busbey commented on a change in pull request #1034: HBASE-23622 Reduced the
number of Checkstyle violations in hbase-common
URL: https://github.com/apache/hbase/pull/1034#discussion_r366521658
##########
File path:
hbase-common/src/main/java/org/apache/hadoop/hbase/util/CommonFSUtils.java
##########
@@ -557,71 +508,44 @@ static void setStoragePolicy(final FileSystem fs, final
Path path, final String
*/
private static void invokeSetStoragePolicy(final FileSystem fs, final Path
path,
final String storagePolicy) throws IOException {
- Method m = null;
Exception toThrow = null;
+
try {
- m = fs.getClass().getDeclaredMethod("setStoragePolicy",
- new Class<?>[] { Path.class, String.class });
- m.setAccessible(true);
- } catch (NoSuchMethodException e) {
- toThrow = e;
- final String msg = "FileSystem doesn't support setStoragePolicy;
HDFS-6584 not available";
- if (!warningMap.containsKey(fs)) {
- warningMap.put(fs, true);
- LOG.warn(msg, e);
- } else if (LOG.isDebugEnabled()) {
- LOG.debug(msg, e);
+ fs.setStoragePolicy(path, storagePolicy);
+
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Set storagePolicy=" + storagePolicy + " for path=" + path);
}
- m = null;
- } catch (SecurityException e) {
+ } catch (Exception e) {
toThrow = e;
- final String msg = "No access to setStoragePolicy on FileSystem;
HDFS-6584 not available";
+ // This swallows FNFE, should we be throwing it? seems more likely to
indicate dev
+ // misuse than a runtime problem with HDFS.
if (!warningMap.containsKey(fs)) {
warningMap.put(fs, true);
- LOG.warn(msg, e);
+ LOG.warn("Unable to set storagePolicy=" + storagePolicy + " for path="
+ path, e);
} else if (LOG.isDebugEnabled()) {
- LOG.debug(msg, e);
+ LOG.debug("Unable to set storagePolicy=" + storagePolicy + " for
path=" + path, e);
}
- m = null; // could happen on setAccessible()
- }
- if (m != null) {
- try {
- m.invoke(fs, path, storagePolicy);
+
+ // check for lack of HDFS-7228
+ final Throwable exception = e.getCause();
Review comment:
I don't think this is correct. wouldn't `e` be the RemoteException?
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