leventov opened a new issue #7781: Walk over IntelliJ's "unused declaration" regarding variable declarations URL: https://github.com/apache/incubator-druid/issues/7781 Similar story to #7780. Until we haven't solved #6860, there are a lot of (less important) warnings on unused methods than on unused variables. All reports on variables are bugs. 4 in production (#7742 was fifth): ``` <problem> <file>file://$PROJECT_DIR$/server/src/main/java/org/apache/druid/client/CachingQueryRunner.java</file> <line>136</line> <module>druid-server</module> <package>org.apache.druid.client</package> <entry_point FQNAME="org.apache.druid.client.CachingQueryRunner org.apache.druid.java.util.common.guava.Sequence<T> run(org.apache.druid.query.QueryPlus<T> queryPlus, java.util.Map<java.lang.String,java.lang.Object> responseContext)" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>cacheFutures</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/main/java/org/apache/druid/initialization/Log4jShutterDownerModule.java</file> <line>54</line> <module>druid-server</module> <package>org.apache.druid.initialization</package> <entry_point FQNAME="org.apache.druid.initialization.Log4jShutterDownerModule void configure(com.google.inject.Binder binder)" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>logManagerClazz</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/main/java/org/apache/druid/initialization/Log4jShutterDownerModule.java</file> <line>56</line> <module>druid-server</module> <package>org.apache.druid.initialization</package> <entry_point FQNAME="org.apache.druid.initialization.Log4jShutterDownerModule void configure(com.google.inject.Binder binder)" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>callbackRegistryClazz</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/main/java/org/apache/druid/sql/calcite/table/RowSignature.java</file> <line>60</line> <module>druid-sql</module> <package>org.apache.druid.sql.calcite.table</package> <entry_point FQNAME="org.apache.druid.sql.calcite.table.RowSignature RowSignature(java.util.List<org.apache.druid.java.util.common.Pair<java.lang.String,org.apache.druid.segment.column.ValueType>> columnTypeList)" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>i</code> is never used</description> </problem> ``` 63 more in test code: ``` <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordinator/DruidCoordinatorBalancerProfiler.java</file> <line>259</line> <module>druid-server</module> <package>org.apache.druid.server.coordinator</package> <entry_point FQNAME="org.apache.druid.server.coordinator.DruidCoordinatorBalancerProfiler void profileRun()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>balanceParams</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordinator/DruidCoordinatorBalancerProfiler.java</file> <line>185</line> <module>druid-server</module> <package>org.apache.druid.server.coordinator</package> <entry_point FQNAME="org.apache.druid.server.coordinator.DruidCoordinatorBalancerProfiler void bigProfiler()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>balanceParams</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordinator/DruidCoordinatorBalancerProfiler.java</file> <line>186</line> <module>druid-server</module> <package>org.apache.druid.server.coordinator</package> <entry_point FQNAME="org.apache.druid.server.coordinator.DruidCoordinatorBalancerProfiler void bigProfiler()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>assignParams</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/influx-extensions/src/test/java/org/apache/druid/data/input/influx/InfluxParserTest.java</file> <line>195</line> <module>druid-influx-extensions</module> <package>org.apache.druid.data.input.influx</package> <entry_point FQNAME="org.apache.druid.data.input.influx.InfluxParserTest void testParseFailures(org.apache.druid.java.util.common.Pair<java.lang.String,java.lang.String> testCase)" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>res</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/integration-tests/src/main/java/org/apache/druid/testing/clients/CoordinatorResourceTestClient.java</file> <line>244</line> <module>druid-integration-tests</module> <package>org.apache.druid.testing.clients</package> <entry_point FQNAME="org.apache.druid.testing.clients.CoordinatorResourceTestClient java.util.Map<java.lang.String,java.lang.Object> initializeLookups(java.lang.String filePath)" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>results</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-core/kafka-indexing-service/src/test/java/org/apache/druid/indexing/kafka/KafkaIndexTaskTest.java</file> <line>1645</line> <module>druid-kafka-indexing-service</module> <package>org.apache.druid.indexing.kafka</package> <entry_point FQNAME="org.apache.druid.indexing.kafka.KafkaIndexTaskTest void testRunOneTaskTwoPartitions()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>desc3</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/common/task/RealtimeIndexTaskTest.java</file> <line>969</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.common.task</package> <entry_point FQNAME="org.apache.druid.indexing.common.task.RealtimeIndexTaskTest org.apache.druid.indexing.common.TaskToolbox makeToolbox(org.apache.druid.indexing.common.task.Task task, org.apache.druid.indexing.overlord.TaskStorage taskStorage, org.apache.druid.indexing.overlord.IndexerMetadataStorageCoordinator mdc, java.io.File directory)" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>segmentLoaderConfig</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/common/task/CompactionTaskTest.java</file> <line>986</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.common.task</package> <entry_point FQNAME="org.apache.druid.indexing.common.task.CompactionTaskTest void testTargetPartitionSizeWithPartitionConfig()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>ingestionSpecs</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/common/task/CompactionTaskTest.java</file> <line>950</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.common.task</package> <entry_point FQNAME="org.apache.druid.indexing.common.task.CompactionTaskTest void testEmptyInterval()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>task</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/common/task/CompactionTaskTest.java</file> <line>1125</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.common.task</package> <entry_point FQNAME="org.apache.druid.indexing.common.task.CompactionTaskTest void testUseKeepSegmentGranularityAndSegmentGranularityTogether()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>task</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/common/task/AppenderatorDriverRealtimeIndexTaskTest.java</file> <line>1590</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.common.task</package> <entry_point FQNAME="org.apache.druid.indexing.common.task.AppenderatorDriverRealtimeIndexTaskTest void makeToolboxFactory(java.io.File directory)" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>segmentLoaderConfig</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-core/kafka-indexing-service/src/test/java/org/apache/druid/indexing/kafka/supervisor/KafkaSupervisorTest.java</file> <line>340</line> <module>druid-kafka-indexing-service</module> <package>org.apache.druid.indexing.kafka.supervisor</package> <entry_point FQNAME="org.apache.druid.indexing.kafka.supervisor.KafkaSupervisorTest void testSkipOffsetGaps()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>taskConfig</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/worker/WorkerTaskManagerTest.java</file> <line>96</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.worker</package> <entry_point FQNAME="org.apache.druid.indexing.worker.WorkerTaskManagerTest org.apache.druid.indexing.worker.WorkerTaskManager createWorkerTaskManager()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>loaderConfig</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/firehose/IngestSegmentFirehoseFactoryTest.java</file> <line>462</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.firehose</package> <entry_point FQNAME="org.apache.druid.indexing.firehose.IngestSegmentFirehoseFactoryTest void testGetUniqueDimensionsAndMetrics()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>numSegments</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/overlord/TaskLifecycleTest.java</file> <line>545</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.overlord</package> <entry_point FQNAME="org.apache.druid.indexing.overlord.TaskLifecycleTest org.apache.druid.indexing.common.TaskToolboxFactory setUpTaskToolboxFactory(org.apache.druid.segment.loading.DataSegmentPusher dataSegmentPusher, org.apache.druid.segment.realtime.plumber.SegmentHandoffNotifierFactory handoffNotifierFactory, org.apache.druid.indexing.test.TestIndexerMetadataStorageCoordinator mdc)" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>segmentLoaderConfig</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/overlord/http/OverlordResourceTest.java</file> <line>740</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.overlord.http</package> <entry_point FQNAME="org.apache.druid.indexing.overlord.http.OverlordResourceTest void testGetTasksFilterPendingState()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>ds</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/overlord/http/OverlordResourceTest.java</file> <line>793</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.overlord.http</package> <entry_point FQNAME="org.apache.druid.indexing.overlord.http.OverlordResourceTest void testGetTasksFilterCompleteStateWithInterval()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>tasksIds</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/indexing-service/src/test/java/org/apache/druid/indexing/overlord/http/OverlordResourceTest.java</file> <line>675</line> <module>druid-indexing-service</module> <package>org.apache.druid.indexing.overlord.http</package> <entry_point FQNAME="org.apache.druid.indexing.overlord.http.OverlordResourceTest void testGetTasksFilterRunningState()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>ds</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-core/lookups-cached-global/src/test/java/org/apache/druid/query/lookup/namespace/UriExtractionNamespaceTest.java</file> <line>154</line> <module>druid-lookups-cached-global</module> <package>org.apache.druid.query.lookup.namespace</package> <entry_point FQNAME="org.apache.druid.query.lookup.namespace.UriExtractionNamespaceTest void testBadTSV()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>map</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-core/lookups-cached-global/src/test/java/org/apache/druid/query/lookup/namespace/UriExtractionNamespaceTest.java</file> <line>168</line> <module>druid-lookups-cached-global</module> <package>org.apache.druid.query.lookup.namespace</package> <entry_point FQNAME="org.apache.druid.query.lookup.namespace.UriExtractionNamespaceTest void testBadTSV2()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>map</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-core/lookups-cached-global/src/test/java/org/apache/druid/query/lookup/namespace/UriExtractionNamespaceTest.java</file> <line>118</line> <module>druid-lookups-cached-global</module> <package>org.apache.druid.query.lookup.namespace</package> <entry_point FQNAME="org.apache.druid.query.lookup.namespace.UriExtractionNamespaceTest void testBadCSV2()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>map</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/processing/src/test/java/org/apache/druid/query/scan/ScanQueryTest.java</file> <line>270</line> <module>druid-processing</module> <package>org.apache.druid.query.scan</package> <entry_point FQNAME="org.apache.druid.query.scan.ScanQueryTest void testTimeOrderingWithoutTimeColumn()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>res</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/query/lookup/LookupReferencesManagerTest.java</file> <line>603</line> <module>druid-server</module> <package>org.apache.druid.query.lookup</package> <entry_point FQNAME="org.apache.druid.query.lookup.LookupReferencesManagerTest void testLoadLookupOnCoordinatorFailure()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>responseHolder</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/query/lookup/LookupReferencesManagerTest.java</file> <line>80</line> <module>druid-server</module> <package>org.apache.druid.query.lookup</package> <entry_point FQNAME="org.apache.druid.query.lookup.LookupReferencesManagerTest void setUp()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>temporaryPath</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/client/cache/MemcacheClientPoolTest.java</file> <line>65</line> <module>druid-server</module> <package>org.apache.druid.client.cache</package> <entry_point FQNAME="org.apache.druid.client.cache.MemcacheClientPoolTest void testClientLeakDetected()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>garbage</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/client/cache/CacheConfigTest.java</file> <line>129</line> <module>druid-server</module> <package>org.apache.druid.client.cache</package> <entry_point FQNAME="org.apache.druid.client.cache.CacheConfigTest void testValidationInsaneError()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>config</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/client/cache/CacheConfigTest.java</file> <line>157</line> <module>druid-server</module> <package>org.apache.druid.client.cache</package> <entry_point FQNAME="org.apache.druid.client.cache.CacheConfigTest void testFaLse()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>config</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/client/cache/CacheConfigTest.java</file> <line>147</line> <module>druid-server</module> <package>org.apache.druid.client.cache</package> <entry_point FQNAME="org.apache.druid.client.cache.CacheConfigTest void testFALSE()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>config</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/client/cache/CacheConfigTest.java</file> <line>138</line> <module>druid-server</module> <package>org.apache.druid.client.cache</package> <entry_point FQNAME="org.apache.druid.client.cache.CacheConfigTest void testTRUE()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>config</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/client/client/BatchServerInventoryViewTest.java</file> <line>497</line> <module>druid-server</module> <package>org.apache.druid.client.client</package> <entry_point FQNAME="org.apache.druid.client.client.BatchServerInventoryViewTest void testSameTimeZnode()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>announcers</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/http/LookupCoordinatorResourceTest.java</file> <line>799</line> <module>druid-server</module> <package>org.apache.druid.server.http</package> <entry_point FQNAME="org.apache.druid.server.http.LookupCoordinatorResourceTest void testMissingGetTier()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>retVal</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/http/LookupCoordinatorResourceTest.java</file> <line>725</line> <module>druid-server</module> <package>org.apache.druid.server.http</package> <entry_point FQNAME="org.apache.druid.server.http.LookupCoordinatorResourceTest void testNullValsNewLookup()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>ip</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordinator/DataSourceCompactionConfigTest.java</file> <line>176</line> <module>druid-server</module> <package>org.apache.druid.server.coordinator</package> <entry_point FQNAME="org.apache.druid.server.coordinator.DataSourceCompactionConfigTest void testTargetCompactionSizeBytesWithMaxTotalRows()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>config</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordinator/DataSourceCompactionConfigTest.java</file> <line>155</line> <module>druid-server</module> <package>org.apache.druid.server.coordinator</package> <entry_point FQNAME="org.apache.druid.server.coordinator.DataSourceCompactionConfigTest void testTargetCompactionSizeBytesWithMaxRowsPerSegment()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>config</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordinator/rules/ForeverLoadRuleTest.java</file> <line>75</line> <module>druid-server</module> <package>org.apache.druid.server.coordinator.rules</package> <entry_point FQNAME="org.apache.druid.server.coordinator.rules.ForeverLoadRuleTest void testEmptyTieredReplicants()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>reread</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordinator/rules/ForeverLoadRuleTest.java</file> <line>89</line> <module>druid-server</module> <package>org.apache.druid.server.coordinator.rules</package> <entry_point FQNAME="org.apache.druid.server.coordinator.rules.ForeverLoadRuleTest void testEmptyReplicantValue()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>reread</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordination/ChangeRequestHistoryTest.java</file> <line>77</line> <module>druid-server</module> <package>org.apache.druid.server.coordination</package> <entry_point FQNAME="org.apache.druid.server.coordination.ChangeRequestHistoryTest void testTruncatedHistory()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>four</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordination/ChangeRequestHistoryTest.java</file> <line>110</line> <module>druid-server</module> <package>org.apache.druid.server.coordination</package> <entry_point FQNAME="org.apache.druid.server.coordination.ChangeRequestHistoryTest void testCounterHashMismatch()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>three</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/server/coordination/ChangeRequestHistoryTest.java</file> <line>113</line> <module>druid-server</module> <package>org.apache.druid.server.coordination</package> <entry_point FQNAME="org.apache.druid.server.coordination.ChangeRequestHistoryTest void testCounterHashMismatch()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>four</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/segment/indexing/DataSchemaTest.java</file> <line>314</line> <module>druid-server</module> <package>org.apache.druid.segment.indexing</package> <entry_point FQNAME="org.apache.druid.segment.indexing.DataSchemaTest void testEmptyDatasource()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>schema</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/segment/indexing/granularity/ArbitraryGranularityTest.java</file> <line>134</line> <module>druid-server</module> <package>org.apache.druid.segment.indexing.granularity</package> <entry_point FQNAME="org.apache.druid.segment.indexing.granularity.ArbitraryGranularityTest void testOverlapViolation()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>spec</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/segment/indexing/granularity/ArbitraryGranularityTest.java</file> <line>168</line> <module>druid-server</module> <package>org.apache.druid.segment.indexing.granularity</package> <entry_point FQNAME="org.apache.druid.segment.indexing.granularity.ArbitraryGranularityTest void testOverlapViolationSameStartInstant()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>spec</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/server/src/test/java/org/apache/druid/segment/realtime/firehose/EventReceiverFirehoseTest.java</file> <line>232</line> <module>druid-server</module> <package>org.apache.druid.segment.realtime.firehose</package> <entry_point FQNAME="org.apache.druid.segment.realtime.firehose.EventReceiverFirehoseTest void testDuplicateRegistering()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>firehose2</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>648</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testTooManyStatements()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>statement1</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>649</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testTooManyStatements()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>statement2</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>650</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testTooManyStatements()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>statement3</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>651</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testTooManyStatements()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>statement4</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>655</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testTooManyStatements()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>statement5</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>762</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testNotTooManyConnectionsWhenTheyAreEmpty()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>connection4</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>736</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testTooManyConnections()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>statement1</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>739</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testTooManyConnections()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>statement2</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>742</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testTooManyConnections()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>statement3</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/avatica/DruidAvaticaHandlerTest.java</file> <line>747</line> <module>druid-sql</module> <package>org.apache.druid.sql.avatica</package> <entry_point FQNAME="org.apache.druid.sql.avatica.DruidAvaticaHandlerTest void testTooManyConnections()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>connection4</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/sql/src/test/java/org/apache/druid/sql/calcite/CalciteQueryTest.java</file> <line>5225</line> <module>druid-sql</module> <package>org.apache.druid.sql.calcite</package> <entry_point FQNAME="org.apache.druid.sql.calcite.CalciteQueryTest void testGroupByLimitPushDownWithHavingOnLong()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>nullValue</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/materialized-view-maintenance/src/test/java/org/apache/druid/indexing/materializedview/MaterializedViewSupervisorSpecTest.java</file> <line>253</line> <module>materialized-view-maintenance</module> <package>org.apache.druid.indexing.materializedview</package> <entry_point FQNAME="org.apache.druid.indexing.materializedview.MaterializedViewSupervisorSpecTest void testNullBaseDataSource()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>materializedViewSupervisorSpec</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/materialized-view-maintenance/src/test/java/org/apache/druid/indexing/materializedview/MaterializedViewSupervisorSpecTest.java</file> <line>208</line> <module>materialized-view-maintenance</module> <package>org.apache.druid.indexing.materializedview</package> <entry_point FQNAME="org.apache.druid.indexing.materializedview.MaterializedViewSupervisorSpecTest void testEmptyBaseDataSource()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>materializedViewSupervisorSpec</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/materialized-view-maintenance/src/test/java/org/apache/druid/indexing/materializedview/DerivativeDataSourceMetadataTest.java</file> <line>46</line> <module>materialized-view-maintenance</module> <package>org.apache.druid.indexing.materializedview</package> <entry_point FQNAME="org.apache.druid.indexing.materializedview.DerivativeDataSourceMetadataTest void testEmptyBaseDataSource()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>metadata</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/materialized-view-maintenance/src/test/java/org/apache/druid/indexing/materializedview/DerivativeDataSourceMetadataTest.java</file> <line>59</line> <module>materialized-view-maintenance</module> <package>org.apache.druid.indexing.materializedview</package> <entry_point FQNAME="org.apache.druid.indexing.materializedview.DerivativeDataSourceMetadataTest void testNullBaseDataSource()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>metadata</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/moving-average-query/src/test/java/org/apache/druid/query/movingaverage/MovingAverageIterableTest.java</file> <line>460</line> <module>druid-moving-average-query</module> <package>org.apache.druid.query.movingaverage</package> <entry_point FQNAME="org.apache.druid.query.movingaverage.MovingAverageIterableTest void testMissingDataAtMiddle()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>event4</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/influxdb-emitter/src/test/java/org/apache/druid/emitter/influxdb/InfluxdbEmitterConfigTest.java</file> <line>95</line> <module>druid-influxdb-emitter</module> <package>org.apache.druid.emitter.influxdb</package> <entry_point FQNAME="org.apache.druid.emitter.influxdb.InfluxdbEmitterConfigTest void testConfigWithNullPort()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>influxdbEmitterConfigWithNullPort</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/influxdb-emitter/src/test/java/org/apache/druid/emitter/influxdb/InfluxdbEmitterConfigTest.java</file> <line>147</line> <module>druid-influxdb-emitter</module> <package>org.apache.druid.emitter.influxdb</package> <entry_point FQNAME="org.apache.druid.emitter.influxdb.InfluxdbEmitterConfigTest void testConfigWithNullInfluxdbUserName()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>influxdbEmitterConfigWithNullHostname</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/influxdb-emitter/src/test/java/org/apache/druid/emitter/influxdb/InfluxdbEmitterConfigTest.java</file> <line>79</line> <module>druid-influxdb-emitter</module> <package>org.apache.druid.emitter.influxdb</package> <entry_point FQNAME="org.apache.druid.emitter.influxdb.InfluxdbEmitterConfigTest void testConfigWithNullHostname()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>influxdbEmitterConfigWithNullHostname</code> is never used</description> </problem> <problem> <file>file://$PROJECT_DIR$/extensions-contrib/influxdb-emitter/src/test/java/org/apache/druid/emitter/influxdb/InfluxdbEmitterConfigTest.java</file> <line>163</line> <module>druid-influxdb-emitter</module> <package>org.apache.druid.emitter.influxdb</package> <entry_point FQNAME="org.apache.druid.emitter.influxdb.InfluxdbEmitterConfigTest void testConfigWithNullInfluxdbPassword()" TYPE="method" /> <problem_class attribute_key="NOT_USED_ELEMENT_ATTRIBUTES" severity="WARNING">Unused declaration</problem_class> <description>Variable <code>influxdbEmitterConfigWithNullHostname</code> is never used</description> </problem> ```
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