Hi Mark,

It is not easy to produce a test case as it happens after some thousands of DB accesses. It also happens with 4.1.1-alpha (from mysql.com) . I did not try the bitkeeper version.

But it seems it has something to do with using Server Prepared Statements. It did not happen when I specified useServerPrepStmts=no.


Regards Helmut

Mark Matthews wrote:

hl said:



Hi,

What can I do to find the cause / correct the following problem?

More often I get the following with Connector/J:

error com.mysql.jdbc.CommunicationsException: Communications link
failure due to underlying exception:

** BEGIN NESTED EXCEPTION **

java.io.EOFException



Hlein,


Can you post a testcase? Prepared statements are still in a state of
flux...The code in 4.1.x from BitKeeper is probably the most stable right
now. What happens when you run with MySQL-4.1 from BitKeeper instead of
5.0?

-Mark






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