **Last updated:** [April 10, 2025, 1:00pm UTC](https://community.dynatrace.com/t/apache-kafka-entities-limit/50951 "2025-04-10T13:00:00Z")
Summary Out of the box, the Apache Kafka extension never exposes more than 500 entities per Apache Kafka component. However, the actual Kafka cluster might have more than those, and they are all detected. The limitation… --- ## [JMX Based Extensions - Missing Data Points](https://community.dynatrace.com/t/jmx-based-extensions-missing-data-points/50194)
**Author:** [@elyes](https://community.dynatrace.com/u/elyes)\ **Replies:** 1\ **Last updated:** [March 27, 2025, 7:44am UTC](https://community.dynatrace.com/t/jmx-based-extensions-missing-data-points/50194 "2025-03-27T07:44:42Z")
Abstract This troubleshooting guide will help you understand why the Metrics are not coming from your JMX extension. Problem This is one of the most common scenarios, where the Configuration is created and is in OK stat… --- ## [Trace error "Error getting JMX attribute 'records-lag-avg'" from Apache Kafka Hub Extension](https://community.dynatrace.com/t/trace-error-error-getting-jmx-attribute-records-lag-avg-from-apache-kafka-hub-extension/46652)
**Author:** [@erh\_inetum](https://community.dynatrace.com/u/erh_inetum)\ **Replies:** 10\ **Last updated:** [March 4, 2025, 9:35pm UTC](https://community.dynatrace.com/t/trace-error-error-getting-jmx-attribute-records-lag-avg-from-apache-kafka-hub-extension/46652 "2025-03-04T21:35:56Z")
Summary: This guide explains how to resolve the JMX trace error “Error getting attribute records lag.avg” in Dynatrace. It covers common causes such as misconfigured extensions and provides steps to restore accurate metr… --- ## [How to display charts in Dynatrace '/#processmetrics;id=PROCESS\_GROUP\_INSTANCE' page with JMX Extensions Framework 2.0?](https://community.dynatrace.com/t/how-to-display-charts-in-dynatrace-processmetrics-id-process-group-instance-page-with-jmx-extensions-framework-2-0/50017)
**Author:** [@StephP](https://community.dynatrace.com/u/StephP)\ **Replies:** 3\ **Last updated:** [February 3, 2025, 7:54pm UTC](https://community.dynatrace.com/t/how-to-display-charts-in-dynatrace-processmetrics-id-process-group-instance-page-with-jmx-extensions-framework-2-0/50017 "2025-02-03T19:54:54Z")
I am trying to migrate my current JMX JSON extension for entity \`PROCESS\_GROUP\_INSTANCE\`.The \`ui.charts.group\` defined in the json was displayed on ‘/#processmetrics;id=PROCESS\_GROUP\_INSTANCE’ page (navigation from ‘/ui/… --- ## [PID \`rx\_pid\` dimension with JMX Extension 2.0](https://community.dynatrace.com/t/pid-rx-pid-dimension-with-jmx-extension-2-0/50045)
**Author:** [@StephP](https://community.dynatrace.com/u/StephP)\ **Replies:** 3\ **Last updated:** [February 3, 2025, 7:41pm UTC](https://community.dynatrace.com/t/pid-rx-pid-dimension-with-jmx-extension-2-0/50045 "2025-02-03T19:41:19Z")
With 1.0 extensions, it was possible to add the \`rx\_pid\` dimension under metrics definition json file. The 2.0 extensions JMX conversion tool removes this dimension from definition yaml file (metric / jmx group). By defa… --- ## [Change of units in metrics](https://community.dynatrace.com/t/change-of-units-in-metrics/49733)
**Author:** [@lubrman](https://community.dynatrace.com/u/lubrman)\ **Replies:** 1\ **Last updated:** [January 17, 2025, 1:10am UTC](https://community.dynatrace.com/t/change-of-units-in-metrics/49733 "2025-01-17T01:10:38Z")
As part of Extension 2.0, I am monitoring JMX metrics generated by an application. One of the metrics has the displayName: DirectBufferPool Memory Used, which is generated in bytes. However, within the extension, I woul… --- ## [Retrieving PID as a Dimension in JMX Extension 2.0](https://community.dynatrace.com/t/retrieving-pid-as-a-dimension-in-jmx-extension-2-0/49643)
**Author:** [@jackowheel](https://community.dynatrace.com/u/jackowheel)\ **Replies:** 1\ **Last updated:** [January 9, 2025, 8:15pm UTC](https://community.dynatrace.com/t/retrieving-pid-as-a-dimension-in-jmx-extension-2-0/49643 "2025-01-09T20:15:12Z")
Hello everyone, While converting a JMX Extension from 1.0 to 2.0, I noticed that the previously defined dimensions, including rx\_pid, were no longer available. I successfully reinstated the other dimensions but encounte… --- ## [No data from Extension Framework 1.0 Python plugins after updating OneAgent/ActiveGate to 1.301](https://community.dynatrace.com/t/no-data-from-extension-framework-1-0-python-plugins-after-updating-oneagent-activegate-to-1-301/48715)
**Author:** [@michal\_nalezin](https://community.dynatrace.com/u/michal_nalezin)\ **Replies:** 0\ **Last updated:** [November 5, 2024, 12:24pm UTC](https://community.dynatrace.com/t/no-data-from-extension-framework-1-0-python-plugins-after-updating-oneagent-activegate-to-1-301/48715 "2024-11-05T12:24:24Z")
We have initiated the rollout of version 1.301 to Dynatrace environments. This update will result in the discontinuation of Python extensions based on Extension Framework 1.0 (EF1.0) once OneAgent/ActiveGate is upgraded … --- ## [Monitore remote JMX](https://community.dynatrace.com/t/monitore-remote-jmx/48267)
**Author:** [@alex94](https://community.dynatrace.com/u/alex94)\ **Replies:** 5\ **Last updated:** [October 11, 2024, 3:14pm UTC](https://community.dynatrace.com/t/monitore-remote-jmx/48267 "2024-10-11T15:14:35Z")
Hello, I want to know if someone has ever monitor a remote tomcat server using JMX. My problem is that I can’t install a Dynatrace agent on this server and the available extension seem to only works with installed agen… --- ## [Monitoring Kafka consumer lag using JMX addon](https://community.dynatrace.com/t/monitoring-kafka-consumer-lag-using-jmx-addon/44000)
**Author:** [@ksverchkov](https://community.dynatrace.com/u/ksverchkov)\ **Replies:** 2\ **Last updated:** [October 11, 2024, 10:02am UTC](https://community.dynatrace.com/t/monitoring-kafka-consumer-lag-using-jmx-addon/44000 "2024-10-11T10:02:40Z")
Hello. I am trying to monitor consumer lag of Kafka in dynatrace and have some problems. If anyone has successfully started monitoring this parameter, can you give a link or provide me an example of the working jmx plug… --- ## [JMX Extension 2.0](https://community.dynatrace.com/t/jmx-extension-2-0/48200)
**Author:** [@Sahil23](https://community.dynatrace.com/u/Sahil23)\ **Replies:** 5\ **Last updated:** [October 8, 2024, 1:12pm UTC](https://community.dynatrace.com/t/jmx-extension-2-0/48200 "2024-10-08T13:12:40Z")
Hello community! I am creating a JMX extension 2.0 via VS code extension, and I want to add release notes and Product information. I have searched the docs, but I am not able to find anything relevant. (hope I have not… --- ## [Create a metric with JMX Operations return value](https://community.dynatrace.com/t/create-a-metric-with-jmx-operations-return-value/47247)
**Author:** [@dynaNoob](https://community.dynatrace.com/u/dynaNoob)\ **Replies:** 1\ **Last updated:** [August 22, 2024, 1:44pm UTC](https://community.dynatrace.com/t/create-a-metric-with-jmx-operations-return-value/47247 "2024-08-22T13:44:03Z")
I have a mbean operation which based on passed string values (2 count) will return a numeric value. I want to collect the returned numeric value to create a metric com.abc:type=TrackedValues has a JMX Operation getAvera… --- ## [Migrating JMX metrics to the 2.0 Tomcat extension](https://community.dynatrace.com/t/migrating-jmx-metrics-to-the-2-0-tomcat-extension/47067)
**Author:** [@rsmsdk](https://community.dynatrace.com/u/rsmsdk)\ **Replies:** 2\ **Last updated:** [August 12, 2024, 11:16am UTC](https://community.dynatrace.com/t/migrating-jmx-metrics-to-the-2-0-tomcat-extension/47067 "2024-08-12T11:16:59Z")
Hi Extensions board, Like many other Dynatrace users, we have started to look into the JMX extension and the 2.0 framework, seeing the current builtin metrics will deprecate soon. I was watching the Observability Clinic… --- ## [Monitoring configuration stuck in pending](https://community.dynatrace.com/t/monitoring-configuration-stuck-in-pending/46537)
**Author:** [@sivart\_89](https://community.dynatrace.com/u/sivart_89)\ **Replies:** 4\ **Last updated:** [July 18, 2024, 11:07am UTC](https://community.dynatrace.com/t/monitoring-configuration-stuck-in-pending/46537 "2024-07-18T11:07:04Z")
Is anyone aware of how we can troubleshoot a little, some hosts that are not collecting JMX metrics. When looking at the extension monitoring configuration I see them stuck in Pending. When looking at the Extensions app … --- ## [How does JMX2.0 extension matches the JMX metric name to internal metric name](https://community.dynatrace.com/t/how-does-jmx2-0-extension-matches-the-jmx-metric-name-to-internal-metric-name/46412)
**Author:** [@Abhay\_SAP](https://community.dynatrace.com/u/Abhay_SAP)\ **Replies:** 3\ **Last updated:** [July 4, 2024, 3:54pm UTC](https://community.dynatrace.com/t/how-does-jmx2-0-extension-matches-the-jmx-metric-name-to-internal-metric-name/46412 "2024-07-04T15:54:38Z")
Hi, I have a CF application which publishes a metric named “gb.request.count” to JMX. My extension.yaml file used in JMX2.0 defines the metric as follows: metrics: - key: cpi.it-gb.gb.request metadata: displ… --- ## [Extension 2.0: Load an updated extension](https://community.dynatrace.com/t/extension-2-0-load-an-updated-extension/45984)
**Author:** [@vpasinelli](https://community.dynatrace.com/u/vpasinelli)\ **Replies:** 7\ **Last updated:** [June 14, 2024, 10:09am UTC](https://community.dynatrace.com/t/extension-2-0-load-an-updated-extension/45984 "2024-06-14T10:09:14Z")
Hi, to compensate for the lack of a fundamental metric for us and the customer. I downloaded the Apache Kafka extension (already present on the hub). I added the metric, changed the name, but now I can’t load the extens… --- ## [Not able to convert JMX 1.0 to 2.0 - Getting Errors](https://community.dynatrace.com/t/not-able-to-convert-jmx-1-0-to-2-0-getting-errors/45861)
**Author:** [@MichaelT\_Lee](https://community.dynatrace.com/u/MichaelT_Lee)\ **Replies:** 1\ **Last updated:** [June 1, 2024, 4:15pm UTC](https://community.dynatrace.com/t/not-able-to-convert-jmx-1-0-to-2-0-getting-errors/45861 "2024-06-01T16:15:20Z")
I am trying to enabled Dynatrace monitoring for Red Had JBoss DataGrid Infinispan. I used the Dynatrace 1.0 JMX Wizard to find the Infinispan process and add the metrics into a custom extension for 1.0. With the result… --- ## [Kafka metrics via hub extensions](https://community.dynatrace.com/t/kafka-metrics-via-hub-extensions/45721)
**Author:** [@vpasinelli](https://community.dynatrace.com/u/vpasinelli)\ **Replies:** 5\ **Last updated:** [May 23, 2024, 1:00pm UTC](https://community.dynatrace.com/t/kafka-metrics-via-hub-extensions/45721 "2024-05-23T13:00:04Z")
Hi, We have installed in our environment via hub Confluent Kafka and Apache Kafka. In Confluent Kafka among the metrics we would need is the kafka schema but it results: “Metric confluent\_kafka\_schema\_registry\_schema\_co… [Next page](https://community.dynatrace.com/tag/jmx/1023.md?match_all_tags=true&page=1&tags%5B%5D=jmx)