https://bz.apache.org/bugzilla/show_bug.cgi?id=60522
Bug ID: 60522
Summary: An option for setting if the transaction should be
rolled back when a connection is abandoned
Product: Tomcat Modules
Version: unspecified
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: jdbc-pool
Assignee: dev@tomcat.apache.org
Reporter: lff0...@gmail.com
Target Milestone: ---
Currently, if the connection is abandoned, it do nothing to commit() or
rollback().
However, I have seen problems for this, especially on Oracle, because for
Oracle, the Oracle JDBC driver will commit the transaction when close() is
called. See
http://stackoverflow.com/questions/218350/does-java-connection-close-rollback
So, the following code will causes dirty data in DB:
Connection conn = getConnectionFromPool();
try {
//Do something with the conn. And after some time, it is ABANDONED.
conn.commit(); // OOPS!!!! Connection already closed because it is
abandoned and closed.
} catch (Exception e) {
log it;
conn.rollback(); <===== Rollback failed, because the connection is
abandoned and closed.
}
!!!!!!!! Dirty data got. Because in Oracle, the JDBC driver will commit() the
transaction when the connection is closed.
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