Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '

org.springframework.dao.DuplicateKeyException: SqlMapClient operation; SQL [];  
--- The error occurred while applying a parameter map. 
--- Check the LanagerVO.ibatorgenerated_insertSelective-InlineParameterMap. 
--- Check the statement (update failed). 
--- Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '0' for key 1; nested exception is com.ibatis.common.jdbc.exception.NestedSQLException:  
--- The error occurred while applying a parameter map. 
--- Check the LanagerVO.ibatorgenerated_insertSelective-InlineParameterMap. 
--- Check the statement (update failed). 
--- Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '0' for key 1
 at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:241)
 at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:72)
 at org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:203)
 at org.springframework.orm.ibatis.SqlMapClientTemplate.insert(SqlMapClientTemplate.java:364)
 at com.yauuu.dragon.common.dao.BaseDAO.insertSelective(BaseDAO.java:88)
 at com.yauuu.dragon.common.service.BaseService.insertSelective(BaseService.java:32)
 at com.yauuu.dragon.base.service.LanagerServiceTest.testInsertSelective(LanagerServiceTest.java:68)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:597)
 at org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99)
 at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81)
 at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
 at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75)
 at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45)
 at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:66)
 at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35)
 at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42)
 at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
 at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52)
 at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
 at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: com.ibatis.common.jdbc.exception.NestedSQLException:  
--- The error occurred while applying a parameter map. 
--- Check the LanagerVO.ibatorgenerated_insertSelective-InlineParameterMap. 
--- Check the statement (update failed). 
--- Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationExcepti