2.1.2 Release

[Feature]

• Add Spark webhook source
• Support Flink application mode
• Split connector jar from core jar
• Add Replace transforms for Spark
• Add Uuid transform for Spark
• Support Flink dynamic configurations
• Flink JDBC source support Oracle database
• Add Flink connector Http
• Add Flink transform for register user define function
• Add Flink SQL Kafka, ElasticSearch connector

[Bugfix]

• Fixed ClickHouse sink data type convert error
• Fixed first execute Spark start shell can't run problem
• Fixed can not get config file when use Spark on yarn cluster mode
• Fixed Spark extraJavaOptions can't be empty
• Fixed the "plugins.tar.gz" decompression failure in Spark standalone cluster mode
• Fixed Clickhouse sink can not work correctly when use multiple hosts
• Fixed Flink sql conf parse exception
• Fixed Flink JDBC Mysql datatype mapping incomplete
• Fixed variables cannot be set in Flink mode
• Fixed SeaTunnel Flink engine cannot check source config

[Improvement]

• Update Jackson version to 2.12.6
• Add guide on how to Set Up SeaTunnel with Kubernetes
• Optimize some generic type code
• Add Flink SQL e2e module
• Flink JDBC connector add pre sql and post sql
• Use @autoservice to generate SPI file
• Support Flink FakeSourceStream to mock data
• Support Read Hive by Flink JDBC source
• ClickhouseFile support ReplicatedMergeTree
• Support use Hive sink to save table as ORCFileFormat
• Support Spark Redis sink custom expire time
• Add Spark JDBC isolationLevel config
• Use Jackson replace Fastjson