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Posted to derby-dev@db.apache.org by "Kathey Marsden (JIRA)" <de...@db.apache.org> on 2005/11/10 22:40:04 UTC
[jira] Updated: (DERBY-700) Derby does not prevent dual boot of database from different classloaders on Linux
[ http://issues.apache.org/jira/browse/DERBY-700?page=all ]
Kathey Marsden updated DERBY-700:
---------------------------------
Attachment: DualBootRepro.java
DualBootRepro Program to reproduce dual boot from two classloaders in Linux.
Change DERBY_LIB_DIR to derby directory and run without derby jars in our classpath.
java -cp . DualBootRepro
> Derby does not prevent dual boot of database from different classloaders on Linux
> ---------------------------------------------------------------------------------
>
> Key: DERBY-700
> URL: http://issues.apache.org/jira/browse/DERBY-700
> Project: Derby
> Type: Bug
> Versions: 10.1.2.1
> Reporter: Kathey Marsden
> Fix For: 10.1.3.0
> Attachments: DualBootRepro.java
>
> Derby does not prevent dual boot from two different classloaders on Linux.
> To reproduce run the program DualBootRepro with no derby jars in your classpath. The program assumes derby.jar is in 10.1.2.1/derby.jar, you can change the location by changing the DERBY_LIB_DIR variable.
> On Linux the output is:
> $java -cp . DualBootRepro
> Loading derby from file:10.1.2.1/derby.jar
> 10.1.2.1/derby.jar
> Booted database in loader java.net.URLClassLoader@8ed465
> FAIL: Booted database in 2nd loader java.net.URLClassLoader@dc6a77
> On Windows I get the expected output.
> $ java -cp . DualBootRepro
> Loading derby from file:10.1.2.1/derby.jar
> 10.1.2.1/derby.jar
> Booted database in loader java.net.URLClassLoader@1ac04e8
> PASS: Expected exception for dualboot:Another instance of Derby may have already booted the database D:\marsden\repro\dualboot\mydb.
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