Java Open Files on Windows/NTFS - not closing -

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Java Open Files on Windows/NTFS - not closing -

problem: java app embedded database. on linux/mac closing database closes open files. on windows, find database stop cleanly files using held open jvm. ( proc explorer lists them, can't delete or rename them)

i guessing difference between behavior on windows , *ix downwards how jvm interacts ntfs.

any suggestions on how 1 of following:

close file opened thread has terminated? change ntfs settings or jvm property ensure closure?

also open other debug ideas: jstack -l, visualvm, process explorer , running in ide break points introduce pauses etc. have not helped other farther java education on windows.

thanks, fitcs

java windows file-io java-7 windows-server-2012-r2

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