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how to avoid Lock wait timeout exceeded

Posted on 2011-03-07
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Last Modified: 2012-05-11
I executed the following command which generated the error:
ERROR 1205 (HY000) at line 1: Lock wait timeout exceeded; try restarting transaction

ALTER TABLE mainDB.comment ADD FOREIGN KEY (hcId) REFERENCES mainDB.cycle (hcId);"

How to overcome this error?
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Question by:pvinodp
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Muhammad Wasif earned 1500 total points
ID: 35081290
Sometimes restarting MySQL server resolves the issue. Also look at http://harrison-fisk.blogspot.com/2009/01/xa-and-persistent-innodb-locks.html
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Author Closing Comment

by:pvinodp
ID: 35163219
This worked but seems that the solution is just a hack...

Thanks  anyways
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