[Spring Boot integration] Changing the jolokia default path to avoid 404 error

[insukcho]

Proposed commit message

The Jolokia in Spring Boot is enabled by Spring-boot-actuator as described in the reference, and the endpoint should have /actuator in front of the current default path. If we keep this default path, it will return 404 and the Elastic Agent's status will be changed to unhealthy with the error logs below:

{
    "log.level": "error",
    "@timestamp": "2025-04-23T20:19:38.012Z",
    "message": "Error fetching data for metricset jolokia.jmx: HTTP error 404 in : 404 ",
    "component": {
        "binary": "metricbeat",
        "dataset": "elastic_agent.metricbeat",
        "id": "jolokia/metrics-default",
        "type": "jolokia/metrics"
    },
    "log": {
        "source": "jolokia/metrics-default"
    },
    "ecs.version": "1.6.0",
    "log.origin": {
        "file.line": 333,
        "file.name": "module/wrapper.go",
        "function": "github.com/elastic/beats/v7/metricbeat/mb/module.(*metricSetWrapper).handleFetchError"
    },
    "service.name": "metricbeat"
}

To avoid the confusion, suggest to change the default path value with the valid one.

Additionally, the current hosts description is making confusion:

"Host for Spring Boot metrics. (example: http://localhost:8090/actuator/jolokia)."

Suggest to fix the example with only host URL, and move the left to the path's description.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.
• I have verified that any added dashboard complies with Kibana's Dashboard good practices

How to test this PR locally

Reproduced and tested it with the version below:

• openjdk 17.0.14, 21.0.6
• Spring Boot 2.7.17
• Elastic Spring Boot Integration 1.8.1
• jolokia-core 1.7.2

full pom.xml config

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.example</groupId>
	<artifactId>myproject</artifactId>
	<version>0.0.1-SNAPSHOT</version>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.7.17</version>
	</parent>

	<build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

	<!-- Additional lines to be added here... -->
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-security</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-thymeleaf</artifactId>
		</dependency>
		
		<dependency>
			<groupId>org.springframework.security</groupId>
			<artifactId>spring-security-test</artifactId>
			<scope>test</scope>
		</dependency>

		<!-- Elastic Spring Boot Integration requirements-->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-actuator</artifactId>
		</dependency>

		<dependency>
			<groupId>org.jolokia</groupId>
			<artifactId>jolokia-core</artifactId>
		</dependency>

	</dependencies>

</project>

Screenshots

Current default value in UI

Suggested value in UI

[elastic-vault-github-plugin-prod]

🚀 Benchmarks report

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Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

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