java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Unsupported data conversion.

Coderanch | Darren Alexandria | 10 years ago
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  1. 0

    Unsupported data conversion

    Coderanch | 10 years ago | Darren Alexandria
    java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Unsupported data conversion.
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    JDBC & WAVE FILES

    Oracle Community | 1 decade ago | 843859
    java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Unsupported data conversion.
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    Bug 184532 – [connector] Generic SQL connector

    eclipse.org | 2 years ago
    java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Unsupported data conversion.
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    java.sql.SQLException: No value specified for parameter 1解决办法_IT知识问答_希赛网

    educity.cn | 2 years ago
    java.sql.SQLException: No value specified for parameter 1 代码如下 public boolean login(UserInfo user)throws Exception{ //用户登录 boolean flag=false; int userNo=Integer.parseInt(user.getUserNo()); String password=user.getPassword(); //测试是否从现在的user对象中取到了值 System.out.println(userNo+"我是USER对象的userNo"); System.out.println(password+"我是USER对象的password"); DatabaseConnection dbc=new DatabaseConnection();//取得数据库连接和关闭对象; try{ String sql="SELECT userNo FROM userInfo where userNo= and password= "; this.conn=dbc.getConnection(); this.pst=conn.prepareStatement(sql); //this.pst.setInt(1, userNo);//给sql中参数赋值 this.pst.setLong(1, userNo); this.pst.setString(2, password); ResultSet rs=pst.executeQuery(); if(rs.next()){//传入用户账号和对应的密码都存在时为真 flag=true; System.out.println(rs.getString(userNo)+"我是从数据库里取出来的"); System.out.print(flag+"测试flag");//测试flag,看是否进入了if里面,true则进入了 rs.close(); } }catch(Exception e){ e.printStackTrace(); }finally{ if(this.pst!=null){ this.pst.close(); } this.conn.close(); } return flag; } 报的错误信息如:
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    java.sql.SQLException: No suitable driver - Toolbox for IT Groups

    ittoolbox.com | 9 months ago
    java.sql.SQLException: No suitable driver at java.sql.DriverManager.getConnection(DriverManager .java:545) at java.sql.DriverManager.getConnection(DriverManager .java:171) at com.stc.sql.framework.jdbc.DBConnectionFactory.cre ateConnection(DBConnectionFactory.java:372) at com.stc.sql.framework.jdbc.DBConnectionFactory.get Connection(DBConnectionFactory.java:281) at com.stc.etl.engine.impl.SimpleTask.getConnection(S impleTask.java:254) at com.stc.etl.engine.impl.Extractor.getSelectData(Ex tractor.java:376) at com.stc.etl.engine.impl.Extractor.process(Extracto r.java:190) at com.stc.etl.engine.impl.ETLTaskThread.run(ETLTaskT hread.java:147)

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    Root Cause Analysis

    1. java.sql.SQLException

      [Microsoft][SQLServer 2000 Driver for JDBC]Unsupported data conversion.

      at com.microsoft.jdbc.base.BaseExceptions.createException()
    2. com.microsoft.jdbc
      BaseResultSet.getBlob
      1. com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
      2. com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
      3. com.microsoft.jdbc.base.BaseData.unsupportedConversion(Unknown Source)
      4. com.microsoft.jdbc.base.BaseData.getBlob(Unknown Source)
      5. com.microsoft.jdbc.base.BaseResultSet.getBlob(Unknown Source)
      5 frames
    3. org.apache.jsp
      viewBlob_jsp._jspService
      1. org.apache.jsp.viewBlob_jsp._jspService(viewBlob_jsp.java:106)
      1 frame
    4. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
      1 frame
    5. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
      1 frame
    6. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
      3 frames
    7. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
      1 frame
    8. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
      5. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
      6. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
      7. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
      8. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
      8 frames
    9. Grizzly HTTP
      LeaderFollowerWorkerThread.runIt
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
      2. org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
      3. org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
      4. org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
      4 frames
    10. Tomcat Util
      ThreadPool$ControlRunnable.run
      1. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
      1 frame
    11. Java RT
      Thread.run
      1. java.lang.Thread.run(Unknown Source)
      1 frame