FilePermission Canonical path optimization

Wang Weijun at
Mon Dec 1 08:36:20 UTC 2014

Do you need some kind of synchronization on the get_dir_rec() method?


> On Dec 1, 2014, at 16:06, deven you <youdwei at> wrote:
> Hi All,
> File.getCanonicalPath() is a very time-consuming method, we observed
> significant performance degradation from some application's startup stage
> with However, lazying load the calls to
> getCanonicalPath() from java.ioFilePermission is straightforward and solve
> this problem effectively. Openjdk bug[1]  tracks this bug and here is the
> patch [2]. Could anyone take a look?
> [1]
> [2]

More information about the core-libs-dev mailing list