Here is my POM.xml file and Errors I got in STS as below:
<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
http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ducat.springboot.mongodb</groupId>
<artifactId>Ideas</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Ideas Maven Webapp</name>
<url>http://maven.apache.org</url>
<!-- spring boot parent dependency jar -->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.1.RELEASE</version>
</parent>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.0</version>
</dependency>
</dependencies>
<build>
<finalName>Ideas App</finalName>
</build>
</project>
CoreException: Could not get the value for parameter compilerId for plugin execution default-compile: PluginResolutionException: Plugin org.apache.maven.plugins:maven-compiler-plugin:3.8.0 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.maven.plugins:maven-compiler-plugin:jar:3.8.0 -> org.apache.maven.shared:maven-shared-incremental:jar:1.1 -> org.apache.maven:maven-core:jar:2.2.1 -> org.apache.maven:maven-project:jar:2.2.1 -> org.apache.maven:maven-artifact-manager:jar:2.2.1 -> backport-util-concurrent:backport-util-concurrent:jar:3.1: ArtifactDescriptorException: Failed to read artifact descriptor for backport-util-concurrent:backport-util-concurrent:jar:3.1: ArtifactResolutionException: Failure to transfer backport-util-concurrent:backport-util-concurrent:pom:3.1 from https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact backport-util-concurrent:backport-util-concurrent:pom:3.1 from/to central (https://repo.maven.apache.org/maven2): PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target pom.xml /Ideas line 13 Maven Project Build Lifecycle Mapping Problem
Plugin execution not covered by lifecycle configuration: org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile (execution: default-compile, phase: compile) pom.xml /Ideas line 13 Maven Project Build Lifecycle Mapping Problem