Cleanup comments&imports

Author: passaro

hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Invoker.java

@@ -170,7 +170,7 @@ public static void once(String action, String path,
 
   /**
    *
-   * Wait for a future, translating AmazonClientException into an IOException.
+   * Wait for a future, translating SdkException into an IOException.
    * @param action action to execute (used in error messages)
    * @param path path of work (used in error messages)
    * @param future future to await for

hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java

@@ -2171,7 +2171,7 @@ private Pair<S3AFileStatus, S3AFileStatus> initiateRename(
    * This operation throws an exception on any failure which needs to be
    * reported and downgraded to a failure.
    * Retries: retry translated, assuming all operations it is called do
-   * so. For safely, consider catch and handle AmazonClientException
+   * so. For safely, consider catch and handle SdkException
    * because this is such a complex method there's a risk it could surface.
    * @param source path to be renamed
    * @param dest new path after rename
@@ -3840,7 +3840,7 @@ private boolean s3Exists(final Path path, final Set<StatusProbeEnum> probes)
    * @throws IOException IO problem
    * @throws FileAlreadyExistsException the destination file exists and
    * overwrite==false
-   * @throws AmazonClientException failure in the AWS SDK
+   * @throws SdkException failure in the AWS SDK
    */
   @Override
   @AuditEntryPoint
@@ -4331,7 +4331,7 @@ private CopyObjectResponse copyFile(String srcKey, String dstKey, long size,
    * Retry policy: none + untranslated.
    * @param request request to initiate
    * @return the result of the call
-   * @throws AmazonClientException on failures inside the AWS SDK
+   * @throws SdkException on failures inside the AWS SDK
    * @throws IOException Other IO problems
    */
   @Retries.OnceRaw
@@ -5042,7 +5042,7 @@ public MultipartUtils.UploadIterator listUploads(@Nullable String prefix)
    * Retry policy: retry, translated.
    * @return a listing of multipart uploads.
    * @param prefix prefix to scan for, "" for none
-   * @throws IOException IO failure, including any uprated AmazonClientException
+   * @throws IOException IO failure, including any uprated SdkException
    */
   @InterfaceAudience.Private
   @Retries.RetryTranslated

hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3ARetryPolicy.java

@@ -70,7 +70,7 @@
  * particularly those extracted from
  * {@link S3AUtils#translateException(String, Path, SdkException)}.
  * Because the {@link #shouldRetry(Exception, int, int, boolean)} method
- * does this translation if an {@code AmazonClientException} is processed,
+ * does this translation if an {@code SdkException} is processed,
  * the policy defined for the IOEs also applies to the original exceptions.
  *
  * Put differently: this retry policy aims to work for handlers of the

hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/NoAuthWithAWSException.java

@@ -21,7 +21,7 @@
 import org.apache.hadoop.fs.s3a.CredentialInitializationException;
 
 /**
- * A specific subclass of {@code AmazonClientException} which is
+ * A specific subclass of {@code SdkException} which is
  * used in the S3A retry policy to fail fast when there is any
  * authentication problem.
  */

hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/ITestRenameDeleteRace.java

@@ -23,13 +23,13 @@
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
 
-import com.amazonaws.AmazonClientException;
-
 import org.assertj.core.api.Assertions;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import software.amazon.awssdk.core.exception.SdkException;
+
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.contract.ContractTestUtils;
@@ -207,7 +207,7 @@ private BlockingFakeDirMarkerFS() {
 
     @Override
     protected void maybeCreateFakeParentDirectory(final Path path)
-        throws IOException, AmazonClientException {
+        throws IOException, SdkException {
       LOG.info("waking anything blocked on the signal semaphore");
       // notify anything waiting
       signalCreatingFakeParentDirectory.release();