On Mon, 5 Jul 2021 06:01:23 GMT, Yi Yang wrote:
>> Class loading order is different to class initialization order.
>>
>> There are a lot more tests than just tier1. :) I don't expect many, if any,
>> tests to be looking for a specific IOOBE message, and I can't see an easy
>> way to find such tests without running them. If core-libs folk are okay
>> with this update then I guess we can just handle any test failures if they
>> arise. But I'll run this through our tier 1-3 testing.
>>
>> Thanks,
>> David
>
> @dholmes-ora @AlanBateman @PaulSandoz do you have any comments on the latest
> version? Thanks.
> @kelthuzadx I did not see any response to my query about the change in
> initialization (not load) order. I also remain concerned about introducing
> cross dependencies between core classes (e.g. String now uses Precondition,
> so does that impact Precondition using String?) But these are things for the
> core-libs folk to be concerned about, or not.
>
> Cheers,
> David
Hi David, the following are initialization orders:
$./java -Xlog:class+init -version
[0.255s][info][class,init] 0 Initializing 'java/lang/Object'(no method)
(0x00080e18)
[0.255s][info][class,init] 1 Initializing 'java/lang/CharSequence'(no method)
(0x00080006ba68)
[0.255s][info][class,init] 2 Initializing 'java/lang/String'
(0x0008e978)
[0.255s][info][class,init] 3 Initializing 'java/util/Comparator'(no method)
(0x0008000fd760)
[0.255s][info][class,init] 4 Initializing
'java/lang/String$CaseInsensitiveComparator'(no method) (0x000800130988)
[0.255s][info][class,init] 5 Initializing 'java/lang/System'
(0x00088c68)
[0.256s][info][class,init] 6 Initializing
'java/lang/reflect/AnnotatedElement'(no method) (0x00081f88)
[0.256s][info][class,init] 7 Initializing 'java/lang/reflect/Type'(no method)
(0x00082930)
[0.256s][info][class,init] 8 Initializing 'java/lang/Class' (0x00081830)
[0.256s][info][class,init] 9 Initializing 'java/lang/ThreadGroup'(no method)
(0x00080001d348)
[0.257s][info][class,init] 10 Initializing 'java/lang/Thread'
(0x00080001c470)
[0.258s][info][class,init] 11 Initializing 'java/security/AccessController'
(0x00089a80)
[0.258s][info][class,init] 12 Initializing 'java/security/AccessControlContext'
(0x0008000743c8)
[0.258s][info][class,init] 13 Initializing 'java/lang/Module'
(0x0008bab0)
[0.259s][info][class,init] 14 Initializing 'java/lang/Module$ArchivedData'
(0x0008001a05a8)
[0.259s][info][class,init] 15 Initializing 'jdk/internal/misc/CDS'
(0x000800018bf8)
[0.259s][info][class,init] 16 Initializing 'java/lang/Iterable'(no method)
(0x00080008be28)
[0.259s][info][class,init] 17 Initializing 'java/util/Collection'(no method)
(0x00080008c028)
[0.260s][info][class,init] 18 Initializing 'java/util/AbstractCollection'(no
method) (0x0008000381e0)
[0.260s][info][class,init] 19 Initializing
'java/util/ImmutableCollections$AbstractImmutableCollection'(no method)
(0x00080008c2f8)
[0.260s][info][class,init] 20 Initializing 'java/util/Set'(no method)
(0x0008000189f8)
[0.260s][info][class,init] 21 Initializing
'java/util/ImmutableCollections$AbstractImmutableSet'(no method)
(0x00080008d018)
[0.260s][info][class,init] 22 Initializing
'java/util/ImmutableCollections$Set12'(no method) (0x00080008ba18)
[0.369s][info][class,init] 23 Initializing 'jdk/internal/misc/UnsafeConstants'
(0x0008000b4ea0)
[0.369s][info][class,init] 24 Initializing 'java/lang/reflect/AccessibleObject'
(0x00080005b4d8)
[0.370s][info][class,init] 25 Initializing 'java/lang/reflect/ReflectAccess'(no
method) (0x000800013610)
[0.370s][info][class,init] 26 Initializing 'jdk/internal/access/SharedSecrets'
(0x000800013408)
[0.370s][info][class,init] 27 Initializing 'java/lang/invoke/MethodHandles'
(0x000800131720)
[0.371s][info][class,init] 28 Initializing 'java/lang/invoke/MemberName'
(0x0008000de230)
[0.371s][info][class,init] 29 Initializing
'java/lang/invoke/MemberName$Factory' (0x000800023468)
[0.372s][info][class,init] 30 Initializing 'java/security/Permission'(no
method) (0x000800023020)
[0.372s][info][class,init] 31 Initializing 'java/security/BasicPermission'(no
method) (0x000800025de8)
[0.372s][info][class,init] 32 Initializing
'java/lang/reflect/ReflectPermission'(no method) (0x000800025b98)
[0.372s][info][class,init] 33 Initializing 'java/lang/StringLatin1'
(0x000800022e18)
[0.373s][info][class,init] 34 Initializing
'java/lang/invoke/MethodHandles$Lookup' (0x0008000e3708)
[0.373s][info][class,init] 35 Initializing 'java/util/Objects'(no method)
(0x00080008b810)
[0.374s][info][class,init] 36 Initializing 'jdk/internal/reflect/Reflection'
(0x0008fb28)
[0.374s][info][class,init] 37 Initializing 'java/util/ImmutableCollections'
(0x00080008d420)
[0.374s][info][class,init] 38 Initializing 'java/util/List'(no method)
