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https://issues.apache.org/jira/browse/DERBY-700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12503950
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Kathey Marsden commented on DERBY-700:
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I have been unable to figure out exactly what the permission issue is when
running with security manager and jars. I did find that it was corrected by
giving AllPermissions to derbyTesting.jar. I am thinking therfore that the
issue is with the test and not the change itself. I would like to go ahead and
checkin the change, disabling security manager for the jars and file another
issue to correct that problem. Reviews welcome and let me know if anyone has
objections to going ahead and checking in the change. Substantive changes from
the initial patch are:
- Fix intermittent NPE
- Fix problem with dual boot with many threads, by expanding the
synchronization to include the full privJBMSLockOnDB
- Log warning not fail if System Property permission is not granted instead of
failing.
Kathey
> Derby does not prevent dual boot of database from different classloaders on
> Linux
> ---------------------------------------------------------------------------------
>
> Key: DERBY-700
> URL: https://issues.apache.org/jira/browse/DERBY-700
> Project: Derby
> Issue Type: Bug
> Components: Store
> Affects Versions: 10.1.2.1
> Environment: ava -version
> java version "1.4.2_08"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_08-b03)
> Java HotSpot(TM) Client VM (build 1.4.2_08-b03, mixed mode)
> Reporter: Kathey Marsden
> Assignee: Kathey Marsden
> Priority: Critical
> Fix For: 10.3.0.0
>
> Attachments: DERBY-700.diff, DERBY-700.stat,
> derby-700_06_07_07_diff.txt, derby-700_06_07_07_stat.txt, derby-700_diff.txt,
> derby-700_stat.txt, DERBY-700_v1_use_to_run_DualBootrepro_multithreaded.diff,
> DERBY-700_v1_use_to_run_DualBootrepro_multithreaded.stat,
> derby-700_with_NPE_fix_diff.txt, derby-700_with_NPE_fix_stat.txt, derby.log,
> derby700_singleproperty_v1.diff, derby700_singleproperty_v1.stat,
> DualBootRepro.java, DualBootRepro2.zip, DualBootRepro_mutltithreaded.tar.bz2
>
>
> 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 [EMAIL PROTECTED]
> FAIL: Booted database in 2nd loader [EMAIL PROTECTED]
> 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 [EMAIL PROTECTED]
> PASS: Expected exception for dualboot:Another instance of Derby may have
> already booted the database D:\marsden\repro\dualboot\mydb.
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