tools/maven/suppressions.xml

<?xml version="1.0"?>
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<!DOCTYPE suppressions PUBLIC
		"-//Puppy Crawl//DTD Suppressions 1.1//EN"
		"http://www.puppycrawl.com/dtds/suppressions_1_1.dtd">

<suppressions>
	<!-- Star import is used for all the expressions -->
	<suppress files="BaseExpressions.java" checks="AvoidStarImport"/>

	<!-- These use star import for all the generated Tuple classes -->
	<suppress files="CsvReader.java" checks="AvoidStarImport"/>

	<suppress files="NoticeFileChecker.java" checks="Regexp"/>
	<suppress files="NoticeFileChecker.java" checks="IllegalImport"/>
	<suppress files="NoticeFileCheckerTest.java" checks="IllegalImport"/>
	<suppress files="DependencyTree.java" checks="IllegalImport"/>

	<suppress files="JoinOperator.java" checks="FileLength"/>
	<suppress files="WindowOperatorTest.java" checks="FileLength"/>
	<suppress files="WindowOperatorContractTest.java" checks="FileLength"/>
	<suppress files="NFAITCase.java" checks="FileLength"/>
	<suppress files="HyperLogLogPlusPlus.java" checks="FileLength"/>

	<!-- Legacy mockito usages -->
	<suppress files="AbstractStreamOperatorTestHarnessTest.java|BackendRestorerProcedureTest.java|BufferDataOverWindowOperatorTest.java|CEPOperatorTest.java|CepRuntimeContextTest.java|CliFrontendListTest.java|CliFrontendPackageProgramTest.java|CliFrontendSavepointTest.java|DemultiplexingRecordDeserializerTest.java|DropwizardMeterWrapperTest.java|DynamicEventTimeSessionWindowsTest.java|DynamicProcessingTimeSessionWindowsTest.java|EmbeddedRocksDBStateBackendTest.java|EventTimeSessionWindowsTest.java|FlinkCalciteCatalogReaderTest.java|FlinkMeterWrapperTest.java|GlobalWindowsTest.java|HadoopDataInputStreamTest.java|HadoopInputFormatTest.java|HadoopOutputFormatTest.java|HadoopUtilsTest.java|HiveTableSourceITCase.java|HybridSourceReaderTest.java|HybridSourceSplitEnumeratorTest.java|InternalTimerServiceImplTest.java|InternalWindowFunctionTest.java|InterruptSensitiveRestoreTest.java|LocalStateForwardingTest.java|MergingWindowSetTest.java|NFAITCase.java|NonBufferOverWindowOperatorTest.java|OperatorSnapshotFuturesTest.java|OutputFormatSinkFunctionTest.java|PatternTest.java|ProcessingTimeSessionWindowsTest.java|PurgingTriggerTest.java|PythonOperatorChainingOptimizerTest.java|PythonTestUtils.java|RawFormatSerDeSchemaTest.java|RegisterApplicationMasterResponseReflectorTest.java|RegularWindowOperatorContractTest.java|RichAsyncFunctionTest.java|RocksDBIncrementalCheckpointUtilsTest.java|RocksDBKeyedStateBackendTestFactory.java|RocksDBStateBackendConfigTest.java|S3EntropyFsFactoryTest.java|SessionWindowAssignerTest.java|SlidingEventTimeWindowsTest.java|SlidingProcessingTimeWindowsTest.java|SourceFunctionUtil.java|StateInitializationContextImplTest.java|StateSnapshotContextSynchronousImplTest.java|StreamElementSerializerTest.java|StreamingRuntimeContextTest.java|StreamMockEnvironment.java|StreamSourceOperatorLatencyMetricsTest.java|StreamSourceOperatorWatermarksTest.java|StreamTaskCancellationBarrierTest.java|StreamTaskStateInitializerImplTest.java|StreamTaskSystemExitTest.java|StreamTaskTerminationTest.java|StreamTaskTest.java|SynchronousCheckpointITCase.java|TaskCheckpointingBehaviourTest.java|TestPartitionDiscoverer.java|TestSpyWrapperStateBackend.java|TumblingEventTimeWindowsTest.java|TumblingProcessingTimeWindowsTest.java|Whitebox.java|WindowOperatorContractTest.java|WindowOperatorTest.java|WindowReaderTest.java"
			  checks="IllegalImport"/>

	<suppress files="org[\\/]apache[\\/]flink[\\/]formats[\\/]avro[\\/]generated[\\/].*.java" checks="[a-zA-Z0-9]*"/>
	<suppress files="org[\\/]apache[\\/]flink[\\/]formats[\\/]parquet[\\/]generated[\\/].*.java" checks="[a-zA-Z0-9]*"/>
	<!-- Sometimes we have to temporarily fix very long, different formatted Calcite files. -->
	<suppress files="org[\\/]apache[\\/]calcite.*" checks="[a-zA-Z0-9]*"/>

	<!-- Temporarily fix TM Metaspace memory leak caused by Apache Beam sdk harness. -->
	<suppress files="org[\\/]apache[\\/]beam.*.java" checks="[a-zA-Z0-9]*"/>

	<!-- Have to use guava directly -->
	<suppress
			files="OverConvertRule.java|InConverter.java|SymbolUtil.java|RexNodeJsonDeserializer.java|RexNodeJsonSerializer.java|RexNodeJsonSerdeTest.java|FlinkAggregateProjectMergeRule.java"
			checks="IllegalImport"/>
	<!-- Classes copied from AWS -->
	<suppress
			files="com[\\/]amazonaws[\\/]services[\\/]s3[\\/]model[\\/]transform[\\/]XmlResponsesSaxParser.java"
			checks=".*"/>
	<!-- target directory is not relevant for checkstyle -->
	<suppress
			files="[\\/]target[\\/]"
			checks=".*"/>
	<!-- suppress check for copied hive code -->
	<suppress files="org[\\/]apache[\\/]hadoop[\\/]hive[\\/].*.java" checks=".*"/>
	<suppress files="org[\\/]apache[\\/]hive[\\/]service[\\/]rpc[\\/]thrift[\\/].*.java" checks=".*"/>
</suppressions>