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IGNITE-28207 IgniteClassPath - #13587

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nizhikov wants to merge 81 commits into
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nizhikov:IGNITE-28207

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@nizhikov

@nizhikov nizhikov commented Sep 14, 2026

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This PR if a first in a series of PR's to implement IgniteClassPath feature.
ignite-class-path is a feature branch to keep progress.

Full scope tracked under - https://issues.apache.org/jira/browse/IGNITE-28206
Merge to master will be able after:

  • IGNITE-28206 fully implemented
  • DeploymentSPI either remove or we will decide how to mix all APIs: IgniteClassPath, P2P class loading, DeploymentSPI

Scope of the PR:

  • Basic IgniteClassPath code infrastructure implemented: processor, pojo, etc.
  • API to upload files by thin client implemented.
  • ClassPathCreateCommand implemented.
  • Download to local node when IgniteClassPath becomes READY implemented.
  • Handle of NODE_LEFT event implemented for IgniteClassPath.

nizhikov and others added 28 commits June 25, 2026 15:38
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Possible compatibility issues. Please, check rolling upgrade cases

This PR modifies protected classes (with Order annotation).
Changes to these classes can break rolling upgrade compatibility.

Affected files:

  • modules/core/src/main/java/org/apache/ignite/internal/classpath/DownloadClassPathFailureMessage.java
  • modules/core/src/main/java/org/apache/ignite/internal/classpath/DownloadClassPathMessage.java
  • modules/core/src/main/java/org/apache/ignite/internal/management/classpath/ClassPathCreateCommandArg.java
  • modules/core/src/main/java/org/apache/ignite/internal/management/classpath/ClassPathRemoveCommandArg.java

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