steveloughran commented on code in PR #4998:
URL: https://github.com/apache/hadoop/pull/4998#discussion_r1090918223
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/alias/LocalKeyStoreProvider.java:
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@@ -142,20 +142,26 @@ protected void initFileSystem(URI uri)
@Override
public void flush() throws IOException {
- super.flush();
- if (LOG.isDebugEnabled()) {
- LOG.debug("Resetting permissions to '" + permissions + "'");
- }
- if (!Shell.WINDOWS) {
- Files.setPosixFilePermissions(Paths.get(file.getCanonicalPath()),
- permissions);
- } else {
- // FsPermission expects a 10-character string because of the leading
- // directory indicator, i.e. "drwx------". The JDK toString method
returns
- // a 9-character string, so prepend a leading character.
- FsPermission fsPermission = FsPermission.valueOf(
- "-" + PosixFilePermissions.toString(permissions));
- FileUtil.setPermission(file, fsPermission);
+ super.getWriteLock().lock();
Review Comment:
no need for the super. prefix here
but: we do now require lock() to be reentrant
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