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

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

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fe6b236
Make sure directory exists before attempting to write to it
adamretter Jul 6, 2020
fef6c6c
make format
adamretter Jul 7, 2020
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7 changes: 6 additions & 1 deletion java/src/main/java/org/rocksdb/NativeLibraryLoader.java
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Expand Up @@ -87,7 +87,12 @@ File loadLibraryFromJarToTemp(final String tmpDir)
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.");
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