连接数据库报“You have an error in your SQL syntax”异常的解决

转自VC错误:http://www.vcerror.com/?p=1708

问题描述：

在做一个博客系统的过程中，使用连接池连接数据库时出现问题。使用的是Mysql数据库，向数据库中插入数据时出错，错误提示如下：

com.mysql.jdbc.exceptions.jdbc4.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 '?,?,?,now())' at line 1at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)at java.lang.reflect.Constructor.newInstance(Constructor.java:513)at
com.mysql.jdbc.Util.handleNewInstance(Util.java:409)at com.mysql.jdbc.Util.getInstance(Util.java:384)at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1054)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3566)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3498)at
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1959)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2113)at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2562)at com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1664)at com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1583)at
org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeUpdate(DelegatingStatement.java:228)at org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeUpdate(DelegatingStatement.java:228)at com.chenzheng.blog.BlogServlet.doPost(BlogServlet.java:52)at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)at
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:861)at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)at
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1584)at java.lang.Thread.run(Thread.java:619)

涉及的程序代码如下：

解决方法：

具体的解决方法参考文章:http://www.vcerror.com/?p=1708