[jira] Commented: (DERBY-1272) Change sysinfo to print to error log (derby.log) on boot of derby if derby.stream.error.logSeverityLevel=0

["Kathey Marsden (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-1272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12526182 ] 

Kathey Marsden commented on DERBY-1272:
---------------------------------------

Hi Raman,

Thanks for bringing this issue back to life.  It will surely be very helpful to users and support folks.  I looked at the patch and tried it out and it all seemed to work fine.  A few comments.
- I am concerned about adding $derby.tools.src.dir to the build.xml.  Sysinfo is available in derby.jar, but the other tools classes are not.  Adding derby.tools.src.dir allows access to all the tools classes, which is not ideal.  I wonder if using reflection can avoid the need to change the build.xml.

-  Sysinfo prints security exceptions for information it can't access. e.g.
Java user name:  Security Exception: java.security.AccessControlException: Access denied (java.util.PropertyPermission user.name read)

I am concerned that this might become a red herring for those debugging a problem and thinking this might be the root of it.   DERBY-1273 is filed to improve the message though and I think we can handle that as a separate issue.  I asked for some feedback from some support people to get an additional opinion. I'll let you know what I hear.

-  The test doesn't seem to actually test that sysinfo printed.  It would be good to have a test that tests that.

Kathey


> Change sysinfo to print to error log (derby.log) on boot of derby  if derby.stream.error.logSeverityLevel=0
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-1272
>                 URL: https://issues.apache.org/jira/browse/DERBY-1272
>             Project: Derby
>          Issue Type: Improvement
>          Components: Tools
>    Affects Versions: 10.1.2.1, 10.1.3.1, 10.2.1.6
>            Reporter: Kathey Marsden
>            Assignee: Ramin Moazeni
>            Priority: Minor
>         Attachments: derby-1272-pre.diff, derby-1272-pre2.diff, derby-1272-pre3.diff, derby-1272-v4.diff, DERBY-1272v5.diff
>
>
> It is often very difficult to collect correct sysinfo output from user environments because  sysinfo run from the commandline does not have the same classpath as the jvm that started Derby or Derby was loaded with a custom classloader.
> It would be very helpful in assisting users in diagnosing their issues if sysinfo dumped to the error log if  derby.stream.error.logSeverityLevel=0  or even by default.

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