代码：
Class.forName("com.informix.jdbc.IfxDriver").newInstance();
String url ="jdbc:informix-sqli://10.63.128.21:16110/chsyy_zh:INFORMIXSERVER=onchsids;user=chsyy_zh;password=1qaz2wsx";
Connection conn= DriverManager.getConnection(url);
控制台：
java.sql.SQLException: 数据库地点信息不匹配。
at com.informix.util.IfxErrMsg.getSQLException(Unknown Source)
at com.informix.jdbc.IfxSqli.addException(Unknown Source)
at com.informix.jdbc.IfxSqli.receiveError(Unknown Source)
at com.informix.jdbc.IfxSqli.dispatchMsg(Unknown Source)
at com.informix.jdbc.IfxSqli.receiveMessage(Unknown Source)
at com.informix.jdbc.IfxSqli.executeOpenDatabase(Unknown Source)
at com.informix.jdbc.IfxSqliConnect.(Unknown Source)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at com.informix.jdbc.IfxDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:579)
at java.sql.DriverManager.getConnection(DriverManager.java:243)
at com.csyy.database.DatabaseConn.main(DatabaseConn.java:17)
Caused by: java.sql.SQLException
at com.informix.util.IfxErrMsg.getSQLException(Unknown Source)
... 13 more
jar包：
ifxjdbc
ifxjdbcx
ifxlang
ifxlsupp
ifxsqlj
ifxtools