PerUserPoolDataSource.getPooledConnectionAndInfo multi-threading bug
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Key: DBCP-318
URL: https://issues.apache.org/jira/browse/DBCP-318
Project: Commons Dbcp
Issue Type: Bug
Reporter: Sebb
PerUserPoolDataSource.getPooledConnectionAndInfo(user,pass) has the code:
{code}
Object pool = pools.get(key); // (1) pools = instance variable
synchronized(this) {
if (pool == null) {
try {
registerPool(username, password);
pool = pools.get(key);
[...]
{code}
The first get() call can return null to multiple threads, so multiple threads
can register the pool.
This allows more than maxActive() connections to be returned.
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