Groups > comp.lang.java.programmer > #37453

Re: Are Outer Classes Loaded Lazily?

From	j4n bur53 <janburse@fastmail.fm>
Newsgroups	comp.lang.java.programmer
Subject	Re: Are Outer Classes Loaded Lazily?
Date	2017-09-23 18:33 +0200
Organization	albasani.net
Message-ID	<oq62cj$dmg$1@news.albasani.net> (permalink)
References	<opu86b$k29$1@news.albasani.net> <oq13am$9v4$1@gwaiyur.mb-net.net> <oq16v8$sn$1@dont-email.me> <oq2k6k$9b6$1@news.albasani.net> <oq3pru$tkk$1@dont-email.me>

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linking = latter 4 except init

Joshua Cranmer 🐧 schrieb:
> On 9/22/2017 5:12 AM, j4n bur53 wrote:
>> Yes I am interested in loading and not in
>> intialization. Unfortuantely I have not yet
>> managed to add some good load tracing
>>
>> to my app. The suggestion -verbose:class
>> is a command line option, but since I have
>> anyway a custom class loader,
>>
>> maybe I can switch on/off the verbose
>> flag programmatically or pipe my own logging
>> message to somewhere, to figure out
>>
>> whats going on...
>
> The JVM defines roughly 5 distinct stages of loading:
> "Loading" == "find the bytes that make up this class"
> "Verifying" == "make sure the bytes are a valid .class file"
> "Preparing" == "allocate the backing memory for statics"
> "Resolving" == "make sure that references in opcodes are legal"
> "Initializing" == "call <clinit>"
>
> The spec also uses the term "linking" as a catch-all for the latter 4
> steps, but also states that when the stages actually happen are
> flexible. Only the last step is strictly controlled by the JVM. It's
> really vague when loading may occur, but it needs to occur no later than
> the resolution step.
>

Thread

Are Outer Classes Loaded Lazily? j4n bur53 <janburse@fastmail.fm> - 2017-09-20 19:23 +0200
  Re: Are Outer Classes Loaded Lazily? Eric Sosman <esosman@comcast-dot-net.invalid> - 2017-09-20 17:45 -0400
    Re: Are Outer Classes Loaded Lazily? j4n bur53 <janburse@fastmail.fm> - 2017-09-21 01:18 +0200
      Re: Are Outer Classes Loaded Lazily? lewbloch@gmail.com - 2017-09-20 17:28 -0700
        Re: Are Outer Classes Loaded Lazily? j4n bur53 <janburse@fastmail.fm> - 2017-09-21 09:29 +0200
          Re: Are Outer Classes Loaded Lazily? j4n bur53 <janburse@fastmail.fm> - 2017-09-21 09:40 +0200
          Re: Are Outer Classes Loaded Lazily? lewbloch@gmail.com - 2017-09-21 11:44 -0700
  Re: Are Outer Classes Loaded Lazily? Marcel Mueller <news.5.maazl@spamgourmet.org> - 2017-09-21 21:18 +0200
    Re: Are Outer Classes Loaded Lazily? Eric Sosman <esosman@comcast-dot-net.invalid> - 2017-09-21 16:20 -0400
      Re: Are Outer Classes Loaded Lazily? j4n bur53 <janburse@fastmail.fm> - 2017-09-22 11:12 +0200
        Re: Are Outer Classes Loaded Lazily? Joshua Cranmer 🐧 <Pidgeot18@verizon.invalid> - 2017-09-22 15:55 -0400
          Re: Are Outer Classes Loaded Lazily? j4n bur53 <janburse@fastmail.fm> - 2017-09-23 18:33 +0200
    Re: Are Outer Classes Loaded Lazily? lewbloch@gmail.com - 2017-09-22 13:48 -0700
      Re: Are Outer Classes Loaded Lazily? Joshua Cranmer 🐧 <Pidgeot18@verizon.invalid> - 2017-09-22 23:46 -0400
        Re: Are Outer Classes Loaded Lazily? lewbloch@gmail.com - 2017-09-25 13:23 -0700
      Re: Are Outer Classes Loaded Lazily? j4n bur53 <janburse@fastmail.fm> - 2017-09-24 17:39 +0200
        Re: Are Outer Classes Loaded Lazily? Eric Sosman <esosman@comcast-dot-net.invalid> - 2017-09-25 07:38 -0400
        Re: Are Outer Classes Loaded Lazily? lewbloch@gmail.com - 2017-09-25 13:25 -0700

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