dev@glassfish.java.net

Re: derby startup when domain is started

From: Tom Mueller <tom.mueller_at_oracle.com>
Date: Thu, 23 Sep 2010 14:38:15 -0500

  When the DAS is started, the "GlassFish Core EJB container
implementation" module is NOT loaded. Would derby dependencies be coming
from that module?

The benchmark application in the case doesn't use EJBs either and
therefore no EJB timers.

Tom


On 9/23/2010 2:33 PM, Sathyan Catari wrote:
> It was required for storing ejb-timer data, not sure about the usage
> in 3.1.
>
> Thanks
> -Sathyan
>
> On 9/23/10 12:21 PM, Tom Mueller wrote:
>> While looking at system call traces from domain startup, I'm seeing
>> that the derby JAR files are being accessed very early, i.e., before
>> OSGi bundles are read in.
>>
>> Is this expected?
>> What causes derby to be brought into the system?
>>
>> AFAIK, there isn't anything in the startup benchmark application that
>> uses a database.
>>
>> Can we gain some improvement in startup time if we avoid bringing in
>> derby?
>>
>> Thanks.
>> Tom
>>
>>
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