从java servlet插入到mysql，insert语句不起作用

我已经做了几个小时了，一直在谷歌上搜索，我似乎无法解决这个问题

当我运行代码时，我得到一个异常，stacktrace的顶部告诉我有一个sql语法错误，但我无法发现它

我已经尝试了几种解决方案，但我仍然在画空白，任何帮助都是感激的

谢谢 彼得

编辑：删除了分号，仍然得到相同的错误

堆栈跟踪：

statementcom.mysql.jdbc.exceptions.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?, ?, ?, ?, ?)' at line 1
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:936)
 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2985)
 at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631)
 at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)
 at com.mysql.jdbc.Connection.execSQL(Connection.java:3277)
 at com.mysql.jdbc.Statement.executeUpdate(Statement.java:1402)
 at com.mysql.jdbc.Statement.executeUpdate(Statement.java:1317)
 at SimpleServlet.insertBookingKnownUser(SimpleServlet.java:227)
 at SimpleServlet.doGet(SimpleServlet.java:81)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
 at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
 at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
 at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
 at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at java.lang.Thread.run(Thread.java:724)

---

您必须调用

statement.executeUpdate（）

，而不是

statement.executeUpdate（queryString）

---

调用

executeUpdate（）

时，它会考虑之前在语句中设置的参数，但调用

executeUpdate（字符串s）

时，它只执行给定的查询，而不执行设置的参数。

删除

从语句末尾删除了它，但仍然得到相同的例外可以发布stacktrace吗？可能您的列名之一不正确。我们需要stacktrace来检查它是否已发布，感谢您抽出时间发布！非常感谢，我之前没有尝试过，不知道从那以后发生了什么变化，但感谢您抽出时间！
statementcom.mysql.jdbc.exceptions.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?, ?, ?, ?, ?)' at line 1
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:936)
 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2985)
 at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631)
 at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)
 at com.mysql.jdbc.Connection.execSQL(Connection.java:3277)
 at com.mysql.jdbc.Statement.executeUpdate(Statement.java:1402)
 at com.mysql.jdbc.Statement.executeUpdate(Statement.java:1317)
 at SimpleServlet.insertBookingKnownUser(SimpleServlet.java:227)
 at SimpleServlet.doGet(SimpleServlet.java:81)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
 at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
 at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
 at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
 at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at java.lang.Thread.run(Thread.java:724)