Apache Flink 1.7.1 Released

December 21, 2018 -

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

This release includes 27 fixes and minor improvements for Flink 1.7.0. The list below includes a detailed list of all fixes.

We highly recommend all users to upgrade to Flink 1.7.1.

Updated Maven dependencies:


You can find the binaries on the updated Downloads page.

List of resolved issues:


  • [FLINK-10252] - Handle oversized metric messages
  • [FLINK-10367] - Avoid recursion stack overflow during releasing SingleInputGate
  • [FLINK-10522] - Check if RecoverableWriter supportsResume and act accordingly.
  • [FLINK-10963] - Cleanup small objects uploaded to S3 as independent objects


  • [FLINK-8336] - YarnFileStageTestS3ITCase.testRecursiveUploadForYarnS3 test instability
  • [FLINK-9646] - ExecutionGraphCoLocationRestartTest.testConstraintsAfterRestart failed on Travis
  • [FLINK-10149] - Fink Mesos allocates extra port when not configured to do so.
  • [FLINK-10359] - Scala example in DataSet docs is broken
  • [FLINK-10482] - java.lang.IllegalArgumentException: Negative number of in progress checkpoints
  • [FLINK-10566] - Flink Planning is exponential in the number of stages
  • [FLINK-10997] - Avro-confluent-registry does not bundle any dependency
  • [FLINK-11011] - Elasticsearch 6 sink end-to-end test unstable
  • [FLINK-11013] - Fix distinct aggregates for group window in Table API
  • [FLINK-11017] - Time interval for window aggregations in SQL is wrongly translated if specified with YEAR_MONTH resolution
  • [FLINK-11029] - Incorrect parameter in Working with state doc
  • [FLINK-11032] - Elasticsearch (v6.3.1) sink end-to-end test unstable on Travis
  • [FLINK-11033] - Elasticsearch (v6.3.1) sink end-to-end test unstable on Travis
  • [FLINK-11041] - ReinterpretDataStreamAsKeyedStreamITCase.testReinterpretAsKeyedStream failed on Travis
  • [FLINK-11044] - RegisterTableSink docs incorrect
  • [FLINK-11045] - UserCodeClassLoader has not been set correctly for RuntimeUDFContext in CollectionExecutor
  • [FLINK-11047] - CoGroupGroupSortTranslationTest does not compile with scala 2.12
  • [FLINK-11085] - NoClassDefFoundError in presto-s3 filesystem
  • [FLINK-11087] - Broadcast state migration Incompatibility from 1.5.3 to 1.7.0
  • [FLINK-11094] - Restored state in RocksDBStateBackend that has not been accessed in restored execution causes NPE on snapshot
  • [FLINK-11123] - Missing import in ML quickstart docs
  • [FLINK-11136] - Fix the logical of merge for DISTINCT aggregates


  • [FLINK-11080] - Define flink-connector-elasticsearch6 uber-jar dependencies via artifactSet