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列位置“0”超出范围。此 ResultSet 的列数为“3”

发布于 2024-12-17 06:39:35 字数 10977 浏览 2 评论 0原文

在之前的一段代码中，我收到了与标题中列出的完全相同的错误。

我的代码中有一个用户名验证器，但忘记包含以下代码：

password =ESAPI.validator().getValidInput("Login password", password, "Password", 20, false);

添加后我解决了问题。

现在，在我的下一个 java 页面中，我遇到了同样的问题并查看了代码，但无法找到我缺少的内容（如果我实际上缺少某些内容）。

我正在处理的另一段代码也遇到了同样的错误，并且能够解决它，因为我忘记了包含另一行代码。

然而，对于这段代码，我已经检查了好几次了，但无法弄清楚它有什么问题。

这是代码：

    package com.tunestore.action;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.util.MessageResources;
import org.owasp.esapi.ESAPI;

import com.tunestore.util.IWithDataSource;

public class RegisterAction extends Action implements IWithDataSource {
  private DataSource dataSource;

  public void setDataSource(DataSource dataSource) {
    this.dataSource = dataSource;
  }

  public ActionForward execute(ActionMapping mapping, ActionForm form,
      HttpServletRequest request, HttpServletResponse response)
      throws Exception {
    DynaActionForm daf = (DynaActionForm)form;
    ActionMessages errors = new ActionMessages();
    ActionForward forward = mapping.getInputForward();
    MessageResources resources = getResources(request);


    //ESAPI START
    if (!ESAPI.validator().isValidInput("Register username", daf.getString("username"), "SafeString", 20, false)) {
    //ESAPI END


      errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("errors.required", resources.getMessage("prompt.username")));
    }


    //ESAPI START
    if (!ESAPI.validator().isValidInput("Register password", daf.getString("password"), "password", 20, false)) {
    //ESAPI END


      errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("errors.required", resources.getMessage("prompt.password")));
    }


    //ESAPI START
    if (!ESAPI.validator().isValidInput("Register confirm password", daf.getString("rptpass"), "password", 20, false)) {
    //ESAPI END 


      errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("errors.required", resources.getMessage("prompt.rpt")));
    }
    if ((null != daf.getString("password")) && (null != daf.getString("rptpass"))) {
      if (! daf.getString("password").equals(daf.getString("rptpass"))) {
        errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("error.rptpass.nomatch"));
      }
    }

    Connection conn = null;
    try {
      conn = dataSource.getConnection();
      Statement stmt = conn.createStatement();
      ResultSet rs = stmt.executeQuery("SELECT COUNT(*) USERCNT "
          + "FROM TUNEUSER "
          + "WHERE USERNAME = '"
          + daf.getString("username")
          + "'");
      rs.next();
      if (rs.getInt("USERCNT") > 0) {
        errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("error.user.exists"));
      } else if (errors.isEmpty()) {



          //ESAPI START
          String sql = "INSERT INTO TUNEUSER (USERNAME,PASSWORD,BALANCE) VALUES (?, ?, ?)";
          PreparedStatement pStmt = conn.prepareStatement(sql);
          pStmt.setString(0, daf.getString("username"));
          pStmt.setString(1, daf.getString("password"));
          pStmt.setDouble(2, 0.00);
          pStmt.executeUpdate();
          //ESAPI END



        ActionMessages msgs = getMessages(request);
        msgs.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("user.added"));
        forward = mapping.findForward("success");
      }
    } catch (Exception e) {
      e.printStackTrace();
      throw e;
    } finally {
      if (conn != null) {
        try { conn.close(); } catch (Exception e) {}
      }
    }

    request.setAttribute("ERRORS.REGISTER", errors);
    return forward;
  }
}

该代码用于注册表单。当有人尝试注册时，会返回以下错误。

    java.sql.SQLException: The column position '0' is out of range.  The number of columns for this ResultSet is '3'.
    at org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(Unknown Source)
    at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
    at org.apache.derby.client.am.ColumnMetaData.getColumnType(Unknown Source)
    at org.apache.derby.client.am.PreparedStatement.setString(Unknown Source)
    at org.apache.commons.dbcp.DelegatingPreparedStatement.setString(DelegatingPreparedStatement.java:132)
    at com.tunestore.action.RegisterAction.execute(RegisterAction.java:90)
    at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)
    at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
    at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
    at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
    at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
    at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
    at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
    at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at com.tunestore.servlet.PersistenceFilter.doFilter(PersistenceFilter.java:77)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:244)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:108)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:558)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:379)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:259)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:281)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.derby.client.am.SqlException: The column position '0' is out of range.  The number of columns for this ResultSet is '3'.
    at org.apache.derby.client.am.ColumnMetaData.checkForValidColumnIndex(Unknown Source)
    ... 34 more



ROOT CAUSE
org.apache.derby.client.am.SqlException: The column position '0' is out of range.  The number of columns for this ResultSet is '3'.
    at org.apache.derby.client.am.ColumnMetaData.checkForValidColumnIndex(Unknown Source)
    at org.apache.derby.client.am.ColumnMetaData.getColumnType(Unknown Source)
    at org.apache.derby.client.am.PreparedStatement.setString(Unknown Source)
    at org.apache.commons.dbcp.DelegatingPreparedStatement.setString(DelegatingPreparedStatement.java:132)
    at com.tunestore.action.RegisterAction.execute(RegisterAction.java:90)
    at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)
    at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
    at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
    at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
    at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
    at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
    at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
    at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at com.tunestore.servlet.PersistenceFilter.doFilter(PersistenceFilter.java:77)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:244)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:108)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:558)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:379)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:259)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:281)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

该错误似乎指向我的代码的第 90 行，即：

pStmt.setString(0, daf.getString("username"));

然而这行代码对我来说看起来是正确的。我可能会错过什么？

原文

In a previous piece of code I received the exact same error I listed in the title.

I had a username validator in my code but forgot to include the following code:

password =ESAPI.validator().getValidInput("Login password", password, "Password", 20, false);

After adding that I resolved the issue.

Now in my next java page I have run into the same problem and reviewed the code and have not been able to find what I am missing, if I am in fact missing something.

I had this same error with another piece of code I was working on and was able to resolve it as I had forgot to include another line of code.

For this piece of code however I have gone over it several times and cannot figure what is wrong with it.

Here is the code:

    package com.tunestore.action;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.util.MessageResources;
import org.owasp.esapi.ESAPI;

import com.tunestore.util.IWithDataSource;

public class RegisterAction extends Action implements IWithDataSource {
  private DataSource dataSource;

  public void setDataSource(DataSource dataSource) {
    this.dataSource = dataSource;
  }

  public ActionForward execute(ActionMapping mapping, ActionForm form,
      HttpServletRequest request, HttpServletResponse response)
      throws Exception {
    DynaActionForm daf = (DynaActionForm)form;
    ActionMessages errors = new ActionMessages();
    ActionForward forward = mapping.getInputForward();
    MessageResources resources = getResources(request);


    //ESAPI START
    if (!ESAPI.validator().isValidInput("Register username", daf.getString("username"), "SafeString", 20, false)) {
    //ESAPI END


      errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("errors.required", resources.getMessage("prompt.username")));
    }


    //ESAPI START
    if (!ESAPI.validator().isValidInput("Register password", daf.getString("password"), "password", 20, false)) {
    //ESAPI END


      errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("errors.required", resources.getMessage("prompt.password")));
    }


    //ESAPI START
    if (!ESAPI.validator().isValidInput("Register confirm password", daf.getString("rptpass"), "password", 20, false)) {
    //ESAPI END 


      errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("errors.required", resources.getMessage("prompt.rpt")));
    }
    if ((null != daf.getString("password")) && (null != daf.getString("rptpass"))) {
      if (! daf.getString("password").equals(daf.getString("rptpass"))) {
        errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("error.rptpass.nomatch"));
      }
    }

    Connection conn = null;
    try {
      conn = dataSource.getConnection();
      Statement stmt = conn.createStatement();
      ResultSet rs = stmt.executeQuery("SELECT COUNT(*) USERCNT "
          + "FROM TUNEUSER "
          + "WHERE USERNAME = '"
          + daf.getString("username")
          + "'");
      rs.next();
      if (rs.getInt("USERCNT") > 0) {
        errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("error.user.exists"));
      } else if (errors.isEmpty()) {



          //ESAPI START
          String sql = "INSERT INTO TUNEUSER (USERNAME,PASSWORD,BALANCE) VALUES (?, ?, ?)";
          PreparedStatement pStmt = conn.prepareStatement(sql);
          pStmt.setString(0, daf.getString("username"));
          pStmt.setString(1, daf.getString("password"));
          pStmt.setDouble(2, 0.00);
          pStmt.executeUpdate();
          //ESAPI END



        ActionMessages msgs = getMessages(request);
        msgs.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("user.added"));
        forward = mapping.findForward("success");
      }
    } catch (Exception e) {
      e.printStackTrace();
      throw e;
    } finally {
      if (conn != null) {
        try { conn.close(); } catch (Exception e) {}
      }
    }

    request.setAttribute("ERRORS.REGISTER", errors);
    return forward;
  }
}

The code is for a registration form. When someone tries to register though the following error is given in return.

    java.sql.SQLException: The column position '0' is out of range.  The number of columns for this ResultSet is '3'.
    at org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(Unknown Source)
    at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
    at org.apache.derby.client.am.ColumnMetaData.getColumnType(Unknown Source)
    at org.apache.derby.client.am.PreparedStatement.setString(Unknown Source)
    at org.apache.commons.dbcp.DelegatingPreparedStatement.setString(DelegatingPreparedStatement.java:132)
    at com.tunestore.action.RegisterAction.execute(RegisterAction.java:90)
    at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)
    at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
    at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
    at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
    at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
    at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
    at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
    at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at com.tunestore.servlet.PersistenceFilter.doFilter(PersistenceFilter.java:77)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:244)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:108)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:558)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:379)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:259)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:281)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.derby.client.am.SqlException: The column position '0' is out of range.  The number of columns for this ResultSet is '3'.
    at org.apache.derby.client.am.ColumnMetaData.checkForValidColumnIndex(Unknown Source)
    ... 34 more



ROOT CAUSE
org.apache.derby.client.am.SqlException: The column position '0' is out of range.  The number of columns for this ResultSet is '3'.
    at org.apache.derby.client.am.ColumnMetaData.checkForValidColumnIndex(Unknown Source)
    at org.apache.derby.client.am.ColumnMetaData.getColumnType(Unknown Source)
    at org.apache.derby.client.am.PreparedStatement.setString(Unknown Source)
    at org.apache.commons.dbcp.DelegatingPreparedStatement.setString(DelegatingPreparedStatement.java:132)
    at com.tunestore.action.RegisterAction.execute(RegisterAction.java:90)
    at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)
    at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
    at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
    at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
    at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
    at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
    at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
    at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at com.tunestore.servlet.PersistenceFilter.doFilter(PersistenceFilter.java:77)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:244)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:108)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:558)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:379)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:259)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:281)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

The error appears to be pointing to line 90 of my code which is:

pStmt.setString(0, daf.getString("username"));

Yet this line of code looks correct to me. What could I be missing?

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评论（1）

冷夜 2024-12-24 06:39:35

JDBC 中的列索引从 1 开始

我看不到您在代码中调用 setString，但堆栈跟踪清楚地表明 execute 正在调用 setString在第 90 行。您发布的代码是否正是您收到此异常时正在运行的代码？

Column indexes start at 1 in JDBC

I can't see you calling setString in the code, but the stack trace clearly says execute is calling setString at line #90. Is the code you posted exactly what's running when you get this exception?

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