Make sure directory exists before attempting to write to it (#7090)

Summary:
Closes https://github.com/facebook/rocksdb/issues/7053

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7090

Reviewed By: riversand963

Differential Revision: D22481199

Pulled By: pdillinger

fbshipit-source-id: 287477db94d57b18bee58189135f44936f1c3ca3
This commit is contained in:
Adam Retter 2020-07-10 14:25:16 -07:00 committed by Facebook GitHub Bot
parent 4924a506b9
commit 1a8ca6688a

View File

@ -87,7 +87,12 @@ public class NativeLibraryLoader {
if (tmpDir == null || tmpDir.isEmpty()) {
temp = File.createTempFile(tempFilePrefix, tempFileSuffix);
} else {
temp = new File(tmpDir, jniLibraryFileName);
final File parentDir = new File(tmpDir);
if (!parentDir.exists()) {
throw new RuntimeException(
"Directory: " + parentDir.getAbsolutePath() + " does not exist!");
}
temp = new File(parentDir, jniLibraryFileName);
if (temp.exists() && !temp.delete()) {
throw new RuntimeException("File: " + temp.getAbsolutePath()
+ " already exists and cannot be removed.");