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From "Mike Matrigali (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5582) Access denied (java.lang.RuntimePermission modifyThreadGroup) in IndexStatisticsDaemonImpl.schedule()
Date Thu, 09 Feb 2012 16:35:59 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204626#comment-13204626

Mike Matrigali commented on DERBY-5582:

personally I am ok with changing an inconsistent file to consistent fot tab vs spaces, especially
if you are actively working on the file and it is causing
problems as above.  I like the change to be a separate checkin from the bug fix to make it
clear what you are doing.  When I do it I try to 
add some extra value by fixing comments, maybe adding some javadoc where it is missing, ...
  Long term I think we agreed that spaces is
the right direction.  

As you point out there is some loss of history in trunk, so not ready to mass do this for
the sake of doing it.  But again if you are working on a file
and it is inconsistent, and it makes it easier for you to work on the file, i say go ahead.
>  Access denied (java.lang.RuntimePermission modifyThreadGroup) in IndexStatisticsDaemonImpl.schedule()
> ------------------------------------------------------------------------------------------------------
>                 Key: DERBY-5582
>                 URL: https://issues.apache.org/jira/browse/DERBY-5582
>             Project: Derby
>          Issue Type: Bug
>          Components: Services
>    Affects Versions:
>            Reporter: Kathey Marsden
>         Attachments: Derby5582Runner.java, MySecurityManager.java, derby-5582_10_8_try1_diff.txt,
derby-5582_trunk_withtest_diff.txt, derby-5582_trunk_withtest_diff.txt, derby-5582_whitespace_diff.txt,
> I user reported this exception with - (1212722) when running regression tests
against 10.8.
> As soon as the Index Statistics Thread was initialized they got the stack trace below.
> There was some discussion of this issue on the dev list:
> http://old.nabble.com/Report-of-security-manager-issue-with-10.8-and-ndexStatisticsDaemonImpl.schedule-to33137398.html
> I assume the failure is in 
>   runningThread = new Thread(this, "index-stat-thread");
> Stack Trace:
> java.security.AccessControlException: Access denied
> (java.lang.RuntimePermission modifyThreadGroup)
>           at
> java.security.AccessController.checkPermission(AccessController.java:108)
>           at
> java.lang.SecurityManager.checkPermission(SecurityManager.java:544)
>           at
> com.ibm.ws.security.core.SecurityManager.checkPermission(SecurityManager.java:208)
>           at
> com.ibm.ws.security.core.SecurityManager.checkAccess(SecurityManager.java:407)
>           at java.lang.ThreadGroup.checkAccess(ThreadGroup.java:226)
>           at java.lang.Thread.initialize(Thread.java:345)
>           at java.lang.Thread.<init>(Thread.java:281)
>           at java.lang.Thread.<init>(Thread.java:179)
>           at
> org.apache.derby.impl.services.daemon.IndexStatisticsDaemonImpl.schedule(Unknown
> Source)
>           at
> org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source)
>           at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown
> Source)
>           at
> org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
> Source)
>           at
> org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(Unknown Source)
>           at
> org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(Unknown Source)
>           at
> org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(Unknown Source)
>           at
> org.apache.derby.impl.jdbc.EmbedPreparedStatement40.<init>(Unknown Source)
>           at
> org.apache.derby.jdbc.Driver40.newEmbedPreparedStatement(Unknown Source)
>           at
> org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)
>           at
> org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)
>           at

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