SQLNonTransientException的可能解决方案
[英]Possible solutions for a SQLNonTransientException
问题描述
I am very new to database connections with Java and am having a difficult time connecting to the database I was provided. 
我对使用Java进行数据库连接非常陌生，并且很难连接到所提供的数据库。 So far I've learned that installing the correct DB2 drivers may have been an issue and putting them in the CLASSPATH for the program. 到目前为止，我已经了解到安装正确的DB2驱动程序可能是一个问题，并将其放入程序的CLASSPATH中。 I have done this and I still am not able to establish a connection. 我已完成此操作，但仍无法建立连接。 Please Help! 请帮忙！
Here is a print out of my error report in Eclipse: 这是我在Eclipse中的错误报告的打印输出：
com.ibm.db2.jcc.am.SqlNonTransientConnectionException: [jcc][t4][10380][11951][4.13.127] Required property "URLname" is unknown host.
Here is the code I have developed so far: 这是我到目前为止开发的代码：
import java.sql.*;
public class ServerAcessDemo{
// jdbc driver name and database URL
static final String JDBC_DRIVER = "com.ibm.db2.jcc.DB2Driver";
static final String DB_URL = "jdbc:db2://URLname/portNumber";
// Database credentials
static final String USER = "userID";
static final String PASSWORD = "password";
public static void main(String[] args){
Connection conn = null;
try{
// Register JDBC driver
Class.forName(JDBC_DRIVER);
// open a connection
System.out.println("Connecting to a selected database...");
conn = DriverManager.getConnection(DB_URL, USER, PASSWORD);
}
catch(Exception e){
// handle errors for Class.forName
e.printStackTrace();
}
finally{
// finally block used to close resources
try{
if(conn!=null)
conn.close();
}
catch(SQLException se){
se.printStackTrace();
}//end finally try
}//end try
}
}
1 个解决方案
解决方案1
1 已采纳 2013-05-21 15:50:25
I am not sure if this is as simple as that, but you set: 我不确定这是否就这么简单，但是您可以设置：
static final String DB_URL = "jdbc:db2://URLname/portNumber";
and the error is Required property "URLname" is unknown host , so it seems that you have supplied wrong DB_URL value, it should be something like jdbc:db2://localhost:50000/your_database_name , assuming your DB runs locally on 50000 port, you need to provide right database name. 并且错误是Required property "URLname" is unknown host ，因此似乎您提供了错误的DB_URL值，它应该类似于jdbc:db2://localhost:50000/your_database_name ，假设您的数据库在本地50000端口上运行，您需要提供正确的数据库名称。
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