measuring object size in Java

Laurence Cable larry.cable at oracle.com
Fri Sep 29 15:31:40 UTC 2023



On 9/28/23 10:38 PM, Alan Bateman wrote:
>
>
> On 28/09/2023 21:42, daniel.daugherty at oracle.com wrote:
>> java.lang.instrument is owned by the Serviceability Team so I'm 
>> redirecting this
>> message to that alias...
>
> This doesn't look like a JDK issue, instead it looks like 
> |com.github.jelmerk.ObjectSizeFetcher has an Instrumentation field 
> that is null. SO is a reasonable place to discuss usage issues like 
> this although I see one of the answers about agents getting its own 
> class loader is confusing as the agent class is loaded by the 
> application class loader, the VM doesn't create a class loader for 
> agents.|
>

perhaps the next step is to test the example 'standalone' as opposed to 
being executed from maven plugin...

> -Alan.
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