Creating link for connector with id 4
Please fill following values to create new link object
Name: mq
Link configuration
JDBC Driver Class: com.mysql.jdbc.Driver
JDBC Connection String: jdbc:mysql://192.168.1.150:3306/hadoop
Username: root
Password: *********
JDBC Connection Properties:
There are currently 0 values in the map:
entry# protocol=tcp
There are currently 1 values in the map:
protocol = tcp
entry#
There were warnings while create or update, but saved successfully.
Warning message: Can't connect to the database with given credentials: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
New link was successfully created with validation status WARNING and persistent id 6
這問題怎么解決啊，求大神指導，是不是com.mysql.jdbc.Driver有問題 啊？
uj5u.com熱心網友回復：
我和你一樣的問題，你解決了嗎？？uj5u.com熱心網友回復：
還沒有呢，正在換版本試下。貌似1.9.9.3也是這個問題。我再試試吧，好的話告訴你哈！uj5u.com熱心網友回復：
我把jdbc:mysql://192.168.1.150:3306換成jdbc:mysql://localhost:3306沒錯了 不知道對以后有什么影響轉載請註明出處，本文鏈接：https://www.uj5u.com/qita/77324.html
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