本文翻译自 Apache Flink 社区博文——《Apache Flink 1.14.5 Release Announcement》
。

Apache Flink 社区很荣幸地宣布 Flink 1.14 的另一个错误修复版本正式发布。

此版本包括 67 个错误和漏洞修复以及 Flink 1.14 的小改进。您可在下面找到所有错误修复和改进的列表（不包括对构建基础架构和构建稳定性的改进）。有关所有更改的完整列表，请参阅：JIRA 列表。

我们强烈建议所有用户升级到 Flink 1.14.5 版本。

原文：
The Apache Flink Community is pleased to announce another bug fix release for Flink 1.14.
This release includes 67 bugs, vulnerability fixes and minor improvements for Flink 1.14. Below you will find a list of all bugfixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes see: JIRA.
We highly recommend all users to upgrade to Flink 1.14.5.

发行工件（Release Artifacts）

Maven 依赖（Maven Dependencies）

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<dependency>
  <groupId>org.apache.flink</groupId>
  <artifactId>flink-java</artifactId>
  <version>1.14.5</version>
</dependency>
<dependency>
  <groupId>org.apache.flink</groupId>
  <artifactId>flink-streaming-java_2.11</artifactId>
  <version>1.14.5</version>
</dependency>
<dependency>
  <groupId>org.apache.flink</groupId>
  <artifactId>flink-clients_2.11</artifactId>
  <version>1.14.5</version>
</dependency>

二进制文件（Binaries）

您可以在更新过的下载页面上找到这些二进制文件。

You can find the binaries on the updated Downloads page.

Docker 镜像（Docker Images）

PyPi

发行说明（Release Notes）

子任务（Sub-task）

  • [FLINK-25800] - Update wrong links in the datastream/execution_mode.md page.

Bug 修复

  • [FLINK-22984] - UnsupportedOperationException when using Python UDF to generate watermark
  • [FLINK-24491] - ExecutionGraphInfo may not be archived when the dispatcher terminates
  • [FLINK-25227] - Comparing the equality of the same (boxed) numeric values returns false
  • [FLINK-25440] - Apache Pulsar Connector Document description error about ‘Starting Position’.
  • [FLINK-25904] - NullArgumentException when accessing checkpoint stats on standby JobManager
  • [FLINK-26016] - FileSystemLookupFunction does not produce correct results when hive table uses columnar storage
  • [FLINK-26018] - Unnecessary late events when using the new KafkaSource
  • [FLINK-26049] - The tolerable-failed-checkpoints logic is invalid when checkpoint trigger failed
  • [FLINK-26285] - ZooKeeperStateHandleStore does not handle not existing nodes properly in getAllAndLock
  • [FLINK-26334] - When timestamp - offset + windowSize < 0, elements cannot be assigned to the correct window
  • [FLINK-26381] - Wrong document order of Chinese version
  • [FLINK-26395] - The description of RAND_INTEGER is wrong in SQL function documents
  • [FLINK-26504] - Fix the incorrect type error in unbounded Python UDAF
  • [FLINK-26536] - PyFlink RemoteKeyedStateBackend#merge_namespaces bug
  • [FLINK-26543] - Fix the issue that exceptions generated in startup are missed in Python loopback mode
  • [FLINK-26550] - Correct the information of checkpoint failure
  • [FLINK-26607] - There are multiple MAX_LONG_VALUE value errors in pyflink code
  • [FLINK-26629] - Error in code comment for SubtaskStateMapper.RANGE
  • [FLINK-26645] - Pulsar Source subscribe to a single topic partition will consume all partitions from that topic
  • [FLINK-26708] - TimestampsAndWatermarksOperator should not propagate WatermarkStatus
  • [FLINK-26738] - Default value of StateDescriptor is valid when enable state ttl config
  • [FLINK-26775] - PyFlink WindowOperator#process_element register wrong cleanup timer
  • [FLINK-26846] - Gauge metrics doesn’t work in PyFlink
  • [FLINK-26855] - ImportError: cannot import name ‘environmentfilter’ from ‘jinja2’
  • [FLINK-26920] - Job executes failed with “The configured managed memory fraction for Python worker process must be within (0, 1], was: %s.”
  • [FLINK-27108] - State cache clean up doesn’t work as expected
  • [FLINK-27174] - Non-null check for bootstrapServers field is incorrect in KafkaSink
  • [FLINK-27223] - State access doesn’t work as expected when cache size is set to 0
  • [FLINK-27255] - Flink-avro does not support serialization and deserialization of avro schema longer than 65535 characters
  • [FLINK-27315] - Fix the demo of MemoryStateBackendMigration
  • [FLINK-27409] - Cleanup stale slot allocation record when the resource requirement of a job is empty
  • [FLINK-27442] - Module flink-sql-avro-confluent-registry does not configure Confluent repo
  • [FLINK-27545] - Update examples in PyFlink shell
  • [FLINK-27676] - Output records from on_timer are behind the triggering watermark in PyFlink
  • [FLINK-27733] - Rework on_timer output behind watermark bug fix
  • [FLINK-27751] - Dependency resolution from repository.jboss.org fails on CI
  • [FLINK-27760] - NPE is thrown when executing PyFlink jobs in batch mode

新特性（New Feature）

  • [FLINK-26382] - Add Chinese documents for flink-training exercises

优化（Improvement）

  • [FLINK-5151] - Add discussion about object mutations to heap-based state backend docs.
  • [FLINK-23843] - Exceptions during “SplitEnumeratorContext.runInCoordinatorThread()” should cause Global Failure instead of Process Kill
  • [FLINK-24274] - Wrong parameter order in documentation of State Processor API
  • [FLINK-24384] - Count checkpoints failed in trigger phase into numberOfFailedCheckpoints
  • [FLINK-26130] - Document why and when user would like to increase network buffer size
  • [FLINK-26575] - Improve the info message when restoring keyed state backend
  • [FLINK-26650] - Avoid to print stack trace for checkpoint trigger failure if not all tasks are started
  • [FLINK-26788] - AbstractDeserializationSchema should add cause when thow a FlinkRuntimeException
  • [FLINK-27088] - The example of using StringDeserializer for deserializing Kafka message value as string has an error
  • [FLINK-27480] - KafkaSources sharing the groupId might lead to InstanceAlreadyExistException warning
  • [FLINK-27776] - Throws exception when udaf used in sliding window does not implement merge method in PyFlink

技术债（Technical Debt）

  • [FLINK-25694] - Upgrade Presto to resolve GSON/Alluxio Vulnerability
  • [FLINK-26352] - Missing license header in WebUI source files
  • [FLINK-26961] - Update multiple Jackson dependencies to v2.13.2 and v2.13.2.1

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