What to do if the java file cannot be deleted

What should I do if the java file cannot be deleted?

Solution to using Java file to delete file.delete() that cannot delete a file

Today, when using springboot to delete a file, it cannot be deleted normally. After a period of investigation, we found that the problem was caused by not closing the data stream after reading the file, so we recorded it again.

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Find the reason

The file cannot be deleted. Generally, the file is occupied by a certain program process. In the code It is very likely that the stream operation was not closed after the data flow operation was completed. If it is a DB file, it is also possible that the DB operation was not closed. Search carefully.

Solution

Find the stream or DB file operation that is not closed, add a closing statement, and then execute the file.delete() operation.

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