maven 程序包org.junit不存在

[INFO] Scanning for projects...
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[INFO] Building user-core 0.0.1-SNAPSHOT
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[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ user-core ---
[INFO] Deleting D:\use_soft\eclipse\workspace\user-core\target
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[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ user-core ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
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[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ user-core ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 7 source files to D:\use_soft\eclipse\workspace\user-core\target\classes
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[ERROR] COMPILATION ERROR :
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[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[17,17] 程序包org.junit不存在
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[18,17] 程序包org.junit不存在
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[19,17] 程序包org.junit不存在
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[3,17] 程序包org.junit不存在
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[25,12] 找不到符號
  符號:   類 BeforeClass
  位置: 類 zttc.itat.user.util.AbstractDbUnitTestCase
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[63,12] 找不到符號
  符號:   類 AfterClass
  位置: 類 zttc.itat.user.util.AbstractDbUnitTestCase
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[32,13] 找不到符號
  符號:   變量 Assert
  位置: 類 zttc.itat.user.util.AbstractDbUnitTestCase
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[11,13] 找不到符號
  符號:   變量 Assert
  位置: 類 zttc.itat.user.util.EntitiesHelper
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[12,13] 找不到符號
  符號:   變量 Assert
  位置: 類 zttc.itat.user.util.EntitiesHelper
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[13,13] 找不到符號
  符號:   變量 Assert
  位置: 類 zttc.itat.user.util.EntitiesHelper
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[14,13] 找不到符號
  符號:   變量 Assert
  位置: 類 zttc.itat.user.util.EntitiesHelper
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[15,13] 找不到符號
  符號:   變量 Assert
  位置: 類 zttc.itat.user.util.EntitiesHelper
[INFO] 12 errors
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[INFO] BUILD FAILURE
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[INFO] Total time: 2.003 s
[INFO] Finished at: 2015-10-23T15:32:32+08:00
[INFO] Final Memory: 17M/179M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project user-core: Compilation failure: Compilation failure:
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[17,17] 程序包org.junit不存在
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[18,17] 程序包org.junit不存在
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[19,17] 程序包org.junit不存在
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[3,17] 程序包org.junit不存在
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[25,12] 找不到符號
[ERROR] 符號:   類 BeforeClass
[ERROR] 位置: 類 zttc.itat.user.util.AbstractDbUnitTestCase
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[63,12] 找不到符號
[ERROR] 符號:   類 AfterClass
[ERROR] 位置: 類 zttc.itat.user.util.AbstractDbUnitTestCase
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/AbstractDbUnitTestCase.java:[32,13] 找不到符號
[ERROR] 符號:   變量 Assert
[ERROR] 位置: 類 zttc.itat.user.util.AbstractDbUnitTestCase
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[11,13] 找不到符號
[ERROR] 符號:   變量 Assert
[ERROR] 位置: 類 zttc.itat.user.util.EntitiesHelper
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[12,13] 找不到符號
[ERROR] 符號:   變量 Assert
[ERROR] 位置: 類 zttc.itat.user.util.EntitiesHelper
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[13,13] 找不到符號
[ERROR] 符號:   變量 Assert
[ERROR] 位置: 類 zttc.itat.user.util.EntitiesHelper
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[14,13] 找不到符號
[ERROR] 符號:   變量 Assert
[ERROR] 位置: 類 zttc.itat.user.util.EntitiesHelper
[ERROR] /D:/use_soft/eclipse/workspace/user-core/src/main/java/zttc/itat/user/util/EntitiesHelper.java:[15,13] 找不到符號
[ERROR] 符號:   變量 Assert
[ERROR] 位置: 類 zttc.itat.user.util.EntitiesHelper
[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


解決：

    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.10</version>
      <scope>test</scope>
    </dependency>

  改成

    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.10</version>
    </dependency>