https://start.spring.io/ මෙම සයිට් එක බාවිතයෙන් spring project එකක generate කරගෙන එය net beans වලට import කරලා clean and build දුන්නම මෙහෙම error එකක් එනවා.

Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (default-cli) on project HelloSpring: Command execution failed.: Process exited with an error: 1 (Exit value: 1) -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (default-cli) on project HelloSpring: Command execution failed.

logs ටික පහලින්👇

cd C:\Users\Boolean\Documents\NetBeansProjects\HelloSpring\HelloSpring; “JAVA_HOME=C:\\Program Files\\Java\\jdk1.8.0_111” M2_HOME=C:\\apache-maven-3.8.1-bin\\apache-maven-3.8.1 cmd /c “””C:\\apache-maven-3.8.1-bin\\apache-maven-3.8.1\\bin\\mvn.cmd” -Dexec.args=”-classpath %classpath com.example3.HelloSpringApplication” -Dexec.executable=”C:\\Program Files\\Java\\jdk1.8.0_111\\bin\\java.exe” -Dexec.classpathScope=runtime -Dmaven.ext.class.path=”C:\\Program Files\\NetBeans 8.2\\java\\maven-nblib\\netbeans-eventspy.jar” -Dfile.encoding=UTF-8 –debug –errors –debug –errors org.codehaus.mojo:exec-maven-plugin:1.2.1:exec””
Running NetBeans Compile On Save execution. Phase execution is skipped and output directories of dependency projects (with Compile on Save turned on) will be used instead of their jar artifacts.
Apache Maven 3.8.1 (05c21c65bdfed0f71a2f2ada8b84da59348c4c5d)
Maven home: C:\apache-maven-3.8.1-bin\apache-maven-3.8.1\bin\..
Java version: 1.8.0_111, vendor: Oracle Corporation, runtime: C:\Program Files\Java\jdk1.8.0_111\jre
Default locale: en_US, platform encoding: UTF-8
OS name: “windows 10”, version: “10.0”, arch: “amd64”, family: “windows”
Included C:\Program Files\NetBeans 8.2\java\maven-nblib\netbeans-eventspy.jar
Populating class realm maven.ext
Included C:\Program Files\NetBeans 8.2\java\maven-nblib\netbeans-eventspy.jar
Created new class realm maven.api
Importing foreign packages into class realm maven.api
Imported: javax.annotation.* < maven.ext
Imported: javax.annotation.security.* < maven.ext
Imported: javax.enterprise.inject.* < maven.ext
Imported: javax.enterprise.util.* < maven.ext
Imported: javax.inject.* < maven.ext
Imported: org.apache.maven.* < maven.ext
Imported: org.apache.maven.artifact < maven.ext
Imported: org.apache.maven.classrealm < maven.ext
Imported: org.apache.maven.cli < maven.ext
Imported: org.apache.maven.configuration < maven.ext
Imported: org.apache.maven.exception < maven.ext
Imported: org.apache.maven.execution < maven.ext
Imported: org.apache.maven.execution.scope < maven.ext
Imported: org.apache.maven.lifecycle < maven.ext
Imported: org.apache.maven.model < maven.ext
Imported: org.apache.maven.monitor < maven.ext
Imported: org.apache.maven.plugin < maven.ext
Imported: org.apache.maven.profiles < maven.ext
Imported: org.apache.maven.project < maven.ext
Imported: org.apache.maven.reporting < maven.ext
Imported: org.apache.maven.repository < maven.ext
Imported: org.apache.maven.rtinfo < maven.ext
Imported: org.apache.maven.settings < maven.ext
Imported: org.apache.maven.toolchain < maven.ext
Imported: org.apache.maven.usability < maven.ext
Imported: org.apache.maven.wagon.* < maven.ext
Imported: org.apache.maven.wagon.authentication < maven.ext
Imported: org.apache.maven.wagon.authorization < maven.ext
Imported: org.apache.maven.wagon.events < maven.ext
Imported: org.apache.maven.wagon.observers < maven.ext
Imported: org.apache.maven.wagon.proxy < maven.ext
Imported: org.apache.maven.wagon.repository < maven.ext
Imported: org.apache.maven.wagon.resource < maven.ext
Imported: org.codehaus.classworlds < maven.ext
Imported: org.codehaus.plexus.* < maven.ext
Imported: org.codehaus.plexus.classworlds < maven.ext
Imported: org.codehaus.plexus.component < maven.ext
Imported: org.codehaus.plexus.configuration < maven.ext
Imported: org.codehaus.plexus.container < maven.ext
Imported: org.codehaus.plexus.context < maven.ext
Imported: org.codehaus.plexus.lifecycle < maven.ext
Imported: org.codehaus.plexus.logging < maven.ext
Imported: org.codehaus.plexus.personality < maven.ext
Imported: org.codehaus.plexus.util.xml.Xpp3Dom < maven.ext
Imported: org.codehaus.plexus.util.xml.pull.XmlPullParser < maven.ext
Imported: org.codehaus.plexus.util.xml.pull.XmlPullParserException < maven.ext
Imported: org.codehaus.plexus.util.xml.pull.XmlSerializer < maven.ext
Imported: org.eclipse.aether.* < maven.ext
Imported: org.eclipse.aether.artifact < maven.ext
Imported: org.eclipse.aether.collection < maven.ext
Imported: org.eclipse.aether.deployment < maven.ext
Imported: org.eclipse.aether.graph < maven.ext
Imported: org.eclipse.aether.impl < maven.ext
Imported: org.eclipse.aether.installation < maven.ext
Imported: org.eclipse.aether.internal.impl < maven.ext
Imported: org.eclipse.aether.metadata < maven.ext
Imported: org.eclipse.aether.repository < maven.ext
Imported: org.eclipse.aether.resolution < maven.ext
Imported: org.eclipse.aether.spi < maven.ext
Imported: org.eclipse.aether.transfer < maven.ext
Imported: org.eclipse.aether.version < maven.ext
Imported: org.fusesource.jansi.* < maven.ext
Imported: org.slf4j.* < maven.ext
Imported: org.slf4j.event.* < maven.ext
Imported: org.slf4j.helpers.* < maven.ext
Imported: org.slf4j.spi.* < maven.ext
Populating class realm maven.api
Error stacktraces are turned on.
Message scheme: color
Message styles: debug info warning error success failure strong mojo project
Reading global settings from C:\apache-maven-3.8.1-bin\apache-maven-3.8.1\bin\..\conf\settings.xml
Reading user settings from C:\Users\Boolean\.m2\settings.xml
Reading global toolchains from C:\apache-maven-3.8.1-bin\apache-maven-3.8.1\bin\..\conf\toolchains.xml
Reading user toolchains from C:\Users\Boolean\.m2\toolchains.xml
Using local repository at C:\Users\Boolean\.m2\repository
Using manager EnhancedLocalRepositoryManager with priority 10.0 for C:\Users\Boolean\.m2\repository
Scanning for projects…
Extension realms for project com.example3:HelloSpring:jar:0.0.1-SNAPSHOT: (none)
Looking up lifecycle mappings for packaging jar from ClassRealm[maven.ext, parent: ClassRealm[plexus.core, parent: null]]
Extension realms for project org.springframework.boot:spring-boot-starter-parent:pom:2.5.2: (none)
Looking up lifecycle mappings for packaging pom from ClassRealm[maven.ext, parent: ClassRealm[plexus.core, parent: null]]
Extension realms for project org.springframework.boot:spring-boot-dependencies:pom:2.5.2: (none)
Looking up lifecycle mappings for packaging pom from ClassRealm[maven.ext, parent: ClassRealm[plexus.core, parent: null]]
Using mirror maven-default-http-blocker (http://0.0.0.0/) for codehaus.org (http://snapshots.repository.codehaus.org).
Using mirror maven-default-http-blocker (http://0.0.0.0/) for codehaus-snapshots (http://nexus.codehaus.org/snapshots/).
=== REACTOR BUILD PLAN ================================================
Project: com.example3:HelloSpring:jar:0.0.1-SNAPSHOT
Tasks: [org.codehaus.mojo:exec-maven-plugin:1.2.1:exec]
Style: Regular
=======================================================================

———————< com.example3:HelloSpring >———————-
Building HelloSpring 0.0.1-SNAPSHOT
——————————–[ jar ]———————————
Lifecycle default -> [validate, initialize, generate-sources, process-sources, generate-resources, process-resources, compile, process-classes, generate-test-sources, process-test-sources, generate-test-resources, process-test-resources, test-compile, process-test-classes, test, prepare-package, package, pre-integration-test, integration-test, post-integration-test, verify, install, deploy]
Lifecycle clean -> [pre-clean, clean, post-clean]
Lifecycle site -> [pre-site, site, post-site, site-deploy]
=== PROJECT BUILD PLAN ================================================
Project: com.example3:HelloSpring:0.0.1-SNAPSHOT
Dependencies (collect): []
Dependencies (resolve): [test]
Repositories (dependencies): [central (https://repo.maven.apache.org/maven2, default, releases)]
Repositories (plugins) : [central (https://repo.maven.apache.org/maven2, default, releases)]
———————————————————————–
Goal: org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (default-cli)
Style: Regular
Configuration: <?xml version=”1.0″ encoding=”UTF-8″?>
<configuration>
<basedir default-value=”${basedir}”/>
<classpathScope default-value=”runtime”>${exec.classpathScope}</classpathScope>
<commandlineArgs>${exec.args}</commandlineArgs>
<executable>${exec.executable}</executable>
<longClasspath default-value=”false”>${exec.longClasspath}</longClasspath>
<outputFile>${exec.outputFile}</outputFile>
<project default-value=”${project}”/>
<session default-value=”${session}”/>
<skip default-value=”false”>${skip}</skip>
<sourceRoot>${sourceRoot}</sourceRoot>
<testSourceRoot>${testSourceRoot}</testSourceRoot>
<workingDirectory>${exec.workingdir}</workingDirectory>
</configuration>
=======================================================================
Using mirror maven-default-http-blocker (http://0.0.0.0/) for ow2-snapshot (http://repository.ow2.org/nexus/content/repositories/snapshots).
Using mirror maven-default-http-blocker (http://0.0.0.0/) for vaadin-snapshots (http://oss.sonatype.org/content/repositories/vaadin-snapshots/).
Using mirror maven-default-http-blocker (http://0.0.0.0/) for vaadin-releases (http://oss.sonatype.org/content/repositories/vaadin-releases/).
Dependency collection stats {ConflictMarker.analyzeTime=769000, ConflictMarker.markTime=473000, ConflictMarker.nodeCount=107, ConflictIdSorter.graphTime=437000, ConflictIdSorter.topsortTime=318900, ConflictIdSorter.conflictIdCount=60, ConflictIdSorter.conflictIdCycleCount=0, ConflictResolver.totalTime=7755400, ConflictResolver.conflictItemCount=106, DefaultDependencyCollector.collectTime=451442300, DefaultDependencyCollector.transformTime=11612000}
com.example3:HelloSpring:jar:0.0.1-SNAPSHOT
org.springframework.boot:spring-boot-starter-web:jar:2.5.2:compile
org.springframework.boot:spring-boot-starter:jar:2.5.2:compile (version managed from 2.5.2)
org.springframework.boot:spring-boot:jar:2.5.2:compile (version managed from 2.5.2)
org.springframework.boot:spring-boot-autoconfigure:jar:2.5.2:compile (version managed from 2.5.2)
org.springframework.boot:spring-boot-starter-logging:jar:2.5.2:compile (version managed from 2.5.2)
ch.qos.logback:logback-classic:jar:1.2.3:compile (version managed from 1.2.3)
ch.qos.logback:logback-core:jar:1.2.3:compile (version managed from 1.2.3)
org.apache.logging.log4j:log4j-to-slf4j:jar:2.14.1:compile (version managed from 2.14.1)
org.apache.logging.log4j:log4j-api:jar:2.14.1:compile (version managed from 2.14.1)
org.slf4j:jul-to-slf4j:jar:1.7.31:compile (version managed from 1.7.31)
jakarta.annotation:jakarta.annotation-api:jar:1.3.5:compile (version managed from 1.3.5)
org.yaml:snakeyaml:jar:1.28:compile (version managed from 1.28)
org.springframework.boot:spring-boot-starter-json:jar:2.5.2:compile (version managed from 2.5.2)
com.fasterxml.jackson.core:jackson-databind:jar:2.12.3:compile (version managed from 2.12.3)
com.fasterxml.jackson.core:jackson-annotations:jar:2.12.3:compile (version managed from 2.12.3)
com.fasterxml.jackson.core:jackson-core:jar:2.12.3:compile (version managed from 2.12.3)
com.fasterxml.jackson.datatype:jackson-datatype-jdk8:jar:2.12.3:compile (version managed from 2.12.3)
com.fasterxml.jackson.datatype:jackson-datatype-jsr310:jar:2.12.3:compile (version managed from 2.12.3)
com.fasterxml.jackson.module:jackson-module-parameter-names:jar:2.12.3:compile (version managed from 2.12.3)
org.springframework.boot:spring-boot-starter-tomcat:jar:2.5.2:compile (version managed from 2.5.2)
org.apache.tomcat.embed:tomcat-embed-core:jar:9.0.48:compile (version managed from 9.0.48)
org.apache.tomcat.embed:tomcat-embed-el:jar:9.0.48:compile (version managed from 9.0.48)
org.apache.tomcat.embed:tomcat-embed-websocket:jar:9.0.48:compile (version managed from 9.0.48)
org.springframework:spring-web:jar:5.3.8:compile (version managed from 5.3.8)
org.springframework:spring-beans:jar:5.3.8:compile (version managed from 5.3.8)
org.springframework:spring-webmvc:jar:5.3.8:compile (version managed from 5.3.8)
org.springframework:spring-aop:jar:5.3.8:compile (version managed from 5.3.8)
org.springframework:spring-context:jar:5.3.8:compile (version managed from 5.3.8)
org.springframework:spring-expression:jar:5.3.8:compile (version managed from 5.3.8)
org.springframework.boot:spring-boot-starter-test:jar:2.5.2:test
org.springframework.boot:spring-boot-test:jar:2.5.2:test (version managed from 2.5.2)
org.springframework.boot:spring-boot-test-autoconfigure:jar:2.5.2:test (version managed from 2.5.2)
com.jayway.jsonpath:json-path:jar:2.5.0:test (version managed from 2.5.0)
net.minidev:json-smart:jar:2.4.7:test (version managed from 2.3)
net.minidev:accessors-smart:jar:2.4.7:test
org.ow2.asm:asm:jar:9.1:test
org.slf4j:slf4j-api:jar:1.7.31:compile (version managed from 1.7.30)
jakarta.xml.bind:jakarta.xml.bind-api:jar:2.3.3:test (version managed from 2.3.3)
jakarta.activation:jakarta.activation-api:jar:1.2.2:test (version managed from 1.2.2)
org.assertj:assertj-core:jar:3.19.0:test (version managed from 3.19.0)
org.hamcrest:hamcrest:jar:2.2:test (version managed from 2.2)
org.junit.jupiter:junit-jupiter:jar:5.7.2:test (version managed from 5.7.2)
org.junit.jupiter:junit-jupiter-api:jar:5.7.2:test (version managed from 5.7.2)
org.apiguardian:apiguardian-api:jar:1.1.0:test
org.opentest4j:opentest4j:jar:1.2.0:test
org.junit.platform:junit-platform-commons:jar:1.7.2:test (version managed from 1.7.2)
org.junit.jupiter:junit-jupiter-params:jar:5.7.2:test (version managed from 5.7.2)
org.junit.jupiter:junit-jupiter-engine:jar:5.7.2:test (version managed from 5.7.2)
org.junit.platform:junit-platform-engine:jar:1.7.2:test (version managed from 1.7.2)
org.mockito:mockito-core:jar:3.9.0:test (version managed from 3.9.0)
net.bytebuddy:byte-buddy:jar:1.10.22:test (version managed from 1.10.20)
net.bytebuddy:byte-buddy-agent:jar:1.10.22:test (version managed from 1.10.20)
org.objenesis:objenesis:jar:3.2:test
org.mockito:mockito-junit-jupiter:jar:3.9.0:test (version managed from 3.9.0)
org.skyscreamer:jsonassert:jar:1.5.0:test (version managed from 1.5.0)
com.vaadin.external.google:android-json:jar:0.0.20131108.vaadin1:test
org.springframework:spring-core:jar:5.3.8:compile (version managed from 5.3.8)
org.springframework:spring-jcl:jar:5.3.8:compile (version managed from 5.3.8)
org.springframework:spring-test:jar:5.3.8:test (version managed from 5.3.8)
org.xmlunit:xmlunit-core:jar:2.8.2:test (version managed from 2.8.2)

— exec-maven-plugin:1.2.1:exec (default-cli) @ HelloSpring —
Using mirror maven-default-http-blocker (http://0.0.0.0/) for apache.snapshots (http://people.apache.org/repo/m2-snapshot-repository).
Using mirror maven-default-http-blocker (http://0.0.0.0/) for codehaus.snapshots (http://snapshots.repository.codehaus.org).
Using mirror maven-default-http-blocker (http://0.0.0.0/) for snapshots (http://snapshots.maven.codehaus.org/maven2).
Using mirror maven-default-http-blocker (http://0.0.0.0/) for central (http://repo1.maven.org/maven2).
Using mirror maven-default-http-blocker (http://0.0.0.0/) for apache.snapshots (http://repository.apache.org/snapshots).
Dependency collection stats {ConflictMarker.analyzeTime=156600, ConflictMarker.markTime=73200, ConflictMarker.nodeCount=68, ConflictIdSorter.graphTime=77800, ConflictIdSorter.topsortTime=17000, ConflictIdSorter.conflictIdCount=25, ConflictIdSorter.conflictIdCycleCount=0, ConflictResolver.totalTime=601800, ConflictResolver.conflictItemCount=65, DefaultDependencyCollector.collectTime=85743400, DefaultDependencyCollector.transformTime=986900}
org.codehaus.mojo:exec-maven-plugin:jar:1.2.1
org.apache.maven:maven-toolchain:jar:1.0:compile
org.apache.maven:maven-project:jar:2.0.6:compile
org.apache.maven:maven-settings:jar:2.0.6:compile
org.apache.maven:maven-profile:jar:2.0.6:compile
org.apache.maven:maven-plugin-registry:jar:2.0.6:compile
org.apache.maven:maven-model:jar:2.0.6:compile
org.apache.maven:maven-artifact:jar:2.0.6:compile
org.apache.maven:maven-artifact-manager:jar:2.0.6:compile
org.apache.maven:maven-repository-metadata:jar:2.0.6:compile
org.apache.maven:maven-core:jar:2.0.6:compile
org.apache.maven:maven-plugin-parameter-documenter:jar:2.0.6:compile
org.apache.maven.reporting:maven-reporting-api:jar:2.0.6:compile
org.apache.maven.doxia:doxia-sink-api:jar:1.0-alpha-7:compile
org.apache.maven:maven-error-diagnostics:jar:2.0.6:compile
commons-cli:commons-cli:jar:1.0:compile
org.apache.maven:maven-plugin-descriptor:jar:2.0.6:compile
org.codehaus.plexus:plexus-interactivity-api:jar:1.0-alpha-4:compile
org.apache.maven:maven-monitor:jar:2.0.6:compile
classworlds:classworlds:jar:1.1:compile
org.apache.maven:maven-plugin-api:jar:2.0.6:compile
org.codehaus.plexus:plexus-utils:jar:2.0.5:compile
org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9:compile
junit:junit:jar:3.8.2:test (scope managed from default) (version managed from default)
org.apache.commons:commons-exec:jar:1.1:compile
Created new class realm plugin>org.codehaus.mojo:exec-maven-plugin:1.2.1
Importing foreign packages into class realm plugin>org.codehaus.mojo:exec-maven-plugin:1.2.1
Imported: < maven.api
Populating class realm plugin>org.codehaus.mojo:exec-maven-plugin:1.2.1
Included: org.codehaus.mojo:exec-maven-plugin:jar:1.2.1
Included: org.apache.maven.reporting:maven-reporting-api:jar:2.0.6
Included: org.apache.maven.doxia:doxia-sink-api:jar:1.0-alpha-7
Included: commons-cli:commons-cli:jar:1.0
Included: org.codehaus.plexus:plexus-interactivity-api:jar:1.0-alpha-4
Included: org.codehaus.plexus:plexus-utils:jar:2.0.5
Included: org.apache.commons:commons-exec:jar:1.1
Configuring mojo org.codehaus.mojo:exec-maven-plugin:1.2.1:exec from plugin realm ClassRealm[plugin>org.codehaus.mojo:exec-maven-plugin:1.2.1, parent: sun.misc.Launcher$AppClassLoader@55f96302]
Configuring mojo ‘org.codehaus.mojo:exec-maven-plugin:1.2.1:exec’ with basic configurator –>
(f) basedir = C:\Users\Boolean\Documents\NetBeansProjects\HelloSpring\HelloSpring
(f) classpathScope = runtime
(f) commandlineArgs = -classpath %classpath com.example3.HelloSpringApplication
(f) executable = C:\Program Files\Java\jdk1.8.0_111\bin\java.exe
(f) longClasspath = false
(f) project = MavenProject: com.example3:HelloSpring:0.0.1-SNAPSHOT @ C:\Users\Boolean\Documents\NetBeansProjects\HelloSpring\HelloSpring\pom.xml
(f) session = org.apache.maven.execution.MavenSession@1a6f5124
(f) skip = false
— end configuration —
Collected project artifacts [org.springframework.boot:spring-boot-starter-web:jar:2.5.2:compile, org.springframework.boot:spring-boot-starter:jar:2.5.2:compile, org.springframework.boot:spring-boot:jar:2.5.2:compile, org.springframework.boot:spring-boot-autoconfigure:jar:2.5.2:compile, org.springframework.boot:spring-boot-starter-logging:jar:2.5.2:compile, ch.qos.logback:logback-classic:jar:1.2.3:compile, ch.qos.logback:logback-core:jar:1.2.3:compile, org.apache.logging.log4j:log4j-to-slf4j:jar:2.14.1:compile, org.apache.logging.log4j:log4j-api:jar:2.14.1:compile, org.slf4j:jul-to-slf4j:jar:1.7.31:compile, jakarta.annotation:jakarta.annotation-api:jar:1.3.5:compile, org.yaml:snakeyaml:jar:1.28:compile, org.springframework.boot:spring-boot-starter-json:jar:2.5.2:compile, com.fasterxml.jackson.core:jackson-databind:jar:2.12.3:compile, com.fasterxml.jackson.core:jackson-annotations:jar:2.12.3:compile, com.fasterxml.jackson.core:jackson-core:jar:2.12.3:compile, com.fasterxml.jackson.datatype:jackson-datatype-jdk8:jar:2.12.3:compile, com.fasterxml.jackson.datatype:jackson-datatype-jsr310:jar:2.12.3:compile, com.fasterxml.jackson.module:jackson-module-parameter-names:jar:2.12.3:compile, org.springframework.boot:spring-boot-starter-tomcat:jar:2.5.2:compile, org.apache.tomcat.embed:tomcat-embed-core:jar:9.0.48:compile, org.apache.tomcat.embed:tomcat-embed-el:jar:9.0.48:compile, org.apache.tomcat.embed:tomcat-embed-websocket:jar:9.0.48:compile, org.springframework:spring-web:jar:5.3.8:compile, org.springframework:spring-beans:jar:5.3.8:compile, org.springframework:spring-webmvc:jar:5.3.8:compile, org.springframework:spring-aop:jar:5.3.8:compile, org.springframework:spring-context:jar:5.3.8:compile, org.springframework:spring-expression:jar:5.3.8:compile, org.slf4j:slf4j-api:jar:1.7.31:compile, org.springframework:spring-core:jar:5.3.8:compile, org.springframework:spring-jcl:jar:5.3.8:compile]
Collected project classpath [C:\Users\Boolean\Documents\NetBeansProjects\HelloSpring\HelloSpring\target\classes]
dealing with org.springframework.boot:spring-boot-starter-web:jar:2.5.2:compile
dealing with org.springframework.boot:spring-boot-starter:jar:2.5.2:compile
dealing with org.springframework.boot:spring-boot:jar:2.5.2:compile
dealing with org.springframework.boot:spring-boot-autoconfigure:jar:2.5.2:compile
dealing with org.springframework.boot:spring-boot-starter-logging:jar:2.5.2:compile
dealing with ch.qos.logback:logback-classic:jar:1.2.3:compile
dealing with ch.qos.logback:logback-core:jar:1.2.3:compile
dealing with org.apache.logging.log4j:log4j-to-slf4j:jar:2.14.1:compile
dealing with org.apache.logging.log4j:log4j-api:jar:2.14.1:compile
dealing with org.slf4j:jul-to-slf4j:jar:1.7.31:compile
dealing with jakarta.annotation:jakarta.annotation-api:jar:1.3.5:compile
dealing with org.yaml:snakeyaml:jar:1.28:compile
dealing with org.springframework.boot:spring-boot-starter-json:jar:2.5.2:compile
dealing with com.fasterxml.jackson.core:jackson-databind:jar:2.12.3:compile
dealing with com.fasterxml.jackson.core:jackson-annotations:jar:2.12.3:compile
dealing with com.fasterxml.jackson.core:jackson-core:jar:2.12.3:compile
dealing with com.fasterxml.jackson.datatype:jackson-datatype-jdk8:jar:2.12.3:compile
dealing with com.fasterxml.jackson.datatype:jackson-datatype-jsr310:jar:2.12.3:compile
dealing with com.fasterxml.jackson.module:jackson-module-parameter-names:jar:2.12.3:compile
dealing with org.springframework.boot:spring-boot-starter-tomcat:jar:2.5.2:compile
dealing with org.apache.tomcat.embed:tomcat-embed-core:jar:9.0.48:compile
dealing with org.apache.tomcat.embed:tomcat-embed-el:jar:9.0.48:compile
dealing with org.apache.tomcat.embed:tomcat-embed-websocket:jar:9.0.48:compile
dealing with org.springframework:spring-web:jar:5.3.8:compile
dealing with org.springframework:spring-beans:jar:5.3.8:compile
dealing with org.springframework:spring-webmvc:jar:5.3.8:compile
dealing with org.springframework:spring-aop:jar:5.3.8:compile
dealing with org.springframework:spring-context:jar:5.3.8:compile
dealing with org.springframework:spring-expression:jar:5.3.8:compile
dealing with org.slf4j:slf4j-api:jar:1.7.31:compile
dealing with org.springframework:spring-core:jar:5.3.8:compile
dealing with org.springframework:spring-jcl:jar:5.3.8:compile
Toolchains are ignored, ‘executable’ parameter is set to C:\Program Files\Java\jdk1.8.0_111\bin\java.exe
Executing command line: C:\Program Files\Java\jdk1.8.0_111\bin\java.exe -classpath C:\Users\Boolean\Documents\NetBeansProjects\HelloSpring\HelloSpring\target\classes;C:\Users\Boolean\.m2\repository\org\springframework\boot\spring-boot-starter-web\2.5.2\spring-boot-starter-web-2.5.2.jar;C:\Users\Boolean\.m2\repository\org\springframework\boot\spring-boot-starter\2.5.2\spring-boot-starter-2.5.2.jar;C:\Users\Boolean\.m2\repository\org\springframework\boot\spring-boot\2.5.2\spring-boot-2.5.2.jar;C:\Users\Boolean\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\2.5.2\spring-boot-autoconfigure-2.5.2.jar;C:\Users\Boolean\.m2\repository\org\springframework\boot\spring-boot-starter-logging\2.5.2\spring-boot-starter-logging-2.5.2.jar;C:\Users\Boolean\.m2\repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;C:\Users\Boolean\.m2\repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;C:\Users\Boolean\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.14.1\log4j-to-slf4j-2.14.1.jar;C:\Users\Boolean\.m2\repository\org\apache\logging\log4j\log4j-api\2.14.1\log4j-api-2.14.1.jar;C:\Users\Boolean\.m2\repository\org\slf4j\jul-to-slf4j\1.7.31\jul-to-slf4j-1.7.31.jar;C:\Users\Boolean\.m2\repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;C:\Users\Boolean\.m2\repository\org\yaml\snakeyaml\1.28\snakeyaml-1.28.jar;C:\Users\Boolean\.m2\repository\org\springframework\boot\spring-boot-starter-json\2.5.2\spring-boot-starter-json-2.5.2.jar;C:\Users\Boolean\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.12.3\jackson-databind-2.12.3.jar;C:\Users\Boolean\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.12.3\jackson-annotations-2.12.3.jar;C:\Users\Boolean\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.12.3\jackson-core-2.12.3.jar;C:\Users\Boolean\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.12.3\jackson-datatype-jdk8-2.12.3.jar;C:\Users\Boolean\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.12.3\jackson-datatype-jsr310-2.12.3.jar;C:\Users\Boolean\.m2\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.12.3\jackson-module-parameter-names-2.12.3.jar;C:\Users\Boolean\.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\2.5.2\spring-boot-starter-tomcat-2.5.2.jar;C:\Users\Boolean\.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\9.0.48\tomcat-embed-core-9.0.48.jar;C:\Users\Boolean\.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\9.0.48\tomcat-embed-el-9.0.48.jar;C:\Users\Boolean\.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.48\tomcat-embed-websocket-9.0.48.jar;C:\Users\Boolean\.m2\repository\org\springframework\spring-web\5.3.8\spring-web-5.3.8.jar;C:\Users\Boolean\.m2\repository\org\springframework\spring-beans\5.3.8\spring-beans-5.3.8.jar;C:\Users\Boolean\.m2\repository\org\springframework\spring-webmvc\5.3.8\spring-webmvc-5.3.8.jar;C:\Users\Boolean\.m2\repository\org\springframework\spring-aop\5.3.8\spring-aop-5.3.8.jar;C:\Users\Boolean\.m2\repository\org\springframework\spring-context\5.3.8\spring-context-5.3.8.jar;C:\Users\Boolean\.m2\repository\org\springframework\spring-expression\5.3.8\spring-expression-5.3.8.jar;C:\Users\Boolean\.m2\repository\org\slf4j\slf4j-api\1.7.31\slf4j-api-1.7.31.jar;C:\Users\Boolean\.m2\repository\org\springframework\spring-core\5.3.8\spring-core-5.3.8.jar;C:\Users\Boolean\.m2\repository\org\springframework\spring-jcl\5.3.8\spring-jcl-5.3.8.jar com.example3.HelloSpringApplication

. ____ _ __ _ _
/\\ / ___’_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | ‘_ | ‘_| | ‘_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
‘ |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.5.2)

2021-07-17 08:22:24.456 INFO 9704 — [ main] com.example3.HelloSpringApplication : Starting HelloSpringApplication using Java 1.8.0_111 on DESKTOP-NMAS1I1 with PID 9704 (C:\Users\Boolean\Documents\NetBeansProjects\HelloSpring\HelloSpring\target\classes started by Boolean in C:\Users\Boolean\Documents\NetBeansProjects\HelloSpring\HelloSpring)
2021-07-17 08:22:24.456 INFO 9704 — [ main] com.example3.HelloSpringApplication : No active profile set, falling back to default profiles: default
2021-07-17 08:22:25.503 INFO 9704 — [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2021-07-17 08:22:25.503 INFO 9704 — [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2021-07-17 08:22:25.503 INFO 9704 — [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.48]
2021-07-17 08:22:25.581 INFO 9704 — [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2021-07-17 08:22:25.581 INFO 9704 — [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1078 ms
2021-07-17 08:22:25.971 WARN 9704 — [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization – cancelling refresh attempt: org.springframework.context.ApplicationContextException: Failed to start bean ‘webServerStartStop’; nested exception is org.springframework.boot.web.server.PortInUseException: Port 8080 is already in use
2021-07-17 08:22:25.971 INFO 9704 — [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2021-07-17 08:22:25.987 INFO 9704 — [ main] ConditionEvaluationReportLoggingListener :

Error starting ApplicationContext. To display the conditions report re-run your application with ‘debug’ enabled.
2021-07-17 08:22:26.003 ERROR 9704 — [ main] o.s.b.d.LoggingFailureAnalysisReporter :

***************************
APPLICATION FAILED TO START
***************************

Description:

Web server failed to start. Port 8080 was already in use.

Action:

Identify and stop the process that’s listening on port 8080 or configure this application to listen on another port.

————————————————————————
BUILD FAILURE
————————————————————————
Total time: 4.688 s
Finished at: 2021-07-17T08:22:26+05:30
————————————————————————
Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (default-cli) on project HelloSpring: Command execution failed.: Process exited with an error: 1 (Exit value: 1) -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (default-cli) on project HelloSpring: Command execution failed.
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:215)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:498)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: org.apache.maven.plugin.MojoExecutionException: Command execution failed.
at org.codehaus.mojo.exec.ExecMojo.execute (ExecMojo.java:362)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:498)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: org.apache.commons.exec.ExecuteException: Process exited with an error: 1 (Exit value: 1)
at org.apache.commons.exec.DefaultExecutor.executeInternal (DefaultExecutor.java:377)
at org.apache.commons.exec.DefaultExecutor.execute (DefaultExecutor.java:160)
at org.codehaus.mojo.exec.ExecMojo.executeCommandLine (ExecMojo.java:610)
at org.codehaus.mojo.exec.ExecMojo.execute (ExecMojo.java:352)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:498)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)

For more information about the errors and possible solutions, please read the following articles:
[Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

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>2.5.2</version>
<relativePath/> <!– lookup parent from repository –>
</parent>
<groupId>com.example3</groupId>
<artifactId>HelloSpring</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>HelloSpring</name>
<description>Demo project for Spring Boot3</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>

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

<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>

</project>

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