tools/maven/suppressions.xml

<?xml version="1.0"?>
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->

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

		<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|CustomizedConvertRule.java"
			checks="IllegalImport"/>
		<!-- Cassandra connectors have to use guava directly -->
		<suppress
			files="AbstractCassandraTupleSink.java|CassandraInputFormat.java|CassandraOutputFormatBase.java|CassandraSinkBase.java|CassandraSinkBaseTest.java|CassandraPojoSink.java|CassandraRowSink.java|CassandraTupleWriteAheadSink.java|CassandraRowWriteAheadSink.java|CassandraPojoOutputFormat.java"
			checks="IllegalImport"/>
		<!-- Kinesis producer has to use guava directly -->
		<suppress
			files="FlinkKinesisProducer.java|FlinkKinesisProducerTest.java"
			checks="IllegalImport"/>
		<!-- Kinesis EFO consumer required to handle Netty ReadTimeoutException -->
		<suppress 
			files="FanOutRecordPublisherTest.java|FanOutShardSubscriber.java|FanOutShardSubscriberTest.java" 
			checks="IllegalImport"/>
	 	<!-- Classes copied from Hadoop -->
		<suppress
			files="org[\\/]apache[\\/]hadoop[\\/]conf[\\/]Configuration.java"
			checks=".*"/>
		<suppress
			files="org[\\/]apache[\\/]hadoop[\\/]util[\\/]NativeCodeLoader.java"
			checks=".*"/>
		<suppress
			files="org[\\/]apache[\\/]hadoop[\\/]util[\\/]VersionInfo.java"
			checks=".*"/>
		<!-- 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
			files="org[\\/]apache[\\/]flink[\\/]formats[\\/]avro[\\/]glue[\\/]schema[\\/]registry[\\/]User.java"
			checks=".*"/>
</suppressions>