Caused by: java.sql.SQLException: Field 'id' doesn't have a default value

1、错误描述

org.hibernate.exception.GenericJDBCException: error executing work
	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54)
	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:126)
	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:112)
	at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.coordinateWork(JdbcCoordinatorImpl.java:318)
	at org.hibernate.internal.SessionImpl.doWork(SessionImpl.java:2059)
	at org.hibernate.internal.SessionImpl.doReturningWork(SessionImpl.java:2055)
	at com.skycloud.oa.base.dao.impl.BaseDaoImpl.executeQuery(BaseDaoImpl.java:137)
	at com.skycloud.oa.task.dao.impl.TaskTimeDaoImpl.addTaskData(TaskTimeDaoImpl.java:59)
	at com.skycloud.oa.test.task.dao.TaskTimeDaoTest.testAddTaskData(TaskTimeDaoTest.java:71)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:233)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:176)
	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:459)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.sql.SQLException: Field 'id' doesn't have a default value
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1074)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4074)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4006)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2468)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719)
	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
	at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2318)
	at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:92)
	at com.skycloud.oa.base.dao.impl.BaseDaoImpl$2.execute(BaseDaoImpl.java:147)
	at com.skycloud.oa.base.dao.impl.BaseDaoImpl$2.execute(BaseDaoImpl.java:1)
	at org.hibernate.jdbc.WorkExecutor.executeReturningWork(WorkExecutor.java:72)
	at org.hibernate.internal.SessionImpl$3.accept(SessionImpl.java:2052)
	at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.coordinateWork(JdbcCoordinatorImpl.java:313)
	... 33 more

2、错误原因

     由于id在数据库表中是作为主键，但是在插入的过程中，没有给予数值，并且没有让其自增

3、解决办法

     修改数据库表中的id，让其自增（在插入的过程中，不插入id数据时）