Question

您好我正在使用Talend Open Studio 6.5.1版

我正在使用tjdbc组件。我将驱动程序从 mysql-connector-java-5.1.30-bin.jar 更改为 mysql-connector-java-5.1.45

此更改不允许我连接到mysql并在运行作业时返回以下错误。

我可以知道我必须做些什么改变才能让它发挥作用。

于06/03/2018开始工作testutfbmb4。

[statistics] connecting to socket on port 3975
[statistics] connected
Exception in component tJDBCConnection_1 (testutfbmb4)
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: 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.
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
    at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
    at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:341)
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2186)
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2219)
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2014)
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:776)
[statistics] disconnected
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at cropin_talend.testutfbmb4_0_1.testutfbmb4.tJDBCConnection_1Process(testutfbmb4.java:515)
    at cropin_talend.testutfbmb4_0_1.testutfbmb4.runJobInTOS(testutfbmb4.java:1753)
    at cropin_talend.testutfbmb4_0_1.testutfbmb4.main(testutfbmb4.java:1524)
Caused by: java.net.ConnectException: Connection timed out: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
    at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
    at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300)
    ... 17 more
Job testutfbmb4 ended at 19:32 06/03/2018. [exit code=1]

*

Answer 1

这是在jdbc组件中未设置auto commit = false的问题。它现在有效。为混乱道歉

tjdbc的最新驱动程序无效 - Talend

1 个答案: