打包不成功

[INFO] Scanning for projects...

[INFO] 

[INFO] ------------------------< com.zqq:maven-first >-------------------------

[INFO] Building maven-first 1.0.0-RELEASE

[INFO] --------------------------------[ jar ]---------------------------------

[INFO] 

[INFO] >>> maven-assembly-plugin:2.5.5:assembly (default-cli) > package @ maven-first >>>

[INFO] 

[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ maven-first ---

[WARNING] Using platform encoding (GBK actually) to copy filtered resources, i.e. build is platform dependent!

[INFO] Copying 0 resource

[INFO] 

[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ maven-first ---

[INFO] Changes detected - recompiling the module!

[WARNING] File encoding has not been set, using platform encoding GBK, i.e. build is platform dependent!

[INFO] Compiling 1 source file to D:\eclipse-workspace\maven-first\target\classes

[INFO] -------------------------------------------------------------

[ERROR] COMPILATION ERROR : 

[INFO] -------------------------------------------------------------

[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

[INFO] 1 error

[INFO] -------------------------------------------------------------

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time:  1.558 s

[INFO] Finished at: 2019-12-17T15:23:51+08:00

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project maven-first: Compilation failure

[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

[ERROR] -> [Help 1]

[ERROR] 

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR] 

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException