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Posted to derby-dev@db.apache.org by "Myrna van Lunteren (JIRA)" <ji...@apache.org> on 2014/04/30 23:05:21 UTC

[jira] [Resolved] (DERBY-6352) Access denied ("java.lang.RuntimePermission" "modifyThread") highly intermittent, but e.g. in store.RecoveryAfterBackup test

     [ https://issues.apache.org/jira/browse/DERBY-6352?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Myrna van Lunteren resolved DERBY-6352.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 10.10.2.1
                   10.11.0.0

> Access denied ("java.lang.RuntimePermission" "modifyThread") highly intermittent, but e.g. in store.RecoveryAfterBackup test
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-6352
>                 URL: https://issues.apache.org/jira/browse/DERBY-6352
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.9.2.2, 10.10.1.1
>         Environment: IBM java 7 Derby version 10.10.1.2 - (1494414)
>            Reporter: Kathey Marsden
>            Assignee: Myrna van Lunteren
>             Fix For: 10.11.0.0, 10.10.2.1
>
>         Attachments: DERBY-6352_trunk.diff, DERBY-6352_trunk2.diff, DERBY-6532_trunk3.diff, javacore_1.zip, javacore_2.zip, test-case.diff
>
>
> I got a report of the following intermittent (6/60) exception in store.RecoveryAfterBackupTest.
> Exception in thread "main" java.security.AccessControlException: Access denied ("java.lang.RuntimePermission" "modifyThread")
> 		 at java.security.AccessController.throwACE(AccessController.java:100)
> 		 at java.security.AccessController.checkPermission(AccessController.java:174)
> 		 at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
> 		 at java.lang.SecurityManager.checkAccess(SecurityManager.java:676)
> 		 at java.lang.Thread.checkAccess(Thread.java:459)
> 		 at java.lang.Thread.interrupt(Thread.java:588)
> 		 at org.apache.derby.iapi.services.context.ContextService$1.run(Unknown Source)
> 		 at java.security.AccessController.doPrivileged(AccessController.java:274)
> 		 at org.apache.derby.iapi.services.context.ContextService.notifyAllActiveThreads(Unknown Source)
> 		 at org.apache.derby.impl.services.monitor.BaseMonitor.shutdown(Unknown Source)
> 		 at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
> 		 at org.apache.derby.jdbc.Driver20.connect(Unknown Source)
> 		 at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
> 		 at java.sql.DriverManager.getConnection(DriverManager.java:571)
> 		 at java.sql.DriverManager.getConnection(DriverManager.java:233)
> 		 at org.apache.derbyTesting.functionTests.util.TestUtil.getConnection(TestUtil.java:836)
> 		 at org.apache.derbyTesting.functionTests.tests.store.RecoveryAfterBackup.main(RecoveryAfterBackup.java:82)
> modifyThread is a necessary permission if interrupting a thread other than the current thread but is not in our policy file for derby.jar.
> The relevant code in ContextService is:
>            for (ContextManager cm : allContexts) {
> 				Thread active = cm.activeThread;
> 				if (active == me)
> 					continue;
> 				if (active == null)
> 					continue;
>                 final Thread fActive = active;
> 				if (cm.setInterrupted(c))
>                 {
>                     AccessController.doPrivileged(
>                             new PrivilegedAction<Void>() {
>                                 public Void run()  {
>                                     fActive.interrupt();
>                                     return null;
>                                 }
>                             });
>                 }
> 		
> I am not sure why this has never come up before.  Are we expecting in this context that fActive is the current thread?
>  



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