Paket org.springframework.boot existiert nicht ⇐ Java

[Anonymous]

Ich versuche, ein kleines Basis-Spring-Boot-Programm auf meinem Computer auszuführen, und wenn ich Clean Compile < /code> (noch vor dem Versuch Spring-Boot: Run) auf Maven ausführe, erhalte ich den folgenden Fehler: < /p>

[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /C:/Users/hbenayed/eclipse-workspace/SpringBootPoc/src/main/java/com/benayed/spboot/poc/SpringBootPoc/SpringBootPocApplication.java:[3,32] package org.springframework.boot does not exist
[ERROR] /C:/Users/hbenayed/eclipse-workspace/SpringBootPoc/src/main/java/com/benayed/spboot/poc/SpringBootPoc/SpringBootPocApplication.java:[4,46] package org.springframework.boot.autoconfigure does not exist
[ERROR] /C:/Users/hbenayed/eclipse-workspace/SpringBootPoc/src/main/java/com/benayed/spboot/poc/SpringBootPoc/SpringBootPocApplication.java:[6,2] cannot find symbol
symbol: class SpringBootApplication
[ERROR] /C:/Users/hbenayed/eclipse-workspace/SpringBootPoc/src/main/java/com/benayed/spboot/poc/SpringBootPoc/SpringBootPocApplication.java:[10,17] cannot find symbol
symbol: variable SpringApplication
location: class com.benayed.spboot.poc.SpringBootPoc.SpringBootPocApplication
[INFO] 4 errors
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 14.807 s
[INFO] Finished at: 2018-02-18T03:28:24+01:00
[INFO] Final Memory: 19M/167M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project SpringBootPoc: Compilation failure: Compilation failure:
[ERROR] /C:/Users/hbenayed/eclipse-workspace/SpringBootPoc/src/main/java/com/benayed/spboot/poc/SpringBootPoc/SpringBootPocApplication.java:[3,32] package org.springframework.boot does not exist
[ERROR] /C:/Users/hbenayed/eclipse-workspace/SpringBootPoc/src/main/java/com/benayed/spboot/poc/SpringBootPoc/SpringBootPocApplication.java:[4,46] package org.springframework.boot.autoconfigure does not exist
[ERROR] /C:/Users/hbenayed/eclipse-workspace/SpringBootPoc/src/main/java/com/benayed/spboot/poc/SpringBootPoc/SpringBootPocApplication.java:[6,2] cannot find symbol
[ERROR] symbol: class SpringBootApplication
[ERROR] /C:/Users/hbenayed/eclipse-workspace/SpringBootPoc/src/main/java/com/benayed/spboot/poc/SpringBootPoc/SpringBootPocApplication.java:[10,17] cannot find symbol
[ERROR] symbol: variable SpringApplication
[ERROR] location: class com.benayed.spboot.poc.SpringBootPoc.SpringBootPocApplication
[ERROR] -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project SpringBootPoc: Compilation failure
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
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:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.compiler.CompilationFailureException: Compilation failure
at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:858)
at org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.java:129)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
... 20 more
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/disp ... eException
< /code>

Hier ist mein pom.xml: < /p>



4.0.0

com.benayed.spboot.poc
SpringBootPoc
0.0.1-SNAPSHOT
jar

SpringBootPoc
Demo project for Spring Boot


org.springframework.boot
spring-boot-starter-parent
1.5.10.RELEASE




UTF-8
UTF-8
1.8









org.springframework.boot
spring-boot-starter-test
test






org.springframework.boot
spring-boot-maven-plugin




< /code>

Und hier ist meine Java -Klasse: < /p>

package com.benayed.spboot.poc.SpringBootPoc;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class SpringBootPocApplication {

public static void main(String[] args) {
SpringApplication.run(SpringBootPocApplication.class, args);
}

}
< /code>

Ich habe viele Lösungen ausprobiert, die ich im Internet finden konnte, z.>