On 06/08/2014 01:34, Parth Patil wrote: > Hi Friends, > I am using DBCP2 in my project and I am pleased with the performance of the > library. Though I am only able to provide a single mysql host in the > connection string. What do I need to do inorder to make the DBCP connection > pool replication aware ?
Write some code :). DBCP 2 is not replication aware. There was an enhancement request for this [1] but I resolved it as WONTFIX on the bases that: <quote> ...generally, failover requires some form of database replication and databases that provide that tend to provide JDBC drivers that support failover as well. </quote> > I am going to use 1 master and 2 slaves in my > setup. Am I correct in assuming that its possible to create connection pool > over several mysql hosts ? No, you are not correct. > I tried to use the replication aware mysql jdbc driver > (com.mysql.jdbc.ReplicationDriver) That is the correct way to do this. > but that doesn't seem to work and I am > getting an exception. Following is my test code <snip/> > Following is the exception that I am getting : > > [error] (run-main-0) java.lang.AbstractMethodError: > com.mysql.jdbc.ReplicationConnection.isValid(I)Z <snip/> DBCP2 uses JDBC4 (Java 1.6) and that is a new method introduced in that release. You can avoid the call to that method by setting a validation query for your connection pool. For MySQL the following should work: /* ping */ SELECT 1 Mark [1] https://issues.apache.org/jira/browse/DBCP-393 --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@commons.apache.org For additional commands, e-mail: user-h...@commons.apache.org
