[7.16] Drop non-setting deprecations down to warning level

modules/analysis-common/src/main/java/org/elasticsearch/analysis/common/CommonAnalysisPlugin.java

@@ -248,7 +248,7 @@ public Map<String, AnalysisProvider<TokenFilterFactory>> getTokenFilters() {
         filters.put("dutch_stem", DutchStemTokenFilterFactory::new);
         filters.put("edge_ngram", EdgeNGramTokenFilterFactory::new);
         filters.put("edgeNGram", (IndexSettings indexSettings, Environment environment, String name, Settings settings) -> {
-            deprecationLogger.critical(
+            deprecationLogger.warn(
                 DeprecationCategory.ANALYSIS,
                 "edgeNGram_deprecation",
                 "The [edgeNGram] token filter name is deprecated and will be removed in a future version. "
@@ -276,7 +276,7 @@ public Map<String, AnalysisProvider<TokenFilterFactory>> getTokenFilters() {
         filters.put("multiplexer", MultiplexerTokenFilterFactory::new);
         filters.put("ngram", NGramTokenFilterFactory::new);
         filters.put("nGram", (IndexSettings indexSettings, Environment environment, String name, Settings settings) -> {
-            deprecationLogger.critical(
+            deprecationLogger.warn(
                 DeprecationCategory.ANALYSIS,
                 "nGram_deprecation",
                 "The [nGram] token filter name is deprecated and will be removed in a future version. "
@@ -330,7 +330,7 @@ public Map<String, AnalysisProvider<TokenizerFactory>> getTokenizers() {
         tokenizers.put("thai", ThaiTokenizerFactory::new);
         tokenizers.put("nGram", (IndexSettings indexSettings, Environment environment, String name, Settings settings) -> {
             if (indexSettings.getIndexVersionCreated().onOrAfter(org.elasticsearch.Version.V_7_6_0)) {
-                deprecationLogger.critical(
+                deprecationLogger.warn(
                     DeprecationCategory.ANALYSIS,
                     "nGram_tokenizer_deprecation",
                     "The [nGram] tokenizer name is deprecated and will be removed in a future version. "
@@ -342,7 +342,7 @@ public Map<String, AnalysisProvider<TokenizerFactory>> getTokenizers() {
         tokenizers.put("ngram", NGramTokenizerFactory::new);
         tokenizers.put("edgeNGram", (IndexSettings indexSettings, Environment environment, String name, Settings settings) -> {
             if (indexSettings.getIndexVersionCreated().onOrAfter(org.elasticsearch.Version.V_7_6_0)) {
-                deprecationLogger.critical(
+                deprecationLogger.warn(
                     DeprecationCategory.ANALYSIS,
                     "edgeNGram_tokenizer_deprecation",
                     "The [edgeNGram] tokenizer name is deprecated and will be removed in a future version. "
@@ -645,7 +645,7 @@ public List<PreConfiguredTokenizer> getPreConfiguredTokenizers() {
         // Temporary shim for aliases. TODO deprecate after they are moved
         tokenizers.add(PreConfiguredTokenizer.elasticsearchVersion("nGram", (version) -> {
             if (version.onOrAfter(org.elasticsearch.Version.V_7_6_0)) {
-                deprecationLogger.critical(
+                deprecationLogger.warn(
                     DeprecationCategory.ANALYSIS,
                     "nGram_tokenizer_deprecation",
                     "The [nGram] tokenizer name is deprecated and will be removed in a future version. "
@@ -656,7 +656,7 @@ public List<PreConfiguredTokenizer> getPreConfiguredTokenizers() {
         }));
         tokenizers.add(PreConfiguredTokenizer.elasticsearchVersion("edgeNGram", (version) -> {
             if (version.onOrAfter(org.elasticsearch.Version.V_7_6_0)) {
-                deprecationLogger.critical(
+                deprecationLogger.warn(
                     DeprecationCategory.ANALYSIS,
                     "edgeNGram_tokenizer_deprecation",
                     "The [edgeNGram] tokenizer name is deprecated and will be removed in a future version. "

modules/analysis-common/src/main/java/org/elasticsearch/analysis/common/SynonymTokenFilterFactory.java

@@ -46,7 +46,7 @@ public class SynonymTokenFilterFactory extends AbstractTokenFilterFactory {
         this.settings = settings;
 
         if (settings.get("ignore_case") != null) {
-            DEPRECATION_LOGGER.critical(
+            DEPRECATION_LOGGER.warn(
                 DeprecationCategory.ANALYSIS,
                 "synonym_ignore_case_option",
                 "The ignore_case option on the synonym_graph filter is deprecated. "

modules/analysis-common/src/test/java/org/elasticsearch/analysis/common/CommonAnalysisPluginTests.java

@@ -8,6 +8,7 @@
 
 package org.elasticsearch.analysis.common;
 
+import org.apache.logging.log4j.Level;
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.Tokenizer;
 import org.elasticsearch.Version;
@@ -193,6 +194,7 @@ public void testnGramFilterInCustomAnalyzerDeprecationError() throws IOException
 
         createTestAnalysis(IndexSettingsModule.newIndexSettings("index", settings), settings, commonAnalysisPlugin);
         assertWarnings(
+            Level.WARN,
             "The [nGram] token filter name is deprecated and will be removed in a future version. "
                 + "Please change the filter name to [ngram] instead."
         );
@@ -214,6 +216,7 @@ public void testEdgeNGramFilterInCustomAnalyzerDeprecationError() throws IOExcep
 
         createTestAnalysis(IndexSettingsModule.newIndexSettings("index", settings), settings, commonAnalysisPlugin);
         assertWarnings(
+            Level.WARN,
             "The [edgeNGram] token filter name is deprecated and will be removed in a future version. "
                 + "Please change the filter name to [edge_ngram] instead."
         );
@@ -276,6 +279,7 @@ public void doTestPrebuiltTokenizerDeprecation(String deprecatedName, String rep
             assertNotNull(tokenizer);
             if (expectWarning) {
                 assertWarnings(
+                    Level.WARN,
                     "The ["
                         + deprecatedName
                         + "] tokenizer name is deprecated and will be removed in a future version. "
@@ -302,6 +306,7 @@ public void doTestCustomTokenizerDeprecation(String deprecatedName, String repla
 
             if (expectWarning) {
                 assertWarnings(
+                    Level.WARN,
                     "The ["
                         + deprecatedName
                         + "] tokenizer name is deprecated and will be removed in a future version. "

modules/analysis-common/src/test/java/org/elasticsearch/analysis/common/CompoundAnalysisTests.java

@@ -8,6 +8,7 @@
 
 package org.elasticsearch.analysis.common;
 
+import org.apache.logging.log4j.Level;
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
@@ -57,7 +58,7 @@ public void testDictionaryDecompounder() throws Exception {
                 hasItems("donau", "dampf", "schiff", "donaudampfschiff", "spargel", "creme", "suppe", "spargelcremesuppe")
             );
         }
-        assertWarnings("Setting [version] on analysis component [custom7] has no effect and is deprecated");
+        assertWarnings(Level.WARN, "Setting [version] on analysis component [custom7] has no effect and is deprecated");
     }
 
     private List<String> analyze(Settings settings, String analyzerName, String text) throws IOException {

modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/BytesProcessorTests.java

@@ -8,6 +8,7 @@
 
 package org.elasticsearch.ingest.common;
 
+import org.apache.logging.log4j.Level;
 import org.elasticsearch.ElasticsearchException;
 import org.elasticsearch.common.unit.ByteSizeUnit;
 import org.elasticsearch.common.unit.ByteSizeValue;
@@ -84,6 +85,7 @@ public void testFractional() throws Exception {
         processor.execute(ingestDocument);
         assertThat(ingestDocument.getFieldValue(fieldName, expectedResultType()), equalTo(1126L));
         assertWarnings(
+            Level.WARN,
             "Fractional bytes values are deprecated. Use non-fractional bytes values instead: [1.1kb] found for setting " + "[Ingest Field]"
         );
     }

modules/reindex/src/main/java/org/elasticsearch/reindex/ReindexValidator.java

@@ -68,7 +68,7 @@ public void initialValidation(ReindexRequest request) {
         );
         SearchSourceBuilder searchSource = request.getSearchRequest().source();
         if (searchSource != null && searchSource.sorts() != null && searchSource.sorts().isEmpty() == false) {
-            deprecationLogger.critical(DeprecationCategory.API, "reindex_sort", SORT_DEPRECATED_MESSAGE);
+            deprecationLogger.warn(DeprecationCategory.API, "reindex_sort", SORT_DEPRECATED_MESSAGE);
         }
     }
 

modules/reindex/src/test/java/org/elasticsearch/reindex/ReindexSingleNodeTests.java

@@ -8,6 +8,7 @@
 
 package org.elasticsearch.reindex;
 
+import org.apache.logging.log4j.Level;
 import org.elasticsearch.index.query.RangeQueryBuilder;
 import org.elasticsearch.index.reindex.ReindexAction;
 import org.elasticsearch.index.reindex.ReindexRequestBuilder;
@@ -47,6 +48,6 @@ public void testDeprecatedSort() {
 
         assertHitCount(client().prepareSearch("dest").setSize(0).get(), subsetSize);
         assertHitCount(client().prepareSearch("dest").setQuery(new RangeQueryBuilder("foo").gte(0).lt(max - subsetSize)).get(), 0);
-        assertWarnings(ReindexValidator.SORT_DEPRECATED_MESSAGE);
+        assertWarnings(Level.WARN, ReindexValidator.SORT_DEPRECATED_MESSAGE);
     }
 }

plugins/discovery-azure-classic/src/main/java/org/elasticsearch/plugin/discovery/azure/classic/AzureDiscoveryPlugin.java

@@ -38,7 +38,7 @@ public class AzureDiscoveryPlugin extends Plugin implements DiscoveryPlugin {
 
     public AzureDiscoveryPlugin(Settings settings) {
         this.settings = settings;
-        deprecationLogger.critical(DeprecationCategory.PLUGINS, "azure_discovery_plugin", "azure classic discovery plugin is deprecated.");
+        deprecationLogger.warn(DeprecationCategory.PLUGINS, "azure_discovery_plugin", "azure classic discovery plugin is deprecated.");
         logger.trace("starting azure classic discovery plugin...");
     }
 

plugins/discovery-ec2/src/main/java/org/elasticsearch/discovery/ec2/Ec2ClientSettings.java

@@ -151,7 +151,7 @@ static AWSCredentials loadCredentials(Settings settings) {
                 return null;
             } else {
                 if (key.length() == 0) {
-                    deprecationLogger.critical(
+                    deprecationLogger.warn(
                         DeprecationCategory.SETTINGS,
                         "ec2_invalid_settings",
                         "Setting [{}] is set but [{}] is not, which will be unsupported in future",
@@ -160,7 +160,7 @@ static AWSCredentials loadCredentials(Settings settings) {
                     );
                 }
                 if (secret.length() == 0) {
-                    deprecationLogger.critical(
+                    deprecationLogger.warn(
                         DeprecationCategory.SETTINGS,
                         "ec2_invalid_settings",
                         "Setting [{}] is set but [{}] is not, which will be unsupported in future",

plugins/discovery-ec2/src/test/java/org/elasticsearch/discovery/ec2/AwsEc2ServiceImplTests.java

@@ -15,7 +15,7 @@
 import com.amazonaws.auth.BasicSessionCredentials;
 import com.amazonaws.auth.DefaultAWSCredentialsProviderChain;
 
-import org.elasticsearch.common.logging.DeprecationLogger;
+import org.apache.logging.log4j.Level;
 import org.elasticsearch.common.settings.MockSecureSettings;
 import org.elasticsearch.common.settings.Setting;
 import org.elasticsearch.common.settings.Settings;
@@ -73,7 +73,7 @@ public void testDeprecationOfLoneAccessKey() {
         assertSettingDeprecationsAndWarnings(
             new Setting<?>[] {},
             new DeprecationWarning(
-                DeprecationLogger.CRITICAL,
+                Level.WARN,
                 "Setting [discovery.ec2.access_key] is set but " + "[discovery.ec2.secret_key] is not, which will be unsupported in future"
             )
         );
@@ -91,7 +91,7 @@ public void testDeprecationOfLoneSecretKey() {
         assertSettingDeprecationsAndWarnings(
             new Setting<?>[] {},
             new DeprecationWarning(
-                DeprecationLogger.CRITICAL,
+                Level.WARN,
                 "Setting [discovery.ec2.secret_key] is set but " + "[discovery.ec2.access_key] is not, which will be unsupported in future"
             )
         );

qa/evil-tests/src/test/java/org/elasticsearch/common/logging/EvilLoggerTests.java

@@ -115,7 +115,7 @@ public void testConcurrentDeprecationLogger() throws IOException, UserException,
                 }
                 for (int j = 0; j < iterations; j++) {
                     for (final Integer id : ids) {
-                        deprecationLogger.critical(
+                        deprecationLogger.warn(
                             DeprecationCategory.OTHER,
                             Integer.toString(id),
                             "This is a maybe logged deprecation message" + id
@@ -167,7 +167,7 @@ public void testConcurrentDeprecationLogger() throws IOException, UserException,
         for (int i = 0; i < 128; i++) {
             assertLogLine(
                 deprecationEvents.get(i),
-                DeprecationLogger.CRITICAL,
+                Level.WARN,
                 "org.elasticsearch.common.logging.DeprecationLogger.logDeprecation",
                 "This is a maybe logged deprecation message" + i
             );

server/src/main/java/org/elasticsearch/action/admin/indices/alias/get/TransportGetAliasesAction.java

@@ -227,7 +227,7 @@ private static void checkSystemAliasAccess(
         }
 
         if (systemAliases.isEmpty() == false) {
-            deprecationLogger.critical(
+            deprecationLogger.warn(
                 DeprecationCategory.API,
                 "open_system_alias_access",
                 "this request accesses aliases with names reserved for system indices: {}, but in a future major version, direct "

server/src/main/java/org/elasticsearch/action/search/TransportSearchAction.java

@@ -899,7 +899,7 @@ private Index[] resolveLocalIndices(OriginalIndices localIndices, ClusterState c
             }
         }
         if (frozenIndices != null) {
-            DEPRECATION_LOGGER.critical(
+            DEPRECATION_LOGGER.warn(
                 DeprecationCategory.INDICES,
                 "search-frozen-indices",
                 FROZEN_INDICES_DEPRECATION_MESSAGE,

server/src/main/java/org/elasticsearch/cluster/metadata/MetadataCreateIndexService.java

@@ -220,7 +220,7 @@ public boolean validateDotIndex(String index, @Nullable Boolean isHidden) {
             } else if (isHidden) {
                 logger.trace("index [{}] is a hidden index", index);
             } else {
-                DEPRECATION_LOGGER.critical(
+                DEPRECATION_LOGGER.warn(
                     DeprecationCategory.INDICES,
                     "index_name_starts_with_dot",
                     "index name [{}] starts with a dot '.', in the next major version, index names "

server/src/main/java/org/elasticsearch/common/time/DateUtils.java

@@ -193,7 +193,7 @@ public static ZoneId dateTimeZoneToZoneId(DateTimeZone timeZone) {
     public static ZoneId of(String zoneId) {
         String deprecatedId = DEPRECATED_SHORT_TIMEZONES.get(zoneId);
         if (deprecatedId != null) {
-            deprecationLogger.critical(
+            deprecationLogger.warn(
                 DeprecationCategory.PARSING,
                 "timezone",
                 "Use of short timezone id " + zoneId + " is deprecated. Use " + deprecatedId + " instead"

server/src/main/java/org/elasticsearch/common/unit/ByteSizeValue.java

@@ -292,7 +292,7 @@ private static ByteSizeValue parse(
             } catch (final NumberFormatException e) {
                 try {
                     final double doubleValue = Double.parseDouble(s);
-                    DeprecationLoggerHolder.deprecationLogger.critical(
+                    DeprecationLoggerHolder.deprecationLogger.warn(
                         DeprecationCategory.PARSING,
                         "fractional_byte_values",
                         "Fractional bytes values are deprecated. Use non-fractional bytes values instead: [{}] found for setting [{}]",

server/src/main/java/org/elasticsearch/index/IndexSortConfig.java

@@ -217,7 +217,7 @@ public Sort buildIndexSort(
                 if (this.indexCreatedVersion.onOrAfter(Version.V_7_13_0)) {
                     throw new IllegalArgumentException("Cannot use alias [" + sortSpec.field + "] as an index sort field");
                 } else {
-                    DEPRECATION_LOGGER.critical(
+                    DEPRECATION_LOGGER.warn(
                         DeprecationCategory.MAPPINGS,
                         "index-sort-aliases",
                         "Index sort for index ["

server/src/main/java/org/elasticsearch/index/analysis/Analysis.java

@@ -73,7 +73,7 @@ public class Analysis {
     public static void checkForDeprecatedVersion(String name, Settings settings) {
         String sVersion = settings.get("version");
         if (sVersion != null) {
-            DEPRECATION_LOGGER.critical(
+            DEPRECATION_LOGGER.warn(
                 DeprecationCategory.ANALYSIS,
                 "analyzer.version",
                 "Setting [version] on analysis component [" + name + "] has no effect and is deprecated"

server/src/main/java/org/elasticsearch/index/analysis/ShingleTokenFilterFactory.java

@@ -46,7 +46,7 @@ public ShingleTokenFilterFactory(IndexSettings indexSettings, Environment enviro
                         + "] index level setting."
                 );
             } else {
-                deprecationLogger.critical(
+                deprecationLogger.warn(
                     DeprecationCategory.ANALYSIS,
                     "excessive_shingle_diff",
                     "Deprecated big difference between maxShingleSize and minShingleSize"
@@ -81,7 +81,7 @@ public TokenFilterFactory getSynonymFilter() {
         if (indexSettings.getIndexVersionCreated().onOrAfter(Version.V_7_0_0)) {
             throw new IllegalArgumentException("Token filter [" + name() + "] cannot be used to parse synonyms");
         } else {
-            DEPRECATION_LOGGER.critical(
+            DEPRECATION_LOGGER.warn(
                 DeprecationCategory.ANALYSIS,
                 "synonym_tokenfilters",
                 "Token filter " + name() + "] will not be usable to parse synonym after v7.0"

server/src/main/java/org/elasticsearch/index/mapper/CompletionFieldMapper.java

@@ -205,7 +205,7 @@ public CompletionFieldMapper build(MapperBuilderContext context) {
 
         private void checkCompletionContextsLimit() {
             if (this.contexts.getValue() != null && this.contexts.getValue().size() > COMPLETION_CONTEXTS_LIMIT) {
-                deprecationLogger.critical(
+                deprecationLogger.warn(
                     DeprecationCategory.MAPPINGS,
                     "excessive_completion_contexts",
                     "You have defined more than ["

server/src/main/java/org/elasticsearch/index/mapper/DateFieldMapper.java

@@ -311,7 +311,7 @@ private Long parseNullValue(DateFieldType fieldType) {
             try {
                 return fieldType.parse(nullValue.getValue());
             } catch (Exception e) {
-                DEPRECATION_LOGGER.critical(
+                DEPRECATION_LOGGER.warn(
                     DeprecationCategory.MAPPINGS,
                     "date_mapper_null_field",
                     "Error parsing ["

server/src/main/java/org/elasticsearch/index/mapper/FieldNamesFieldMapper.java

@@ -141,7 +141,7 @@ public Query termQuery(Object value, SearchExecutionContext context) {
             if (isEnabled() == false) {
                 throw new IllegalStateException("Cannot run [exists] queries if the [_field_names] field is disabled");
             }
-            deprecationLogger.critical(
+            deprecationLogger.warn(
                 DeprecationCategory.MAPPINGS,
                 "terms_query_on_field_names",
                 "terms query on the _field_names field is deprecated and will be removed, use exists query instead"

server/src/main/java/org/elasticsearch/index/mapper/GeoShapeFieldMapper.java

@@ -96,7 +96,7 @@ protected List<Parameter<?>> getParameters() {
         @Override
         public GeoShapeFieldMapper build(MapperBuilderContext context) {
             if (multiFieldsBuilder.hasMultiFields()) {
-                DEPRECATION_LOGGER.critical(
+                DEPRECATION_LOGGER.warn(
                     DeprecationCategory.MAPPINGS,
                     "geo_shape_multifields",
                     "Adding multifields to [geo_shape] mappers has no effect and will be forbidden in future"

server/src/main/java/org/elasticsearch/index/query/functionscore/RandomScoreFunctionBuilder.java

@@ -151,7 +151,7 @@ protected ScoreFunction doToFunction(SearchExecutionContext context) {
         } else {
             String fieldName;
             if (field == null) {
-                deprecationLogger.critical(
+                deprecationLogger.warn(
                     DeprecationCategory.QUERIES,
                     "seed_requires_field",
                     "As of version 7.0 Elasticsearch will require that a [field] parameter is provided when a [seed] is set"

server/src/main/java/org/elasticsearch/index/similarity/SimilarityProviders.java

@@ -172,7 +172,7 @@ private static AfterEffect parseAfterEffect(Version indexCreatedVersion, Setting
                         "After effect [" + afterEffect + "] isn't supported anymore, please use another effect."
                     );
                 } else {
-                    deprecationLogger.critical(
+                    deprecationLogger.warn(
                         DeprecationCategory.QUERIES,
                         afterEffect + "_after_effect_replaced",
                         "After effect ["