分布式搜索引擎 Elasticsearch 6.3.1 发布，Bug 修复

lasticsearch 6.3.1 已发布，该版本主要是修复了 bug，涉及到认证、Ingest、Java REST 客户端以及机器学习等方面。具体如下

Authentication

• Security: fix joining cluster with production license #31341 (issue: #31332)
• Security: fix token bwc with pre 6.0.0-beta2 #31254 (issues: #30743, #31195)
• Compliant SAML Response destination check #31175

Ingest

• Ingest Attachment: Upgrade Tika to 1.18 #31252

Java High Level REST Client

• Change bulk’s retry condition to be based on RestStatus #29329 (issues: #28885, #29254)

Java Low Level REST Client

• Avoid setting connection request timeout #30384 (issue: #24069)

Machine Learning

• Fixes a bug introduced in 6.3.0 which may cause the a node to hang and drop out of the cluster if Machine Learning is enabled and has been actively used. The issue can be redressed in 6.3.0 by disabling Machine Learning on all nodes #31691 (issue: #31683)

Network

• Ensure we don’t use a remote profile if cluster name matches #31331 (issue: #29321)

Packaging

• Add package pre-install check for java binary #31343 (issue: #29665)

Recovery

• Fix missing historyUUID in peer recovery when rolling upgrade 5.x to 6.3 #31506 (issue: #31482)

Rollup

• [Rollup] Metric config parser must use builder so validation runs #31159

SQL

• JDBC: Fix stackoverflow on getObject and timestamp conversion #31735 (issue: #31734)
• SQL: Preserve scoring in bool queries #30730 (issue: #29685)

Scripting

• Painless: Fix bug for static method calls on interfaces #31348

Search

• Fix race in clear scroll #31259
• Cross Cluster Search: preserve remote status code #30976 (issue: #27461)

Security

• Preserve thread context when connecting to remote cluster #31574 (issues: #31241, #31462)

Watcher

• Watcher: Fix put watch action #31524

来自：https://www.elastic.co/guide/en/elasticsearch/reference/current/release-notes-6.3.1.html 下载地址：https://www.elastic.co/downloads/elasticsearch