Rebecca,
You might want to note that the -XX options here are specific to the
OpenJDK (or Hotspot) JVM, and will not work with JRockit.
Thanks.
Tom
On 12/16/2010 5:09 PM, Rebecca Parks wrote:
> Hi Tom, Byron, and Sahoo,
>
> I have attempted to consolidate what you have said for the debugging
> chapter of the Dev Guide. Here's what I have. Please correct as needed.
>
> *****
> To generate class loading messages, use the following asadmin
> create-jvm-options command:
>
> asadmin create-jvm-options -verbose\:class
>
> To send the JVM messages to a special JVM log file instead of stdout,
> use the following asadmin create-jvm-options commands:
>
> asadmin create-jvm-options -XX\:+LogVMOutput
> asadmin create-jvm-options
> -XX\:LogFile=${com.sun.aas.instanceRoot}/logs/jvm.log
>
> To send the GlassFish Server messages to the Admin Console instead of
> stderr, start the domain in verbose mode as
> described in Enabling Verbose Mode.
> *****
>
> Rebecca
>
> On 11/30/10 10:38, Tom Mueller wrote:
>> Try doing both. With today's 3.1 build, I added:
>>
>> <jvm-options>-verbose:class</jvm-options>
>>
>> to the server-config, java-config element of the domain.xml, and then
>> ran "asadmin start-domain --verbose" and I see a message printed for
>> each class that is loaded.
>>
>> The JDK verbose messages are printed to stdout, not a logger, so the
>> --verbose option on start-domain is needed to see the output. If you
>> want the output to go to a log file, you can add the following JVM
>> options:
>>
>> <jvm-options>-XX:+LogVMOutput</jvm-options>
>> <jvm-options>-XX:LogFile=${com.sun.aas.instanceRoot}/logs/jvm.log</jvm-options>
>>
>>
>> if you are using the JDK.
>>
>> Tom
>>
>> On 11/30/2010 12:21 PM, Pete Helgren wrote:
>>> I need to get verbose class loading output so that I can diagnose an
>>> error. When I add -verbose:class to the jvm options in domain.xml I
>>> don't see any changes in the logging. If I start the domain with
>>> the --verbose switch I get verbose output but the class loading
>>> isn't verbose.
>>>
>>> Did I miss something?
>>>
>