Docs » Supported integrations in Splunk Observability Cloud » Configure application receivers for languages » Java metrics

Java metrics 🔗

The Splunk Distribution of OpenTelemetry Collector uses the Smart Agent receiver with the java-monitor to retrieve metrics from a Java application.

This integration is available on Linux and Windows.

Note

To activate metrics collection in the OpenTelemetry Java agent, see Activate metrics collection.

Benefits 🔗

After you configure the integration, you can access these features:

Installation 🔗

Follow these steps to deploy this integration:

  1. Deploy the Splunk Distribution of the OpenTelemetry Collector to your host or container platform:

  2. Configure the integration, as described in the Configuration section.

  3. Restart the Splunk Distribution of the OpenTelemetry Collector.

Configuration 🔗

To use this integration of a Smart Agent monitor with the Collector:

  1. Include the Smart Agent receiver in your configuration file.

  2. Add the monitor type to the Collector configuration, both in the receiver and pipelines sections.

Example 🔗

To activate this integration, add the following to your Collector configuration:

receivers:
  smartagent/java-monitor:
    type: java-monitor
    ... # Additional config

Next, add the monitor to the service.pipelines.metrics.receivers section of your configuration file:

service:
  pipelines:
    metrics:
      receivers: [java-monitor]

Configuration settings 🔗

The following table shows the configuration options for the java-monitor:

Option

Required

Type

Description

host

no

string

Host is filled in by auto-discovery if the receiver has a

discovery rule.

port

no

integer

Port is filled in by auto-discovery if the receiver has a

discovery rule. Default value is 0.

jarFilePath

no

string

Path to the jar file that implements the monitoring logic.

javaBinary

no

string

By default, the agent use its bundled Java runtime (Java 8). If

you wish to use a Java runtime that already exists on the system, specify the full path to the java binary here in /usr/bin/java.

mainClass

no

string

The class within the specified jarFilePath that contains a

main method to execute.

classPath

no

list of strings

Additional class paths to set on the invoked Java subprocess.

extraJavaArgs

no

list of strings

Additional flags to the Java subprocess

Metrics 🔗

The following metrics are available for this integration:

Notes 🔗

  • To learn more about the available in Splunk Observability Cloud see Metric types

  • In host-based subscription plans, default metrics are those metrics included in host-based subscriptions in Splunk Observability Cloud, such as host, container, or bundled metrics. Custom metrics are not provided by default and might be subject to charges. See Metric categories for more information.

  • In MTS-based subscription plans, all metrics are custom.

  • To add additional metrics, see how to configure extraMetrics in Add additional metrics

Troubleshooting 🔗

If you are a Splunk Observability Cloud customer and are not able to see your data in Splunk Observability Cloud, you can get help in the following ways.

Available to Splunk Observability Cloud customers

Available to prospective customers and free trial users

  • Ask a question and get answers through community support at Splunk Answers .

  • Join the Splunk #observability user group Slack channel to communicate with customers, partners, and Splunk employees worldwide. To join, see Chat groups in the Get Started with Splunk Community manual.

To learn about even more support options, see Splunk Customer Success .