And then there were none: -Xlint:all enabled int the build of JDK 9 jdk repo

joe darcy joe.darcy at oracle.com
Wed Jan 21 19:03:38 UTC 2015


A follow-up below...

On 1/16/2015 10:45 AM, Jonathan Gibbons wrote:
> On 01/15/2015 07:36 PM, joe darcy wrote:
>> Hello,
>>
>> After a small language change to make the effort tractable [1], and 
>> another round of code cleanup [2], the deprecation warnings have been 
>> eliminated from the build of the jdk repository of JDK 9 [3].
>>
>> That means that coming after the previous waves of warnings cleanup, 
>> *all* the lint warnings are now enabled in the build of the jdk repo!
>>
>> The effort of clearing all these lint warnings has taken place over 
>> many months building on the contribution of many people. I'd like to 
>> especially recognize Stuart Marks and Alan Bateman for early work 
>> cleaning up the libraries, Jan Lahoda for implementing the supporting 
>> language change, Jason Uh for help running build jobs, and Phil Race 
>> for many reviews of changes to client code.
>>
>> Thanks,
>>
>> -Joe
>>
>> [1] JEP 211: Elide Deprecation Warnings on Import Statements, 
>> http://openjdk.java.net/jeps/211
>>
>> [2] JDK-8066616 Suppress deprecation warnings in jdk libraries, 
>> https://bugs.openjdk.java.net/browse/JDK-8066616
>>
>> [3] http://hg.openjdk.java.net/jdk9/dev/rev/f1dc16345985
>>
>
>
> Joe,
>
> This is indeed good news, and shows that if you keep chipping away at 
> the backlog, you can get to a satisfactory conclusion.
>
> Now that we have achieved this goal, we need to be able to stay there. 
> I presume that along with -Xlint:all, we also have -Werror, to make 
> fatail errors from any future lapses.
>
> Also, what is the "score sheet" across the other repos in the forest?
>

After getting some tips over on build-dev, here are the warning stats 
for the modules hosted in the other repos:

# corba repo: 6664 total warnings

java.corba: 5982 total warnings
[rawtypes]: 3260
[unchecked]: 1446
[serial]: 544
[cast]: 386
[deprecation]: 309
[static]: 22
[fallthrough]: 12
[dep-ann]: 2

java.sql: 1 total warning
[serial]: 1

jdk.rmic: 681 total warnings
[unchecked]: 126
[rawtypes]: 494
[cast]: 18
[deprecation]: 40
[fallthrough]: 2

# jaxp repo: 5230 total warnings

java.xml: 5230 total warnings
[rawtypes]: 2238
[unchecked] 2285
[cast]: 160
[dep-ann]: 109
[deprecation]: 91
[fallthrough]: 46
[serial]: 280
[static]: 21

# jaxws repo: 6021 total warnings

java.activation: 169 total warnings
[rawtypes]: 100
[unchecked]: 60
[cast]: 2
[dep-ann]: 2
[serial]: 5

java.annotations.common: no warnings

java.xml.bind: 1868 total warnings
[rawtypes]: 1163
[unchecked]: 504
[cast]: 3
[dep-ann]: 43
[deprecation]: 117
[fallthrough]: 12
[serial]: 25
[static]: 1

java.xml.ws: 1645 total warnings
[rawtypes]: 824
[unchecked]: 372
[cast]: 15
[dep-ann]: 142
[deprecation]: 193
[fallthrough]: 4
[serial]: 89
[static]: 6

jdk.xml.bind: 1475 total warnings
[rawtypes]: 766
[unchecked]: 570
[cast]: 23
[dep-ann]: 39
[deprecation]: 42
[fallthrough]: 4
[serial]: 31

jdk.xml.ws: 864 total warnings
[rawtypes]: 286
[unchecked]: 228
[cast]: 12
[dep-ann]: 7
[deprecation]: 319
[serial]: 12

Fixing warnings is fun and rewarding; luckily there are still plenty of 
warnings for others to enjoy resolving ;-)

As in the jdk repo, the preponderance of the warnings are 
rawtypes/unchecked. I'd recommend prioritizing fixing the warnings 
categories other than rawtypes and unchecked.

Cheers,

-Joe


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