解决Maven导出war包失败

水深无声 2022-05-20 08:05 214阅读 0赞

Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project HR: Compilation failure  
\[ERROR\] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?  
\[ERROR\] -> \[Help 1\]  
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project HR: Compilation failure  
No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?  
  
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:213)  
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:154)  
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:146)  
    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:956)  
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:290)  
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:194)  
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)  
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)  
    at java.lang.reflect.Method.invoke(Unknown Source)  
    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  
No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?  
  
    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:137)  
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)

... 20 more

解决办法：

在eclipse中，选择window→preference→java→Installed JREs 点add添加你的jdk路径，选jdk而不是jre,之前的报错原因就出在这里。

然后右键你的maven工程，在maven中点击update project，然后maven clean,install 一下就好了。