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From "Jeff Clary (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2480) DriverManager.getConnection leaks memory when connecting to a non-existent database
Date Tue, 03 Apr 2007 19:02:32 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jeff Clary updated DERBY-2480:
------------------------------

    Attachment: derbyall_report.txt

I've  been working on my ongoing Derby setup issues, and have an *almost* clean run of the
derbyall suite against this patch.  One single test failed due to an OutOfMemoryError.  I've
attached my derbyall_report.txt for reference.

I see this bug is still unassigned.  Any committer out there want to take ownership of this
one-liner and get it into the build?


> DriverManager.getConnection leaks memory when connecting to a non-existent database
> -----------------------------------------------------------------------------------
>
>                 Key: DERBY-2480
>                 URL: https://issues.apache.org/jira/browse/DERBY-2480
>             Project: Derby
>          Issue Type: Bug
>    Affects Versions: 10.0.2.0, 10.0.2.1, 10.1.1.0, 10.1.2.1, 10.1.3.1, 10.2.1.6, 10.2.2.0,
10.3.0.0
>         Environment: Windows Vista, JDK 1.4.2_13
> Solaris 10, Sun JDK 1.4.2, 1.5.0 & 1.6.0
> Red Hat Enterprise Linux 4 (2.6.9-34.ELsmp_64), Sun JDK 1.5.0 & 1.6.0
>            Reporter: Jeff Clary
>            Priority: Minor
>         Attachments: DERBY-2480-1.diff, derbyall_report.txt, heap-server-Xmx32m.png,
Patch_DERBY-1947_and_DERBY-2480.diff, testOpenOfMissingDatabase.java
>
>
> Repeated calls to java.sql.DriverManager.getConnection("jdbc:derby:C:\\DOES_NOT_EXIST")
leak memory and eventually lead to an OutOfMemoryError.
> This bug is similar to DERBY-1947 in that ContextManager objects are not getting removed
from the HashSet.  The attached test program demonstrates the issue.  When run with VM options
-Xms8m -Xmx8m, it throws an OutOfMemoryError after 19022 calls to DriverManager.getConnection.

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