RFR: 8301306: java/net/httpclient/* fail with -Xcomp: java.io.IOException: HTTP/1.1 header parser received no bytes

[Alan Bateman]

On Mon, 30 Jan 2023 07:16:17 GMT, SUN Guoyun <duke at openjdk.org> wrote:

> Hi all,
> I think `BackgroundCompilation` should not be set to false when `-Xcomp` be used, which causes the java thread to block for longer, then causing the following tests failed frequently on the AArch64 and LoongArch64 architecture.
> 
> java/net/httpclient/ByteArrayPublishers.java （fastdebug -Xcomp）
> java/net/httpclient/ManyRequestsLegacy.java （fastdebug -Xcomp）
> java/net/httpclient/HttpClientLocalAddrTest.java （fastdebug -Xcomp）
> jdk/incubator/concurrent/StructuredTaskScope/StructuredTaskScopeTest.java （fastdebug -Xcomp）
> java/rmi/server/UnicastRemoteObject/serialFilter/FilterUROTest.java （release -Xcomp）
> 
> This PR delete BackgroundCompilation be setted, Above tests can be passed. Please help review it.
> 
> Thanks.

There was some discussion about these test failures in the JBS issue and I think @sunny868 has accepted that they need to be investigated to see if they are test reliability issues or something else. As always, running tests with -Xcomp can often challenge timeouts and assumption of progress in tests.

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PR: https://git.openjdk.org/jdk/pull/12282