RFR: 8308310: HttpClient: Avoid logging or locking from within synchronized blocks [v2]

Andrey Turbanov aturbanov at openjdk.org
Thu May 18 10:20:56 UTC 2023


On Thu, 18 May 2023 10:04:10 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> Please find here a change that revisits usage of monitors in the HttpClient.
>> 
>> With Virtual Threads now part of the platform it should be possible to pass a newVirtualThreadPerTaskExecutor to the HttpClient. Logging, when enabled, and when called from a synchronized block, can cause the carrier thread to get pinned in case of contention when printing through the underlying PrintStream.
>> 
>> This change aims at avoiding situations where the carrier threads might get pinned.
>
> Daniel Fuchs has updated the pull request incrementally with three additional commits since the last revision:
> 
>  - Update src/java.net.http/share/classes/jdk/internal/net/http/Http1Response.java
>    
>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
>  - Update src/java.net.http/share/classes/jdk/internal/net/http/ConnectionPool.java
>    
>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
>  - Update test/jdk/java/net/httpclient/AuthFilterCacheTest.java
>    
>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>

src/java.net.http/share/classes/jdk/internal/net/http/ConnectionPool.java line 167:

> 165: 
> 166:     private HttpConnection getConnection0(boolean secure,
> 167:                                   InetSocketAddress addr,

let's align parameters

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PR Review Comment: https://git.openjdk.org/jdk/pull/14038#discussion_r1197649916


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