Integrated: 8308116: jdk.test.lib.compiler.InMemoryJavaCompiler.compile does not close files

[Axel Boldt-Christmas]

On Tue, 16 May 2023 08:06:15 GMT, Axel Boldt-Christmas <aboldtch at openjdk.org> wrote:

> jdk.test.lib.compiler.InMemoryJavaCompiler.compile(String className, CharSequence sourceCode, String... options) creates a JavaFileManager but fails to close it after the CompilationTask is completed, leaving the file descriptors open until reference processing kicks in.
> 
> Graph below shows number of open file descriptors before and after this patch for a program which compiles dummy classes in a loop. 
> <img width="1116" alt="Before and after" src="https://github.com/openjdk/jdk/assets/1139284/1ecfb32a-735b-4765-bcca-81f67a4c9816">
> 
> Testing: GHA and Oracle CI tier1-3. Tests using jdk.test.lib.compiler.InMemoryJavaCompiler also tested locally.

This pull request has now been integrated.

Changeset: e9320f31
Author:    Axel Boldt-Christmas <aboldtch at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/e9320f31dcc4ff5197e8c3bca504a7d5c1a9035e
Stats:     33 lines in 1 file changed: 15 ins; 15 del; 3 mod

8308116: jdk.test.lib.compiler.InMemoryJavaCompiler.compile does not close files

Reviewed-by: lmesnik, stefank, jlahoda

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PR: https://git.openjdk.org/jdk/pull/14001