yandrey321 commented on code in PR #9770:
URL: https://github.com/apache/ozone/pull/9770#discussion_r2809846537


##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/snapshot/SnapshotStorageException.java:
##########
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.ozone.om.snapshot;
+
+import java.io.UncheckedIOException;
+import org.apache.hadoop.hdds.utils.db.RocksDatabaseException;
+import org.rocksdb.RocksDBException;
+
+/**
+ * Unchecked wrapper for snapshot metadata store failures.
+ */
+public class SnapshotStorageException extends RuntimeException {
+
+  public SnapshotStorageException(String message, Exception cause) {
+    super(message, cause);
+  }
+
+  public static SnapshotStorageException fromRocksDB(String op,
+                                                      RocksDBException e) {
+    return new SnapshotStorageException("Failed to " + op,

Review Comment:
   adding prefix to the message inside ctor would prevent developers from 
grepping the message in code.



##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/snapshot/SnapshotStorageException.java:
##########
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.ozone.om.snapshot;
+
+import java.io.UncheckedIOException;
+import org.apache.hadoop.hdds.utils.db.RocksDatabaseException;
+import org.rocksdb.RocksDBException;
+
+/**
+ * Unchecked wrapper for snapshot metadata store failures.
+ */
+public class SnapshotStorageException extends RuntimeException {
+
+  public SnapshotStorageException(String message, Exception cause) {
+    super(message, cause);
+  }
+
+  public static SnapshotStorageException fromRocksDB(String op,
+                                                      RocksDBException e) {
+    return new SnapshotStorageException("Failed to " + op,
+        new RocksDatabaseException("Failed to " + op, e));
+  }
+
+  public static SnapshotStorageException fromIO(String op,
+                                                java.io.IOException e) {
+    return new SnapshotStorageException("Failed to " + op,

Review Comment:
   adding prefix to the message inside ctor would prevent developers from 
grepping the message in code.



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