java.sql.SQLException: Field 'ReviewId' doesn't have a default value

java.sql.SQLException: Field 'ReviewId' doesn't have a default value 这到底是怎么回事，跪求答案，！

2012-05-10 09:01  提问者悬赏： 10分  |  汪晨004  |  分类：英语考试  |  浏览1465次

出错啦
java.sql.SQLException: Field 'ReviewId' doesn't have a default value
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:946)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2870)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
	at com.mysql.jdbc.ServerPreparedStatement.serverExecute(ServerPreparedStatement.java:1169)
	at com.mysql.jdbc.ServerPreparedStatement.executeInternal(ServerPreparedStatement.java:693)
	at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1404)
	at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1318)
	at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1303)
	at dao.ReviewDAO.insert(ReviewDAO.java:33)
	at servlet.AddReviewServlet.doGet(AddReviewServlet.java:31)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Thread.java:619)

我会一直在线等哈！

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2012-05-10 09:20 网友采纳

你的问题我推测有两种情况：
   1，如果 ReviewId 为你的一个表的主键，你应该把它设置成自动增长类型
   2，如果为非主键你需要把它设置成允许为空或者附默认值
具体操作可以查看mysql相关数据的操作：
ALTER TABLE 表名 MODIFY ReviewId BIGINT NOT NULL AUTO_INCREMENT PRIMARY