Elasticsearch version 7.17.19edit
Also see Breaking changes in 7.17.
Known issuesedit
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Due to a bug in the bundled JDK 22 nodes might crash abruptly under high memory pressure.
We recommend downgrading to JDK 21.0.2 asap to mitigate the issue.
Bug fixesedit
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Ingest Node
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Adding
executedPipelines to the IngestDocument copy constructor #105427
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Machine Learning
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Detect 8.x ML nodes correctly #105653
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Search
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Force execution of
SearchService.Reaper #106544 (issue: #106543)
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Update to latest Lucene bugfix version 8.11.3 #106365
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Watcher
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Enhancementsedit
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Ingest Node
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Adding a custom exception for problems with the graph of pipelines to be applied to a document #105196
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Improving the performance of the ingest simulate verbose API #105265
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Limiting the number of nested pipelines that can be executed #105428
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Infra/Core
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Upgrade joda time to 2.12.6 #104720
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Ingest Node
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Upgrade mime4j on the 7.17 line #106380