[英]Why doesn't Java seem to respect my classpath?
我的目錄中有jt400.jar :
/path
/jt400.jar
/Test.java
Test.java的內容:
import java.sql.*;
//import com.ibm.as400.*; // To be uncommented later
public class Test {
public static void main(String[] args) throws Exception {
String url = "jdbc:as400//myserver.domain.com;DSN=DB2;Uid=name;Pwd=password;";
Connection conn = DriverManager.getConnection(url);
}
}
我編譯這個:
$ javac -cp jt400.jar Test.java
並嘗試運行:
$ java -cp jt400.jar Test.java
哪個產生:
Exception in thread "main" java.sql.SQLException: No suitable driver found for jdbc:as400://myserver.domain.com;DSN=DB2;Uid=name;Pwd=password;
at java.sql.DriverManager.getConnection(DriverManager.java:635)
at java.sql.DriverManager.getConnection(DriverManager.java:213)
at Killer.main(Test.java:8)
現在,在jt400.jar里面我已經驗證:
$ jar -tf jt400.jar | grep class | grep AS400 | grep Driv
com/ibm/as400/access/AS400JDBCDriver.class
然而,當我取消對進口線的注釋時,我得到了
Test.java:3: package com.ibm.as400 does not exist
import com.ibm.as400.*;
所以要么我完全誤解了Java的類路徑和導入機制,要么肯定它不尊重我提供的類路徑。
我怎么解決這個問題? 我無法在Google或Stackoverflow上找到任何有用的東西,但我沒有花太多時間在Java上,所以我確定我做錯了什么。
String url = "jdbc:as400//myserver.domain.com;DSN=DB2;Uid=name;Pwd=password;";
你錯過了冒號,它應該是:
String url = "jdbc:as400://myserver.domain.com;DSN=DB2;Uid=name;Pwd=password;";
// /\
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.