Migrate some uses of Version.luceneVersion() to IndexVersion (#96300)

thecoop · web-flow · commit ec6b7900a91d · 2023-06-08T11:13:15.000-04:00
Redirect some uses of `Version.luceneVersion` to use
`IndexVersion.luceneVersion` instead
diff --git a/qa/full-cluster-restart/src/javaRestTest/java/org/elasticsearch/upgrades/FullClusterRestartIT.java b/qa/full-cluster-restart/src/javaRestTest/java/org/elasticsearch/upgrades/FullClusterRestartIT.java
@@ -26,6 +26,7 @@
 import org.elasticsearch.core.Booleans;
 import org.elasticsearch.core.CheckedFunction;
 import org.elasticsearch.index.IndexSettings;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.mapper.DateFieldMapper;
 import org.elasticsearch.rest.action.admin.indices.RestPutIndexTemplateAction;
 import org.elasticsearch.test.NotEqualMessageBuilder;
@@ -958,7 +959,7 @@ public void testRecovery() throws Exception {
             assertTrue("expected to find a primary but didn't\n" + recoveryResponse, foundPrimary);
             assertEquals("mismatch while checking for translog recovery\n" + recoveryResponse, shouldHaveTranslog, restoredFromTranslog);
 
-            String currentLuceneVersion = Version.CURRENT.luceneVersion().toString();
+            String currentLuceneVersion = IndexVersion.CURRENT.luceneVersion().toString();
             String bwcLuceneVersion = getOldClusterVersion().luceneVersion().toString();
             String minCompatibleBWCVersion = Version.CURRENT.minimumCompatibilityVersion().luceneVersion().toString();
             if (shouldHaveTranslog && false == currentLuceneVersion.equals(bwcLuceneVersion)) {
diff --git a/server/src/internalClusterTest/java/org/elasticsearch/indices/recovery/plan/ShardSnapshotsServiceIT.java b/server/src/internalClusterTest/java/org/elasticsearch/indices/recovery/plan/ShardSnapshotsServiceIT.java
@@ -20,6 +20,7 @@
 import org.elasticsearch.common.util.BigArrays;
 import org.elasticsearch.core.Tuple;
 import org.elasticsearch.env.Environment;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.shard.ShardId;
 import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot;
 import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshots;
@@ -192,7 +193,7 @@ public void testOnlyFetchesSnapshotFromEnabledRepositories() throws Exception {
             assertThat(commitVersion, is(equalTo(Version.CURRENT)));
             final org.apache.lucene.util.Version commitLuceneVersion = shardSnapshotData.getCommitLuceneVersion();
             assertThat(commitLuceneVersion, is(notNullValue()));
-            assertThat(commitLuceneVersion, is(equalTo(Version.CURRENT.luceneVersion())));
+            assertThat(commitLuceneVersion, is(equalTo(IndexVersion.CURRENT.luceneVersion())));
 
             assertThat(shardSnapshotInfo.getShardId(), is(equalTo(shardId)));
             assertThat(shardSnapshotInfo.getSnapshot().getSnapshotId().getName(), is(equalTo(snapshotName)));
diff --git a/server/src/main/java/org/elasticsearch/bootstrap/Elasticsearch.java b/server/src/main/java/org/elasticsearch/bootstrap/Elasticsearch.java
@@ -29,6 +29,7 @@
 import org.elasticsearch.core.IOUtils;
 import org.elasticsearch.core.SuppressForbidden;
 import org.elasticsearch.env.Environment;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.jdk.JarHell;
 import org.elasticsearch.monitor.jvm.HotThreads;
 import org.elasticsearch.monitor.jvm.JvmInfo;
@@ -336,10 +337,10 @@ static void initializeProbes() {
     }
 
     static void checkLucene() {
-        if (Version.CURRENT.luceneVersion().equals(org.apache.lucene.util.Version.LATEST) == false) {
+        if (IndexVersion.CURRENT.luceneVersion().equals(org.apache.lucene.util.Version.LATEST) == false) {
             throw new AssertionError(
                 "Lucene version mismatch this version of Elasticsearch requires lucene version ["
-                    + Version.CURRENT.luceneVersion()
+                    + IndexVersion.CURRENT.luceneVersion()
                     + "]  but the current lucene version is ["
                     + org.apache.lucene.util.Version.LATEST
                     + "]"
diff --git a/server/src/main/java/org/elasticsearch/index/store/Store.java b/server/src/main/java/org/elasticsearch/index/store/Store.java
@@ -61,6 +61,7 @@
 import org.elasticsearch.env.ShardLock;
 import org.elasticsearch.env.ShardLockObtainFailedException;
 import org.elasticsearch.index.IndexSettings;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.engine.CombinedDeletionPolicy;
 import org.elasticsearch.index.engine.Engine;
 import org.elasticsearch.index.seqno.SequenceNumbers;
@@ -817,7 +818,7 @@ static MetadataSnapshot loadFromIndexCommit(IndexCommit commit, Directory direct
                     }
                 }
                 if (maxVersion == null) {
-                    maxVersion = org.elasticsearch.Version.CURRENT.minimumIndexCompatibilityVersion().luceneVersion();
+                    maxVersion = IndexVersion.MINIMUM_COMPATIBLE.luceneVersion();
                 }
                 final String segmentsFile = segmentCommitInfos.getSegmentsFileName();
                 checksumFromLuceneFile(
diff --git a/server/src/test/java/org/elasticsearch/gateway/ReplicaShardAllocatorTests.java b/server/src/test/java/org/elasticsearch/gateway/ReplicaShardAllocatorTests.java
@@ -37,6 +37,7 @@
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.util.set.Sets;
 import org.elasticsearch.core.TimeValue;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.engine.Engine;
 import org.elasticsearch.index.seqno.ReplicationTracker;
 import org.elasticsearch.index.seqno.RetentionLease;
@@ -66,9 +67,7 @@
 import static org.hamcrest.Matchers.hasSize;
 
 public class ReplicaShardAllocatorTests extends ESAllocationTestCase {
-    private static final String MIN_SUPPORTED_LUCENE_VERSION = Version.CURRENT.minimumIndexCompatibilityVersion()
-        .luceneVersion()
-        .toString();
+    private static final String MIN_SUPPORTED_LUCENE_VERSION = IndexVersion.MINIMUM_COMPATIBLE.luceneVersion().toString();
 
     private final ShardId shardId = new ShardId("test", "_na_", 0);
     private final DiscoveryNode node1 = newNode("node1");
diff --git a/server/src/test/java/org/elasticsearch/index/engine/InternalEngineTests.java b/server/src/test/java/org/elasticsearch/index/engine/InternalEngineTests.java
@@ -99,6 +99,7 @@
 import org.elasticsearch.core.Tuple;
 import org.elasticsearch.index.IndexModule;
 import org.elasticsearch.index.IndexSettings;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.VersionType;
 import org.elasticsearch.index.codec.CodecService;
 import org.elasticsearch.index.fieldvisitor.FieldsVisitor;
@@ -6725,7 +6726,7 @@ public long softUpdateDocuments(Term term, Iterable<? extends Iterable<? extends
             Map<String, String> userData = new HashMap<>(store.readLastCommittedSegmentsInfo().userData);
             userData.remove(Engine.MIN_RETAINED_SEQNO);
             IndexWriterConfig indexWriterConfig = new IndexWriterConfig(null).setOpenMode(IndexWriterConfig.OpenMode.APPEND)
-                .setIndexCreatedVersionMajor(Version.CURRENT.luceneVersion().major)
+                .setIndexCreatedVersionMajor(IndexVersion.CURRENT.luceneVersion().major)
                 .setSoftDeletesField(Lucene.SOFT_DELETES_FIELD)
                 .setCommitOnClose(false)
                 .setMergePolicy(NoMergePolicy.INSTANCE);
diff --git a/server/src/test/java/org/elasticsearch/index/snapshots/blobstore/FileInfoTests.java b/server/src/test/java/org/elasticsearch/index/snapshots/blobstore/FileInfoTests.java
@@ -12,6 +12,7 @@
 import org.elasticsearch.ElasticsearchParseException;
 import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.unit.ByteSizeValue;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot.FileInfo;
 import org.elasticsearch.index.store.StoreFileMetadata;
 import org.elasticsearch.test.ESTestCase;
@@ -31,8 +32,7 @@
 import static org.hamcrest.Matchers.is;
 
 public class FileInfoTests extends ESTestCase {
-    private static final Version MIN_SUPPORTED_LUCENE_VERSION = org.elasticsearch.Version.CURRENT.minimumIndexCompatibilityVersion()
-        .luceneVersion();
+    private static final Version MIN_SUPPORTED_LUCENE_VERSION = IndexVersion.MINIMUM_COMPATIBLE.luceneVersion();
 
     public void testToFromXContent() throws IOException {
         final int iters = scaledRandomIntBetween(1, 10);
diff --git a/server/src/test/java/org/elasticsearch/index/store/StoreTests.java b/server/src/test/java/org/elasticsearch/index/store/StoreTests.java
@@ -54,6 +54,7 @@
 import org.elasticsearch.env.ShardLock;
 import org.elasticsearch.index.Index;
 import org.elasticsearch.index.IndexSettings;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.engine.Engine;
 import org.elasticsearch.index.seqno.ReplicationTracker;
 import org.elasticsearch.index.seqno.RetentionLease;
@@ -105,8 +106,7 @@ public class StoreTests extends ESTestCase {
         "index",
         Settings.builder().put(IndexMetadata.SETTING_VERSION_CREATED, org.elasticsearch.Version.CURRENT).build()
     );
-    private static final Version MIN_SUPPORTED_LUCENE_VERSION = org.elasticsearch.Version.CURRENT.minimumIndexCompatibilityVersion()
-        .luceneVersion();
+    private static final Version MIN_SUPPORTED_LUCENE_VERSION = IndexVersion.MINIMUM_COMPATIBLE.luceneVersion();
 
     public void testRefCount() {
         final ShardId shardId = new ShardId("index", "_na_", 1);
diff --git a/server/src/test/java/org/elasticsearch/indices/recovery/RecoveryStatusTests.java b/server/src/test/java/org/elasticsearch/indices/recovery/RecoveryStatusTests.java
@@ -13,6 +13,7 @@
 import org.apache.lucene.util.Version;
 import org.elasticsearch.common.util.set.Sets;
 import org.elasticsearch.index.IndexService;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.shard.IndexShard;
 import org.elasticsearch.index.store.StoreFileMetadata;
 import org.elasticsearch.test.ESSingleNodeTestCase;
@@ -22,8 +23,7 @@
 import java.util.regex.Pattern;
 
 public class RecoveryStatusTests extends ESSingleNodeTestCase {
-    private static final Version MIN_SUPPORTED_LUCENE_VERSION = org.elasticsearch.Version.CURRENT.minimumIndexCompatibilityVersion()
-        .luceneVersion();
+    private static final Version MIN_SUPPORTED_LUCENE_VERSION = IndexVersion.MINIMUM_COMPATIBLE.luceneVersion();
 
     public void testRenameTempFiles() throws IOException {
         IndexService service = createIndex("foo");
diff --git a/server/src/test/java/org/elasticsearch/repositories/blobstore/ShardSnapshotTaskRunnerTests.java b/server/src/test/java/org/elasticsearch/repositories/blobstore/ShardSnapshotTaskRunnerTests.java
@@ -16,6 +16,7 @@
 import org.elasticsearch.common.UUIDs;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.index.IndexSettings;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.engine.Engine;
 import org.elasticsearch.index.shard.ShardId;
 import org.elasticsearch.index.snapshots.IndexShardSnapshotStatus;
@@ -101,7 +102,7 @@ public int finishedShardSnapshotTasks() {
 
     public static BlobStoreIndexShardSnapshot.FileInfo dummyFileInfo() {
         String filename = randomAlphaOfLength(10);
-        StoreFileMetadata metadata = new StoreFileMetadata(filename, 10, "CHECKSUM", Version.CURRENT.luceneVersion().toString());
+        StoreFileMetadata metadata = new StoreFileMetadata(filename, 10, "CHECKSUM", IndexVersion.CURRENT.luceneVersion().toString());
         return new BlobStoreIndexShardSnapshot.FileInfo(filename, metadata, null);
     }
 
diff --git a/test/framework/src/main/java/org/elasticsearch/test/ESTestCase.java b/test/framework/src/main/java/org/elasticsearch/test/ESTestCase.java
@@ -84,6 +84,7 @@
 import org.elasticsearch.env.TestEnvironment;
 import org.elasticsearch.index.Index;
 import org.elasticsearch.index.IndexSettings;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.analysis.AnalysisRegistry;
 import org.elasticsearch.index.analysis.CharFilterFactory;
 import org.elasticsearch.index.analysis.IndexAnalyzers;
@@ -1896,7 +1897,7 @@ public String toString() {
      * @param message an additional message or link with information on the fix
      */
     protected void skipTestWaitingForLuceneFix(org.apache.lucene.util.Version luceneVersionWithFix, String message) {
-        final boolean currentVersionHasFix = Version.CURRENT.luceneVersion().onOrAfter(luceneVersionWithFix);
+        final boolean currentVersionHasFix = IndexVersion.CURRENT.luceneVersion().onOrAfter(luceneVersionWithFix);
         assumeTrue("Skipping test as it is waiting on a Lucene fix: " + message, currentVersionHasFix);
         fail("Remove call of skipTestWaitingForLuceneFix in " + RandomizedTest.getContext().getTargetMethod());
     }
diff --git a/x-pack/plugin/searchable-snapshots/src/test/java/org/elasticsearch/xpack/searchablesnapshots/store/SearchableSnapshotDirectoryStatsTests.java b/x-pack/plugin/searchable-snapshots/src/test/java/org/elasticsearch/xpack/searchablesnapshots/store/SearchableSnapshotDirectoryStatsTests.java
@@ -28,6 +28,7 @@
 import org.elasticsearch.common.unit.ByteSizeUnit;
 import org.elasticsearch.common.unit.ByteSizeValue;
 import org.elasticsearch.core.TimeValue;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.shard.ShardId;
 import org.elasticsearch.index.shard.ShardPath;
 import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot;
@@ -641,7 +642,7 @@ private void executeTestCase(
             fileName,
             fileContent.length,
             fileChecksum,
-            Version.CURRENT.luceneVersion().toString()
+            IndexVersion.CURRENT.luceneVersion().toString()
         );
         final List<FileInfo> files = List.of(new FileInfo(blobName, metadata, ByteSizeValue.ofBytes(fileContent.length)));
         final BlobStoreIndexShardSnapshot snapshot = new BlobStoreIndexShardSnapshot(snapshotId.getName(), files, 0L, 0L, 0, 0L);
diff --git a/x-pack/plugin/searchable-snapshots/src/test/java/org/elasticsearch/xpack/searchablesnapshots/store/SearchableSnapshotDirectoryTests.java b/x-pack/plugin/searchable-snapshots/src/test/java/org/elasticsearch/xpack/searchablesnapshots/store/SearchableSnapshotDirectoryTests.java
@@ -69,6 +69,7 @@
 import org.elasticsearch.env.Environment;
 import org.elasticsearch.index.Index;
 import org.elasticsearch.index.IndexSettings;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.engine.Engine;
 import org.elasticsearch.index.seqno.SequenceNumbers;
 import org.elasticsearch.index.shard.ShardId;
@@ -734,7 +735,7 @@ public void testClearCache() throws Exception {
                 randomFiles.add(
                     new BlobStoreIndexShardSnapshot.FileInfo(
                         blobName,
-                        new StoreFileMetadata(fileName, input.length, checksum, Version.CURRENT.luceneVersion().toString()),
+                        new StoreFileMetadata(fileName, input.length, checksum, IndexVersion.CURRENT.luceneVersion().toString()),
                         ByteSizeValue.ofBytes(input.length)
                     )
                 );
diff --git a/x-pack/plugin/searchable-snapshots/src/test/java/org/elasticsearch/xpack/searchablesnapshots/store/input/CachedBlobContainerIndexInputTests.java b/x-pack/plugin/searchable-snapshots/src/test/java/org/elasticsearch/xpack/searchablesnapshots/store/input/CachedBlobContainerIndexInputTests.java
@@ -8,7 +8,6 @@
 
 import org.apache.lucene.store.IndexInput;
 import org.elasticsearch.ExceptionsHelper;
-import org.elasticsearch.Version;
 import org.elasticsearch.action.support.PlainActionFuture;
 import org.elasticsearch.blobcache.BlobCacheTestUtils;
 import org.elasticsearch.blobcache.shared.SharedBlobCacheService;
@@ -17,6 +16,7 @@
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.unit.ByteSizeValue;
 import org.elasticsearch.core.Tuple;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.shard.ShardId;
 import org.elasticsearch.index.shard.ShardPath;
 import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot;
@@ -75,7 +75,7 @@ public void testRandomReads() throws Exception {
                     fileName,
                     input.length,
                     checksum,
-                    Version.CURRENT.luceneVersion().toString()
+                    IndexVersion.CURRENT.luceneVersion().toString()
                 );
 
                 final int partSize = randomBoolean() ? input.length : randomIntBetween(1, input.length);
@@ -194,7 +194,7 @@ public void testThrowsEOFException() throws Exception {
                 fileName,
                 input.length,
                 checksum,
-                Version.CURRENT.luceneVersion().toString()
+                IndexVersion.CURRENT.luceneVersion().toString()
             );
 
             final BlobStoreIndexShardSnapshot snapshot = new BlobStoreIndexShardSnapshot(
diff --git a/x-pack/plugin/searchable-snapshots/src/test/java/org/elasticsearch/xpack/searchablesnapshots/store/input/FrozenIndexInputTests.java b/x-pack/plugin/searchable-snapshots/src/test/java/org/elasticsearch/xpack/searchablesnapshots/store/input/FrozenIndexInputTests.java
@@ -8,7 +8,6 @@
 package org.elasticsearch.xpack.searchablesnapshots.store.input;
 
 import org.apache.lucene.store.IndexInput;
-import org.elasticsearch.Version;
 import org.elasticsearch.action.ActionListener;
 import org.elasticsearch.blobcache.shared.SharedBlobCacheService;
 import org.elasticsearch.blobcache.shared.SharedBytes;
@@ -19,6 +18,7 @@
 import org.elasticsearch.env.NodeEnvironment;
 import org.elasticsearch.env.TestEnvironment;
 import org.elasticsearch.index.Index;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.shard.ShardId;
 import org.elasticsearch.index.shard.ShardPath;
 import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot;
@@ -55,7 +55,7 @@ public void testRandomReads() throws IOException {
 
         final FileInfo fileInfo = new FileInfo(
             randomAlphaOfLength(10),
-            new StoreFileMetadata(fileName, fileData.length, checksum, Version.CURRENT.luceneVersion().toString()),
+            new StoreFileMetadata(fileName, fileData.length, checksum, IndexVersion.CURRENT.luceneVersion().toString()),
             ByteSizeValue.ofBytes(fileData.length)
         );
 
diff --git a/x-pack/plugin/snapshot-based-recoveries/src/main/java/org/elasticsearch/xpack/snapshotbasedrecoveries/recovery/plan/SnapshotsRecoveryPlannerService.java b/x-pack/plugin/snapshot-based-recoveries/src/main/java/org/elasticsearch/xpack/snapshotbasedrecoveries/recovery/plan/SnapshotsRecoveryPlannerService.java
@@ -13,6 +13,7 @@
 import org.elasticsearch.action.ActionListener;
 import org.elasticsearch.common.Strings;
 import org.elasticsearch.core.Nullable;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.shard.ShardId;
 import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot;
 import org.elasticsearch.index.store.Store;
@@ -188,7 +189,7 @@ private boolean isSnapshotVersionCompatible(ShardSnapshot snapshot) {
         // same version.
         if (commitVersion == null) {
             assert SEQ_NO_SNAPSHOT_RECOVERIES_SUPPORTED_VERSION.luceneVersion().onOrAfter(snapshot.getCommitLuceneVersion());
-            return Version.CURRENT.luceneVersion().onOrAfter(snapshot.getCommitLuceneVersion());
+            return IndexVersion.CURRENT.luceneVersion().onOrAfter(snapshot.getCommitLuceneVersion());
         }
         return commitVersion.onOrBefore(Version.CURRENT);
     }
diff --git a/x-pack/plugin/snapshot-based-recoveries/src/test/java/org/elasticsearch/xpack/snapshotbasedrecoveries/recovery/plan/SnapshotsRecoveryPlannerServiceTests.java b/x-pack/plugin/snapshot-based-recoveries/src/test/java/org/elasticsearch/xpack/snapshotbasedrecoveries/recovery/plan/SnapshotsRecoveryPlannerServiceTests.java
@@ -27,6 +27,7 @@
 import org.elasticsearch.core.CheckedConsumer;
 import org.elasticsearch.core.IOUtils;
 import org.elasticsearch.index.IndexSettings;
+import org.elasticsearch.index.IndexVersion;
 import org.elasticsearch.index.shard.ShardId;
 import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot;
 import org.elasticsearch.index.store.Store;
@@ -600,7 +601,7 @@ private void writeRandomDocs(Store store, int numDocs) throws IOException {
     }
 
     private ShardSnapshot createShardSnapshotThatDoNotShareSegmentFiles(String repoName) {
-        return createShardSnapshotThatDoNotShareSegmentFiles(repoName, Version.CURRENT, Version.CURRENT.luceneVersion());
+        return createShardSnapshotThatDoNotShareSegmentFiles(repoName, Version.CURRENT, IndexVersion.CURRENT.luceneVersion());
     }
 
     private ShardSnapshot createShardSnapshotThatDoNotShareSegmentFiles(
@@ -629,7 +630,7 @@ private ShardSnapshot createShardSnapshotThatSharesSegmentFiles(Store store, Str
             );
             snapshotFiles.add(fileInfo);
         }
-        return createShardSnapshot(repository, snapshotFiles, Version.CURRENT, Version.CURRENT.luceneVersion());
+        return createShardSnapshot(repository, snapshotFiles, Version.CURRENT, IndexVersion.CURRENT.luceneVersion());
     }
 
     private ShardSnapshot createShardSnapshot(

Original file line number	Diff line number	Diff line change
`@@ -61,6 +61,7 @@`
`61`	`61`	`import org.elasticsearch.env.ShardLock;`
`62`	`62`	`import org.elasticsearch.env.ShardLockObtainFailedException;`
`63`	`63`	`import org.elasticsearch.index.IndexSettings;`
	`64`	`+import org.elasticsearch.index.IndexVersion;`
`64`	`65`	`import org.elasticsearch.index.engine.CombinedDeletionPolicy;`
`65`	`66`	`import org.elasticsearch.index.engine.Engine;`
`66`	`67`	`import org.elasticsearch.index.seqno.SequenceNumbers;`
`@@ -817,7 +818,7 @@ static MetadataSnapshot loadFromIndexCommit(IndexCommit commit, Directory direct`
`817`	`818`	`}`
`818`	`819`	`}`
`819`	`820`	`if (maxVersion == null) {`
`820`		`- maxVersion = org.elasticsearch.Version.CURRENT.minimumIndexCompatibilityVersion().luceneVersion();`
	`821`	`+ maxVersion = IndexVersion.MINIMUM_COMPATIBLE.luceneVersion();`
`821`	`822`	`}`
`822`	`823`	`final String segmentsFile = segmentCommitInfos.getSegmentsFileName();`
`823`	`824`	`checksumFromLuceneFile(`