Apache Flink 1.7.2 Released

February 15, 2019 -

The Apache Flink community released the second bugfix version of the Apache Flink 1.7 series.

This release includes more than 40 fixes and minor improvements for Flink 1.7.1, covering several critical recovery issues as well as problems in the Flink streaming connectors.

The list below includes a detailed list of all fixes. We highly recommend all users to upgrade to Flink 1.7.2.

Updated Maven dependencies:


You can find the binaries on the updated Downloads page.

List of resolved issues:


  • [FLINK-11179] - JoinCancelingITCase#testCancelSortMatchWhileDoingHeavySorting test error
  • [FLINK-11180] - ProcessFailureCancelingITCase#testCancelingOnProcessFailure
  • [FLINK-11181] - SimpleRecoveryITCaseBase test error


  • [FLINK-10721] - Kafka discovery-loop exceptions may be swallowed
  • [FLINK-10761] - MetricGroup#getAllVariables can deadlock
  • [FLINK-10774] - connection leak when partition discovery is disabled and open throws exception
  • [FLINK-10848] - Flink's Yarn ResourceManager can allocate too many excess containers
  • [FLINK-11046] - ElasticSearch6Connector cause thread blocked when index failed with retry
  • [FLINK-11071] - Dynamic proxy classes cannot be resolved when deserializing job graph
  • [FLINK-11083] - CRowSerializerConfigSnapshot is not instantiable
  • [FLINK-11084] - Incorrect ouput after two consecutive split and select
  • [FLINK-11100] - Presto S3 FileSystem E2E test broken
  • [FLINK-11119] - Incorrect Scala example for Table Function
  • [FLINK-11134] - Invalid REST API request should not log the full exception in Flink logs
  • [FLINK-11145] - Fix Hadoop version handling in binary release script
  • [FLINK-11151] - FileUploadHandler stops working if the upload directory is removed
  • [FLINK-11168] - LargePlanTest times out on Travis
  • [FLINK-11173] - Proctime attribute validation throws an incorrect exception message
  • [FLINK-11187] - StreamingFileSink with S3 backend transient socket timeout issues
  • [FLINK-11191] - Exception in code generation when ambiguous columns in MATCH_RECOGNIZE
  • [FLINK-11194] - missing Scala 2.12 build of HBase connector
  • [FLINK-11201] - Document SBT dependency requirements when using MiniClusterResource
  • [FLINK-11224] - Log is missing in scala-shell
  • [FLINK-11227] - The DescriptorProperties contains some bounds checking errors
  • [FLINK-11232] - Empty Start Time of sub-task on web dashboard
  • [FLINK-11234] - ExternalTableCatalogBuilder unable to build a batch-only table
  • [FLINK-11235] - Elasticsearch connector leaks threads if no connection could be established
  • [FLINK-11246] - Fix distinct AGG visibility issues
  • [FLINK-11251] - Incompatible metric name on prometheus reporter
  • [FLINK-11279] - Invalid week interval parsing in ExpressionParser
  • [FLINK-11302] - FlinkS3FileSystem uses an incorrect path for temporary files.
  • [FLINK-11389] - Incorrectly use job information when call getSerializedTaskInformation in class TaskDeploymentDescriptor
  • [FLINK-11419] - StreamingFileSink fails to recover after taskmanager failure
  • [FLINK-11436] - Java deserialization failure of the AvroSerializer when used in an old CompositeSerializers

New Feature

  • [FLINK-10457] - Support SequenceFile for StreamingFileSink


  • [FLINK-10910] - Harden Kubernetes e2e test
  • [FLINK-11023] - Update LICENSE and NOTICE files for flink-connectors
  • [FLINK-11079] - Skip deployment for flink-storm-examples
  • [FLINK-11207] - Update Apache commons-compress from 1.4.1 to 1.18
  • [FLINK-11216] - Back to top button is missing in the Joining document and is not properly placed in the Process Function document
  • [FLINK-11262] - Bump jython-standalone to 2.7.1
  • [FLINK-11289] - Rework example module structure to account for licensing
  • [FLINK-11304] - Typo in time attributes doc
  • [FLINK-11331] - Fix errors in tableApi.md and functions.md
  • [FLINK-11469] - fix Tuning Checkpoints and Large State doc
  • [FLINK-11473] - Clarify Documenation on Latency Tracking
  • [FLINK-11628] - Cache maven on travis