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java.sql.sqlexception lock wait timeout exceeded try restarting transaction

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Problem :

I am getting bellow error

java.sql.sqlexception lock wait timeout exceeded try restarting transaction

I am using Java Struts 2.1 Hibernate configuration. DB Used is MYSQL.

Anyone know how to solve it..??

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1 Answer

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Solution :

Pleaase make sure the database tables are using InnoDB storage engine and READ-COMMITTED transaction isolation level.

Now you can check it by SELECT @@GLOBAL.tx_isolation, @@tx_isolation; on mysql console.

If it is not set to be READ-COMMITTED then you must set it. You must make sure before setting it that you have SUPER privileges in mysql.

Further Readings :

https://github.com/zendesk/maxwell/issues/386

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