JSP中的JDBC連接：java.lang.RuntimePermission accessClassInPackage.sun.jdbc.odbc

Question

在這里，我試圖通過JDBC與數據庫連接。

這是我的代碼，最終出現以下異常。

<%@ page import ="java.sql.*" %>
<%@ page import ="javax.sql.*" %>


<%
  Connection con = null;
  String url = "jdbc:jtds:sqlserver://192.168.0.123:4070/";
  String db = "RUTHER_FORD";
  String driver = "net.sourceforge.jtds.jdbc.Driver";
  String userName ="RUTHER";
  String password="SORRY_CONFIDENTIAL";

  int sumcount=0;
  Statement st;
  try{
      Class.forName(driver).newInstance();
      con = DriverManager.getConnection(url+db,userName,password);
      String query = "select * from user_master";
      st = con.createStatement();
      ResultSet rs = st.executeQuery(query);
%>
<%
      while(rs.next()){
%>

        <%System.out.println(rs.getString(1));%>
        <%System.out.println(rs.getString(2));%>

<%
      }
%>
<%
  }
  catch(Exception e){
      e.printStackTrace();
  }
%>

<html>

.
.
.
.

//當我調度頁面時，下面是面臨的異常

 java.security.AccessControlException: access denied (java.lang.RuntimePermission accessClassInPackage.sun.jdbc.odbc)
        at java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)
        at java.security.AccessController.checkPermission(AccessController.java:546)
        at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
        at com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkPermission(DevAppServerFactory.java:166)
        at java.lang.SecurityManager.checkPackageAccess(SecurityManager.java:1512)

下面我看到了一個例外

java.security.AccessControlException: access denied (java.io.FilePermission C:\Windows\TEMP read)
    at java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)
    at java.security.AccessController.checkPermission(AccessController.java:546)
    at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
    at com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkPermission(DevAppServerFactory.java:166)
    at java.lang.SecurityManager.checkRead(SecurityManager.java:871)
    at java.io.File.isDirectory(File.java:752)
    at net.sourceforge.jtds.jdbc.ConnectionJDBC2.unpackProperties(ConnectionJDBC2.java:1253)
    at net.sourceforge.jtds.jdbc.ConnectionJDBC2.<init>(ConnectionJDBC2.java:280)
    at net.sourceforge.jtds.jdbc.ConnectionJDBC3.<init>(ConnectionJDBC3.java:50)
    at net.sourceforge.jtds.jdbc.Driver.connect(Driver.java:184)
    at java.sql.DriverManager.getConnection(DriverManager.java:582)
    at java.sql.DriverManager.getConnection(DriverManager.java:185)
    at org.apache.jsp.mmrda_005fsupplierportal.index_002dleft_002dcontainer_jsp._jspService(index_002dleft_002dcontainer_jsp.java:71)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
P.S I added jtdc.1.2.5 jar to my `class path`.

我在這里缺少什么建議？

謝謝你的時間。

Answer 1

創建server.policy文件並將文件放置在Java文件所在的位置。 在文件中添加以下行並保存。 試試這個，告訴我們是否可行

grant {
permission java.security.AllPermission;
};

JSP中的JDBC連接：java.lang.RuntimePermission accessClassInPackage.sun.jdbc.odbc

問題描述

1 個解決方案

解決方案1
1 已采納 2013-03-15 11:42:19

JSP中的JDBC連接：java.lang.RuntimePermission accessClassInPackage.sun.jdbc.odbc

問題描述

1 個解決方案

解決方案1 1 已采納 2013-03-15 11:42:19

解決方案1
1 已采納 2013-03-15 11:42:19