大家帮忙看一下，我用JBuilder和Oracle数据库连接怎麽老是出现如下的错误？多谢

Question

有没有把sun.jdbc.odbc.OracleDriver的jar文件放在classpath??

Answer 1

错误：
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
at java.lang.String.substring(String.java:1480)
at oracle.net.resolver.AddrResolution.resolveSimple(AddrResolution.java:196)
at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:156)
at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:383)
at oracle.net.ns.NSProtocol.connect(NSProtocol.java:151)
at oracle.jdbc.ttc7.TTC7Protocol.connect(TTC7Protocol.java:1085)
at oracle.jdbc.ttc7.TTC7Protocol.logon(TTC7Protocol.java:179)
at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:142)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:214)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:193)
at java.sql.DriverManager.getConnection(DriverManager.java:512)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at test0.JDBCTest.main(JDBCTest.java:59)
Exception in thread "main"

Answer 2

project->project properties->Requited Libraries里添加 oraclejdbcoraclejdbc是自己在tools——》Enterprise Setup-->Database Drivers里
自己add的，，