MySQL JDBC Connector Error

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November 2018

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I'm using the latest MySQL version ... in my java application with named pipe and I started receiving the following error like 20 times in a row:

 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 ......
at ......
at ......
at ......
  Caused by: java.io.FileNotFoundException: All pipe instances are busy
... 4 more

 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 ......
at ......
at ......
at ......
  Caused by: java.io.FileNotFoundException: All pipe instances are busy
... 4 more

 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 ......
at ......
at ......
at ......
  Caused by: java.io.FileNotFoundException: All pipe instances are busy
... 4 more

The MySQL server is active and working properly through the command line and PHP. I'm using Windows 7 Ultimate. What is the cause of this java exception and how can I fix this?

Thank you.

0 answers