[Users] Getting a stream of errors inside engine.log

[Yair Zaslavsky]

On 06/25/2012 11:55 AM, Ofer Schreiber wrote:
> 
> 
> ----- Original Message -----
>> On 06/24/2012 07:26 PM, Robert Middleswarth wrote:
>>> On 06/24/2012 12:11 PM, Yair Zaslavsky wrote:
>>>> On 06/24/2012 07:02 PM, Robert Middleswarth wrote:
>>>>> On 06/24/2012 11:55 AM, Yair Zaslavsky wrote:
>>>>>> On 06/24/2012 06:45 PM, Robert Middleswarth wrote:
>>>>>>> On 06/24/2012 09:55 AM, Doron Fediuck wrote:
>>>>>>>> On 22/06/12 04:12, Robert Middleswarth wrote:
>>>>>>>>> Getting a log full of error messages like these.
>>>>>>>>>
>>>>>>>>> 2012-06-21 21:03:30,075 ERROR
>>>>>>>>> [org.ovirt.engine.core.engineencryptutils.EncryptionUtils]
>>>>>>>>> (QuartzScheduler_Worker-90) Failed to decryptData must start
>>>>>>>>> with
>>>>>>>>> zero
>>>>>>>>> 2012-06-21 21:03:46,235 ERROR
>>>>>>>>> [org.ovirt.engine.core.engineencryptutils.EncryptionUtils]
>>>>>>>>> (QuartzScheduler_Worker-18) Failed to decryptData must not be
>>>>>>>>> longer
>>>>>>>>> than 128 bytes
>>>>>>>>>
>>>>>>>>> What is causing this and what can I do to fix it?
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>> Robert
>>>>>>>> Hi Robert,
>>>>>>>> This really depends on your setup (devel' or yum installed).
>>>>>>>> There are several DB values which are encrypted during the
>>>>>>>> installation which you override
>>>>>>>> by plain text values. In most cases the engine tries to
>>>>>>>> fallback, and
>>>>>>>> use the original value
>>>>>>>> it got despite the error. The question now you should answer,
>>>>>>>> is if
>>>>>>>> you have any other issue.
>>>>>>>> If things seem to work well, than it's an issue of encrypting
>>>>>>>> the
>>>>>>>> relevant values (if needed).
>>>>>>>> If you have other related issues, then setting these values to
>>>>>>>> plain
>>>>>>>> text should use the fallback
>>>>>>>> and resolve the issue.
>>>>>>>>
>>>>>>> There doesn't seem to be any negitive effect other then making
>>>>>>> the log
>>>>>>> hard to read.  Is there any way to suppress the error?
>>>>>>>
>>>>>>> Thanks
>>>>>>> Robert
>>>>>> Robert, I do suggest that you try further to investigate the
>>>>>> root cause
>>>>>> for this.
>>>>>> However, it is possible to modify the configuration not to log
>>>>>> this
>>>>>> error - you should be able to define a log4j category at
>>>>>> $JBOSS_HOME/standalone/configuration/standalone.xml (under
>>>>>> subsystem
>>>>>> xmlns="urn:jboss:domain:logging:1.1) in such a way that for
>>>>>> EncryptionUtils only FATAL messages will appear at the log (and
>>>>>> still, I
>>>>>> suggest that you further try to investigate why this is
>>>>>> happening in
>>>>>> the
>>>>>> first place).engine-service.xml
>>>>>>
>>>>>> Yair
>>>>> I am fine with investigating why but these error's are so generic
>>>>> I have
>>>>> no idea what files to check?  Despite tiring a few times I really
>>>>> don't
>>>>> get Java.
>>>> Robert - we can go to two approaches here with logging both
>>>> require you
>>>> to define a log4j category for EncryptionUtils
>>>>
>>>> First approach - as I suggested, move to FATAL - you will not see
>>>> these
>>>> errors.
>>>> Second approach - move to DEBUG. I looked at the code, and saw
>>>> that if
>>>> you define a category for EncryptionUtils  with DEBUG level you
>>>> will
>>>> also get a print of stacktrace, this may assist in understanding
>>>> the
>>>> problem you're facing.
>>> Yair,
>>>
>>> I checked standalone.xml file and there is no section related to
>>> EncyptionUtils nor was there a definition for engine.log I am
>>> guessing
>>> that these are defined in a diff config file.
>>
>> You should modify this file and add a category for EncryptionUtils -
>> look at how the category -
>>
>> <logger category="org.ovirt">
>>                 <level name="INFO"/>
>>                 <handlers>
>>                     <handler name="ENGINE_LOG"/>
>>                 </handlers>
>>             </logger>
>>
>>
>>
>> Is defined.
>>
>> What you should do is add
>>
>> <logger category="org.ovirt.engine.core.engineencryptutils">
>>   <level name="FATAL"/>
>>     <handlers>
>>                     <handler name="ENGINE_LOG"/>
>>                 </handlers>
>>             </logger>
>>
>> Near the logger category for "org.ovirt" (I mean, as a sibling to
>> that
>> element).
>> Pay attention that here i defined it for FATAL - you may wish to try
>> it
>> with DEBUG to see the stacktrace.
>>
>> Yair
> 
> In rpm based enb, we use /etc/ovirt-engine/engine-service.xml as the jboss settings file.

Thanks for the clarification.
The procedure I stated to add the log category should be the same.

> 
>>
>>
>>
>>>>
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>>>>> Thanks
>>>>> Robert
>>> Thanks
>>> Robert
>>>
>>
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