maven package 报错， 大神帮忙看下，多谢！！！

Question

[INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ zhongjian-bns-webapp ---

[INFO] Changes detected - recompiling the module!

[INFO] Compiling 156 source files to D:My_Prozhongjian-bnszhongjian-bns-webappsrcmainwebappWEB-INFclasses

致命错误: 在类路径或引导类路径中找不到程序包 java.lang

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

[ERROR] COMPILATION ERROR : 

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

[ERROR] An unknown compilation problem occurred

[INFO] 1 error

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

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

[INFO] BUILD FAILURE

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

[INFO] Total time: 32.138 s

[INFO] Finished at: 2015-10-10T12:56:14+08:00

[INFO] Final Memory: 24M/127M

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

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.2:compile (default-compile) on project zhongjian-bns-webapp: Compilation failure

[ERROR] An unknown compilation problem occurred

[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

Answer 1

还是不行

Answer 2

回复
先执行clean，然后删了重新导入试试。

Answer 3

回复
对啊 ， 我这么弄的！ 就是不知道这个错主要是什么原因导致的

Answer 4

  我的建议是先从工作空间移除项目，然后重新导入一次。

Answer 5

从新运行??

Answer 6

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