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Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Posted by: Jonathan Baxter
Date: October 31, 2008 07:56AM

I have seen a similar problem when streaming large ResultSets.

I managed to fix it with:

net_write_timeout = 3600

(default is 60 seconds).

It seems that if processing a single row from a streaming ResultSet takes longer than net_write_timeout seconds the mysql server closes the Connection (or closes something down), which then causes the next read to barf.

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Posted
Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Sam Atkinson
October 30, 2007 07:36AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Richard
October 30, 2007 03:43PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
mupparaju srinivas
January 03, 2008 05:38AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
alex teodorescu
January 30, 2009 07:05AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Mark Matthews
October 30, 2007 04:05PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Somebody .
February 08, 2008 04:35AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Andrew Jackson
February 09, 2008 04:26PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Somebody .
February 10, 2008 11:33AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Mark Matthews
February 10, 2008 02:07PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Dmitry Nezhevenko
February 11, 2008 07:33AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Mark Matthews
February 11, 2008 08:22AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Andrew Jackson
February 11, 2008 10:19AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Mark Matthews
February 11, 2008 02:54PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
zattarz za
February 13, 2008 03:47AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Somebody .
February 13, 2008 06:17AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
zattarz za
February 14, 2008 12:37PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
adam birr
December 18, 2008 05:23AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Dmitry Nezhevenko
February 11, 2008 01:45PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Gang Lau
February 11, 2008 11:41PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
JO Ganter
February 19, 2008 10:49AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Mark Matthews
February 19, 2008 10:51AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
JO Ganter
February 19, 2008 11:23AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Mark Matthews
February 19, 2008 11:25AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
JO Ganter
February 19, 2008 12:03PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
david s
February 20, 2008 06:05PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Jean-Nicolas Duval
June 02, 2008 07:29PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
ram babu
September 24, 2008 02:55AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Jonathan Baxter
October 31, 2008 07:56AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Ermicioi Andrei
November 27, 2008 01:56AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Ermicioi Andrei
November 30, 2008 03:15AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Simon Prinzleve
February 03, 2009 03:00PM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Kris Reid
April 08, 2009 12:46AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Josh Jacobs
July 06, 2009 10:45AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Dean Jiang
July 09, 2009 02:59AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Pankaj Tandon
August 24, 2009 10:30AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Kris Reid
August 24, 2009 11:33AM
Re: Connector/J "Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost."
Pankaj Tandon
August 24, 2009 12:43PM


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