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All,

Christopher Schultz wrote:
> There was (from your original post):
> 
>>     com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications 
>> link failure

Steps to reproduce this conclusion:

1. Turn off brain.
2. Open mouth.

Sorry about that. I spouted complete nonsense in that last post. The
exception was being thrown within the doHandlePageException method,
which is pretty much where it will always be thrown, no matter what.

Len is absolutely right: the exception is being thrown by MySQL, so it's
their error message. Was there a "root cause" printed with this stack
trace? That certainly would have helped.

I checked the source for Connector/J 5.1.6 and that exception is only
thrown in a single place: SQLError.java:1070. When that exception is
created, the underlying exception is, in fact, passed up to
java.lang.Throwable via the initCause method. So, there should have been
a "caused by" line in that stack trace.

- -chris
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