[jira] [Created] (DBCP-470) Create a new BasicDataSource, the database hasn't start, the DBCP's pool will be leaked

["jeho0815 (JIRA)" <ji...@apache.org>]

jeho0815 created DBCP-470:
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             Summary: Create a new BasicDataSource, the database hasn't start, the DBCP's pool will be leaked
                 Key: DBCP-470
                 URL: https://issues.apache.org/jira/browse/DBCP-470
             Project: Commons Dbcp
          Issue Type: Bug
    Affects Versions: 1.4
         Environment: All environment
            Reporter: jeho0815
             Fix For: 1.4.1


First the database hasn't start, then create a new BasicDataSource.  The method createDataSource judge dataSource == null, will create a new dataSource. The first step is create a connectionPool, second create a connectionFactory, but validateConnectionFactory will throw a SQLNestedException, the dataSource will be null again. Next itme repeat the steps again and again. The most import issue is create the connectionPool will be refered by a java.lang.Timer, so it can't be collected by GC. If the minIdle is positive, when database status is ok, it will create connection also.
As a word, the bug will cause memory leak and may cause connection leak.



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