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From "Suresh Thalamati (JIRA)" <derby-...@db.apache.org>
Subject [jira] Assigned: (DERBY-1241) logmirror.ctrl is getting accessed outside the privileged block when the checkpoint instant is invalid on log factory boot method.
Date Mon, 19 Jun 2006 18:50:30 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1241?page=all ]

Suresh Thalamati reassigned DERBY-1241:
---------------------------------------

    Assign To: Suresh Thalamati

> logmirror.ctrl  is getting accessed outside the privileged block when the checkpoint
instant is invalid  on log factory boot method.
> ------------------------------------------------------------------------------------------------------------------------------------
>
>          Key: DERBY-1241
>          URL: http://issues.apache.org/jira/browse/DERBY-1241
>      Project: Derby
>         Type: Bug

>   Components: Store
>     Reporter: Suresh Thalamati
>     Assignee: Suresh Thalamati
>     Priority: Minor

>
> This problem was reported on the derby-dev list  by Olav Sandstaa , filing jira entry
 for it. 
> Olav Sandstaa wrote:
> > Rick Hillegas <Richard.Hillegas@Sun.COM> wrote:
> >
> > java.sql.SQLException: Java exception: 'access denied (java.io.FilePermission /export/home/tmp/derbyjdbc4/DerbyNetClient/TestConnectionMethods/wombat/log/logmirror.ctrl
read): java.security.AccessControlException'.
> >     at java.security.AccessControlContext.checkPermission(AccessControlContext.java:321)
> >     at java.security.AccessController.checkPermission(AccessController.java:546)
> >     at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
> >     at java.lang.SecurityManager.checkRead(SecurityManager.java:871)
> >     at java.io.File.exists(File.java:731)
> >     at org.apache.derby.impl.store.raw.log.LogToFile.boot(LogToFile.java:2940)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.boot(BaseMonitor.java:1996)
> >     at org.apache.derby.impl.services.monitor.TopService.bootModule(TopService.java:290)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(BaseMonitor.java:542)
> >     at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Monitor.java:418)
> >     at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.bootLogFactory(BaseDataFileFactory.java:1762)
> >     at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.setRawStoreFactory(BaseDataFileFactory.java:1218)
> >     at org.apache.derby.impl.store.raw.RawStore.boot(RawStore.java:250)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.boot(BaseMonitor.java:1996)
> >     at org.apache.derby.impl.services.monitor.TopService.bootModule(TopService.java:290)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(BaseMonitor.java:542)
> >     at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Monitor.java:418)
> >     at org.apache.derby.impl.store.access.RAMAccessManager.boot(RAMAccessManager.java:987)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.boot(BaseMonitor.java:1996)
> >     at org.apache.derby.impl.services.monitor.TopService.bootModule(TopService.java:290)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(BaseMonitor.java:542)
> >     at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Monitor.java:418)
> >     at org.apache.derby.impl.db.BasicDatabase.bootStore(BasicDatabase.java:738)
> >     at org.apache.derby.impl.db.BasicDatabase.boot(BasicDatabase.java:178)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.boot(BaseMonitor.java:1996)
> >     at org.apache.derby.impl.services.monitor.TopService.bootModule(TopService.java:290)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(BaseMonitor.java:1831)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(BaseMonitor.java:1697)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(BaseMonitor.java:1577)
> >     at org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(BaseMonitor.java:990)
> >     at org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Monitor.java:541)
> >     at org.apache.derby.impl.jdbc.EmbedConnection.bootDatabase(EmbedConnection.java:1586)
> >     at org.apache.derby.impl.jdbc.EmbedConnection.<init>(EmbedConnection.java:216)
> >     at org.apache.derby.impl.jdbc.EmbedConnection30.<init>(EmbedConnection30.java:72)
> >     at org.apache.derby.impl.jdbc.EmbedConnection40.<init>(EmbedConnection40.java:48)
> >     at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Driver40.java:62)
> >     at org.apache.derby.jdbc.InternalDriver.connect(InternalDriver.java:199)
> >     at org.apache.derby.impl.drda.Database.makeConnection(Database.java:231)
> >     at org.apache.derby.impl.drda.DRDAConnThread.getConnFromDatabaseName(DRDAConnThread.java:1147)
> >     at org.apache.derby.impl.drda.DRDAConnThread.verifyUserIdPassword(DRDAConnThread.java:1125)
> >     at org.apache.derby.impl.drda.DRDAConnThread.parseSECCHK(DRDAConnThread.java:2709)
> >     at org.apache.derby.impl.drda.DRDAConnThread.parseDRDAConnection(DRDAConnThread.java:987)
> >     at org.apache.derby.impl.drda.DRDAConnThread.processCommands(DRDAConnThread.java:830)
> >     at org.apache.derby.impl.drda.DRDAConnThread.run(DRDAConnThread.java:236)
> >
> > The security exception is raised when Derby tries to get access to the
> > log/logmirror.ctrl file during the second startup of the database. I
> > would have expected that since this file was created earlier during
> > the initial startup of the test, the test should already have the
> > required security permissions to access it during the second startup?
> >
> > Anyway, the best solution to this problem would be to be able to reuse
> > functionality that already might exist in the test framework. Any
> > suggestions are appreciated.
> >
> > Regards,
> > Olav
> >
> By looking at the stack it looks like log/logmirror.ctrl  is not getting accessed in
the privileged block at  line 2940 in LogToFile.java.
> if (checkpointInstant == LogCounter.INVALID_LOG_INSTANT &&                  
  getMirrorControlFileName().exists())
> Not sure how you got checkpointInstant to be INVALID , may be your test program might
have exited before a first valid checkpoint. Any one fixing this bugs should make sure that
is the case.
> In any case  call to exists should have been privExists(getMirrorControlFileName()).
> Please file a Jira entry  with information on how to reproduce this bug.
> Thanks
> -suresh

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