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我正在尝试使用 hxtt 驱动程序通过 FTP 访问一个文件，但我能够建立连接。如果我在 URL 中传递用户名和密码是成功的，但是如果我在属性文件中分别传递用户名和密码，我会得到一个异常。请参阅以下详细信息：

我试过的罐子：

  • text_JDBC40.jar 最新jar
  • text_JDBC41.jar 最新jar
  • text_JDBC42.jar 最新jar

工作正常：

Class.forName("com.hxtt.sql.text.TextDriver").newInstance();
String url = "jdbc:csv:/ftp://<username>:<password>@www.hxtt.net/testdemo/sample?_CSV_Separator=,";

String sql = "select * from Test"; 
Connection con = DriverManager.getConnection(url);

抛出异常：

Class.forName("com.hxtt.sql.text.TextDriver").newInstance();
String url = "jdbc:csv:/ftp://www.hxtt.net/testdemo/sample?_CSV_Separator=,";
Properties prperties = new Properties();
prperties.put("user", "<username>");
prperties.put("password", "<password>");
String sql = "select * from Test";

例外：

java.sql.SQLException: Failed to login ftp server www.hxtt.net:21
    at com.caigen.global.ao.a(Unknown Source)
    at com.hxtt.concurrent.e.a(Unknown Source)
    at com.hxtt.concurrent.e.<init>(Unknown Source)
    at com.hxtt.concurrent.ak.aL(Unknown Source)
    at com.hxtt.concurrent.ak.if(Unknown Source)
    at com.hxtt.concurrent.bm.a(Unknown Source)
    at com.hxtt.concurrent.ak.<init>(Unknown Source)
    at com.hxtt.concurrent.az.a(Unknown Source)
    at com.hxtt.concurrent.a9.a(Unknown Source)
    at com.hxtt.concurrent.ak.a(Unknown Source)
    at com.hxtt.concurrent.av.iL(Unknown Source)
    at com.hxtt.concurrent.i.iN(Unknown Source)
    at com.hxtt.sql.b7.a(Unknown Source)
    at com.hxtt.sql.text.f.<init>(Unknown Source)
    at com.hxtt.sql.text.EmbeddedDriver.connect(Unknown Source)
    at com.hxtt.global.g.a(Unknown Source)
    at com.hxtt.sql.HxttDriver.if(Unknown Source)
    at com.hxtt.sql.HxttDriver.connect(Unknown Source)
    at java.sql.DriverManager.getConnection(DriverManager.java:664)
    at java.sql.DriverManager.getConnection(DriverManager.java:208)
    at org.test.HXTTConnectionTest4.main(HXTTConnectionTest4.java:35)
java.sql.SQLException: Failed to login ftp server www.hxtt.net:21
    at com.caigen.global.ao.a(Unknown Source)
    at com.hxtt.concurrent.e.a(Unknown Source)
    at com.hxtt.concurrent.e.<init>(Unknown Source)
    at com.hxtt.concurrent.ak.aL(Unknown Source)
    at com.hxtt.concurrent.ak.if(Unknown Source)
    at com.hxtt.concurrent.bm.a(Unknown Source)
    at com.hxtt.concurrent.ak.<init>(Unknown Source)
    at com.hxtt.concurrent.az.a(Unknown Source)
    at com.hxtt.concurrent.a9.a(Unknown Source)
    at com.hxtt.concurrent.ak.a(Unknown Source)
    at com.hxtt.concurrent.av.iL(Unknown Source)
    at com.hxtt.concurrent.i.iN(Unknown Source)
    at com.hxtt.sql.b7.a(Unknown Source)
    at com.hxtt.sql.text.f.<init>(Unknown Source)
    at com.hxtt.sql.text.EmbeddedDriver.connect(Unknown Source)
    at com.hxtt.global.g.a(Unknown Source)
    at com.hxtt.sql.HxttDriver.if(Unknown Source)
    at com.hxtt.sql.HxttDriver.connect(Unknown Source)
    at java.sql.DriverManager.getConnection(DriverManager.java:664)
    at java.sql.DriverManager.getConnection(DriverManager.java:208)
    at org.test.HXTTConnectionTest4.main(HXTTConnectionTest4.java:35)
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