https://issues.apache.org/bugzilla/show_bug.cgi?id=52002
Bug #: 52002
Summary: Pool re-opens and re-issues closed connection
Product: Tomcat Modules
Version: unspecified
Platform: PC
Status: NEW
Severity: normal
Priority: P2
Component: jdbc-pool
AssignedTo: dev@tomcat.apache.org
ReportedBy: kevin.grei...@compsol.cc
Classification: Unclassified
Created attachment 27751
--> https://issues.apache.org/bugzilla/attachment.cgi?id=27751
Patch to create new test case and fix to make it work
Closing a connection returns the connection to the pool but does not clear its
handler (the JDBC interceptor chain). As a result, the next request for a
connection may re-open and return the old handler.
This behavior breaks multi-threaded code which closes a connection twice. The
exact behavior being that thread 1 closes a connection, thread 2 opens a new
connection and gets the exact same connection object as thread 1, thread 1 then
closes is connection a second time thereby breaking thread 2.
I'm attaching a patch with a new test case which fails against the current
revision as well as a fix for ConnectionPool.
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