RFR: 8373628: jpackage doesn't print to console until completetion

[Alexey Semenyuk]

On Fri, 12 Dec 2025 22:09:22 GMT, Alexey Semenyuk <asemenyuk at openjdk.org> wrote:

> Make jpackage ToolProvider implementation implement `ToolProvider#run(PrintStream, PrintStream, String)` method such that it passes `PrintWriter` objects with auto-flush enabled into `ToolProvider#run(PrintWriter, PrintWriter, String)` call.

@sashamatveev PTAL

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PR Comment: https://git.openjdk.org/jdk/pull/28807#issuecomment-3648524595