CAMEL-24296: document the setObjectInputFilter IllegalStateException gotcha in the upgrade guide - #25401
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…gotcha in the upgrade guide Per review: the 2-arg CamelObjectInputStream constructor now always installs a filter, so a subsequent setObjectInputFilter() call throws IllegalStateException on JDK 17+. Note the backward-compat change and recommend the 3-arg constructor. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Signed-off-by: Andrea Cosentino <ancosen@gmail.com>
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🌟 Thank you for your contribution to the Apache Camel project! 🌟 🐫 Apache Camel Committers, please review the following items:
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davsclaus
approved these changes
Aug 7, 2026
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🧪 CI tested the following changed modules:
🔬 Scalpel shadow comparison — Scalpel: 1 tested, 0 compile-only — current: 0 all testedMaveniverse Scalpel detected 1 affected modules (current approach: 0).
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Follow-up to #25378 (CAMEL-24296).
During the merge of #25378 this upgrade-guide note — requested by @gnodet in review — was left behind by GitHub's fork-head sync lag: the PR was merged at the previous commit before the doc commit synced to the PR head. This lands it on
main.It documents that the two-argument
CamelObjectInputStream(InputStream, CamelContext)constructor now always installs a filter, so a subsequentsetObjectInputFilter()call throwsIllegalStateException("filter can not be set more than once") on JDK 17+, and recommends the three-argument constructor as the migration path.Docs-only.
Claude Code on behalf of oscerd