oscerd commented on code in PR #23422:
URL: https://github.com/apache/camel/pull/23422#discussion_r3287132015
##########
docs/user-manual/modules/ROOT/pages/camel-4x-upgrade-guide-4_14.adoc:
##########
@@ -418,3 +418,24 @@ between the transport `from` and the `cxf:` `to`:
The same pattern applies to HTTP-based bridges (`platform-http`/`jetty`/`netty
-http`/`http` -> `cxf:`) and any other transport whose default
`HeaderFilterStrategy` filters `Camel*` headers.
+
+=== camel-jgroups
+
+The Exchange header constants in `JGroupsConstants` have been renamed to follow
+the Camel naming convention used across the rest of the component catalog. The
+Java field names are unchanged; only the header string values have changed:
+
+[options="header"]
+|===
+| Constant | Previous value | New value
+| `JGroupsConstants.HEADER_JGROUPS_CHANNEL_ADDRESS` |
`JGROUPS_CHANNEL_ADDRESS` | `CamelJGroupsChannelAddress`
+| `JGroupsConstants.HEADER_JGROUPS_DEST` | `JGROUPS_DEST` | `CamelJGroupsDest`
+| `JGroupsConstants.HEADER_JGROUPS_SRC` | `JGROUPS_SRC` | `CamelJGroupsSrc`
+| `JGroupsConstants.HEADER_JGROUPS_ORIGINAL_MESSAGE` |
`JGROUPS_ORIGINAL_MESSAGE` | `CamelJGroupsOriginalMessage`
+|===
+
+Routes that reference the constant symbolically (for example
+`setHeader(JGroupsConstants.HEADER_JGROUPS_DEST, ...)`) continue to work
+without changes. Routes that set the header by its literal string value
+(for example `setHeader("JGROUPS_DEST", ...)`) must be updated to use the
+new value (`setHeader("CamelJGroupsDest", ...)`).
Review Comment:
Good point — done. The entry now leads with an explicit "This is a breaking
change for routes that read or write these headers by their literal string
value." sentence, and the heading is changed to `=== camel-jgroups - potential
breaking change` to match the existing `=== camel-grok - potential breaking
change` convention.
The same wording is applied consistently across the three affected guides:
- this PR (4.14 guide on `main`)
- #23441 (4.14 guide on `camel-4.14.x`)
- #23451 (4.21 guide on `main`, the original #23209 entry)
_Claude Code on behalf of Andrea Cosentino_
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