Spring Cloud Configuration Server not working with local properties file – getting need to use a composite configuration

I am configuring the new spring config server and getting the below error.

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APPLICATION FAILED TO START
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Description:

Invalid config server configuration.

Action:

If you are using the git profile, you need to set a Git URI in your configuration.  If you are using a native profile and have spring.cloud.config.server.bootstrap=true, you need to use a composite configuration.

I have tried the below links but no luck
Spring Cloud Config Server configuration with local repository
spring config server- for local git repository
https://medium.com/@danismaz.furkan/spring-cloud-config-with-file-system-backend-c18ae16b7ad5

bootstrap.properties

server.port = 8888
spring.cloud.config.server.native.search-locations=file:///C:/configprop/

pom.xml

<?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>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.4.2</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.fis</groupId>
    <artifactId>config-sever</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>config-sever</name>
    <description>configuration server</description>
    <properties>
        <java.version>1.8</java.version>
        <spring-cloud.version>2020.0.0</spring-cloud.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-config-server</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
    <repositories>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/milestone</url>
        </repository>
    </repositories>
</project>

Answer

You should rename your bootstrap.properties file to application.properties (see Spring Cloud Config Server).

And use native profile like @spencergibb recommended in comments section (see File system backend), either by adding the following line to application.properties

spring.profiles.active=native

or passing it externally see (Externalized Configuration), e.g.

java -jar myapp.jar --spring.profiles.active=native