fix a few versionAdded values in ElasticsearchExceptions (#37877)

TooManyBucketsException was introduced in v6.2
and SnapshotInProgressException was introduced in v6.7

Author: talevy

server/src/main/java/org/elasticsearch/ElasticsearchException.java

@@ -1006,11 +1006,11 @@ private enum ElasticsearchExceptionHandle {
         UNKNOWN_NAMED_OBJECT_EXCEPTION(org.elasticsearch.common.xcontent.UnknownNamedObjectException.class,
                 org.elasticsearch.common.xcontent.UnknownNamedObjectException::new, 148, UNKNOWN_VERSION_ADDED),
         TOO_MANY_BUCKETS_EXCEPTION(MultiBucketConsumerService.TooManyBucketsException.class,
-            MultiBucketConsumerService.TooManyBucketsException::new, 149, Version.V_7_0_0),
+            MultiBucketConsumerService.TooManyBucketsException::new, 149, Version.V_6_2_0),
         COORDINATION_STATE_REJECTED_EXCEPTION(org.elasticsearch.cluster.coordination.CoordinationStateRejectedException.class,
             org.elasticsearch.cluster.coordination.CoordinationStateRejectedException::new, 150, Version.V_7_0_0),
         SNAPSHOT_IN_PROGRESS_EXCEPTION(org.elasticsearch.snapshots.SnapshotInProgressException.class,
-            org.elasticsearch.snapshots.SnapshotInProgressException::new, 151, Version.V_7_0_0),
+            org.elasticsearch.snapshots.SnapshotInProgressException::new, 151, Version.V_6_7_0),
         NO_SUCH_REMOTE_CLUSTER_EXCEPTION(org.elasticsearch.transport.NoSuchRemoteClusterException.class,
             org.elasticsearch.transport.NoSuchRemoteClusterException::new, 152, Version.V_6_7_0);
 

server/src/test/java/org/elasticsearch/ExceptionSerializationTests.java

@@ -363,9 +363,9 @@ public void testCircuitBreakingException() throws IOException {
     }
 
     public void testTooManyBucketsException() throws IOException {
+        Version version = VersionUtils.randomVersionBetween(random(), Version.V_6_2_0, Version.CURRENT);
         MultiBucketConsumerService.TooManyBucketsException ex =
-            serialize(new MultiBucketConsumerService.TooManyBucketsException("Too many buckets", 100),
-                randomFrom(Version.V_7_0_0));
+            serialize(new MultiBucketConsumerService.TooManyBucketsException("Too many buckets", 100), version);
         assertEquals("Too many buckets", ex.getMessage());
         assertEquals(100, ex.getMaxBuckets());
     }
@@ -880,6 +880,13 @@ public void testShardLockObtainFailedException() throws IOException {
         assertEquals(orig.getShardId(), ex.getShardId());
     }
 
+    public void testSnapshotInProgressException() throws IOException {
+        SnapshotInProgressException orig = new SnapshotInProgressException("boom");
+        Version version = VersionUtils.randomVersionBetween(random(), Version.V_6_7_0, Version.CURRENT);
+        SnapshotInProgressException ex = serialize(orig, version);
+        assertEquals(orig.getMessage(), ex.getMessage());
+    }
+
     private static class UnknownException extends Exception {
         UnknownException(final String message, final Exception cause) {
             super(message, cause);