Suppress javac warning "...is internal proprietary API and may be removed in a future release"

java javac
Steve McLeod picture Steve McLeod · Dec 13, 2012 · Viewed 47.4k times · Source

When I compile the Spring JDBC source on OS X with JDK 1.7.0, I get this warning:

warning: CachedRowSetImpl is internal proprietary API and may be removed in a future release

How do I suppress the warning message during a compile?

I already know and use Java's @SuppressWarning annotations. I'm looking for the specific use of this to suppress the warning I've described.

My question specifically is, in this line of code:

@SuppressWarnings("valuegoeshere")

what should "valuegoeshere" be replaced with?

EDIT: People, I know that it is best to avoid the code that leads to the warning. And usually that would be my approach. However I'm compiling third-party code here which I don't want to rewrite. I just want to add the correct annotation to suppress the warning, so that warnings I can actually do something about don't get buried.

Answer

John Kugelman picture John Kugelman · Dec 13, 2012

This particular warning cannot be suppressed. At least not officially.

The warning about proprietary API means that you should not use the API which causes the warning. Sun does not support such API and the warning will not be suppressible.

If you're particularly determined, you can use the highly undocumented javac -XDignore.symbol.file flag which will compile your program against Sun's internal rt.jar rather than the public-facing symbol file ct.sym. rt.jar doesn't produce this warning.

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