https://community.qlik.com/t5/Talend-Studio/CommunicationsException-Communications-link-failure/m-p/2361172#M125599 Hi,<BR />Kindly help me on below problem<BR />Exception in component tMysqlOutput_8<BR />com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure<BR />Last packet sent to the server was 0 ms ago.<BR /> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)<BR /> at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)<BR /> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)<BR /> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)<BR /> at com.mysql.jdbc.Util.handleNewInstance(Util.java:353)<BR /> at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)<BR /> at com.mysql.jdbc.Connection.createNewIO(Connection.java:2001)<BR /> at com.mysql.jdbc.Connection.&lt;init&gt;(Connection.java:716)<BR /> at com.mysql.jdbc.JDBC4Connection.&lt;init&gt;(JDBC4Connection.java:46)<BR /> at sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown Source)<BR /> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)<BR /> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)<BR /> at com.mysql.jdbc.Util.handleNewInstance(Util.java:353)<BR /> at com.mysql.jdbc.Connection.getInstance(Connection.java:295)<BR /> at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)<BR /> at java.sql.DriverManager.getConnection(DriverManager.java:582)<BR /> at java.sql.DriverManager.getConnection(DriverManager.java:185)<BR />Thanks<BR />Chin Tue, 09 Apr 2013 14:11:28 GMT Anonymous 2013-04-09T14:11:28Z https://community.qlik.com/t5/Talend-Studio/CommunicationsException-Communications-link-failure/m-p/2361172#M125599 Hi,<BR />Kindly help me on below problem<BR />Exception in component tMysqlOutput_8<BR />com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure<BR />Last packet sent to the server was 0 ms ago.<BR /> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)<BR /> at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)<BR /> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)<BR /> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)<BR /> at com.mysql.jdbc.Util.handleNewInstance(Util.java:353)<BR /> at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)<BR /> at com.mysql.jdbc.Connection.createNewIO(Connection.java:2001)<BR /> at com.mysql.jdbc.Connection.&lt;init&gt;(Connection.java:716)<BR /> at com.mysql.jdbc.JDBC4Connection.&lt;init&gt;(JDBC4Connection.java:46)<BR /> at sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown Source)<BR /> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)<BR /> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)<BR /> at com.mysql.jdbc.Util.handleNewInstance(Util.java:353)<BR /> at com.mysql.jdbc.Connection.getInstance(Connection.java:295)<BR /> at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)<BR /> at java.sql.DriverManager.getConnection(DriverManager.java:582)<BR /> at java.sql.DriverManager.getConnection(DriverManager.java:185)<BR />Thanks<BR />Chin Tue, 09 Apr 2013 14:11:28 GMT https://community.qlik.com/t5/Talend-Studio/CommunicationsException-Communications-link-failure/m-p/2361172#M125599 Anonymous 2013-04-09T14:11:28Z https://community.qlik.com/t5/Talend-Studio/CommunicationsException-Communications-link-failure/m-p/2361173#M125600 Hi <BR />It is a common error, it means means that the DB isn't reachable at all. Take a look at this page and refer to the suggestions: <BR /> <A href="http://stackoverflow.com/questions/2983248/com-mysql-jdbc-exceptions-jdbc4-communicationsexception-communications-link-fai" rel="nofollow noopener noreferrer">http://stackoverflow.com/questions/2983248/com-mysql-jdbc-exceptions-jdbc4-communicationsexception-communications-link-fai</A> <BR />Shong Tue, 09 Apr 2013 17:35:18 GMT https://community.qlik.com/t5/Talend-Studio/CommunicationsException-Communications-link-failure/m-p/2361173#M125600 Anonymous 2013-04-09T17:35:18Z