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gnodet pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/camel.git
commit ec465ce731f1150153be3eace50212fc33786f5a
Author: Guillaume Nodet <gno...@gmail.com>
AuthorDate: Wed Feb 12 15:58:13 2020 +0100
Add notice about the suppression of the extended placeholders
---
.../modules/ROOT/pages/camel-3x-upgrade-guide.adoc | 44 ++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/docs/user-manual/modules/ROOT/pages/camel-3x-upgrade-guide.adoc
b/docs/user-manual/modules/ROOT/pages/camel-3x-upgrade-guide.adoc
index 97f5daf..957a6c3 100644
--- a/docs/user-manual/modules/ROOT/pages/camel-3x-upgrade-guide.adoc
+++ b/docs/user-manual/modules/ROOT/pages/camel-3x-upgrade-guide.adoc
@@ -445,3 +445,47 @@ Remove the method `getProcessors` from `Pipeline` as you
should use the `next` m
The `@Experimental` annotation is moved from `meta-annotations` JAR to
`camel-api`
and moved from package `org.apache.camel.meta` to `org.apache.camel`.
And the meta-annotations has been removed.
+
+==== Property Placeholders
+
+The support for out-of-band property placeholders has been removed.
+This means that XML that were using the
`http://camel.apache.org/schema/placeholder`
+namespace and that the java builders using the `.placeholder(key, value).`
have to
+be modified.
+
+[source,java]
+----
+ from("direct:start")
+ .multicast()
+ .placeholder("stopOnException", "stop")
+ .to("mock:a")
+----
+should be rewritten as:
+[source,java]
+----
+ from("direct:start")
+ .multicast()
+ .stopOnException("{{stop}}")
+ .to("mock:a")
+----
+
+and
+[source,xml]
+----
+ <route>
+ <from uri="direct:start"/>
+ <multicast prop:stopOnException="stop">
+ <to uri="mock:a"/>
+ </multicast>
+ </route>
+ ----
+should be rewritten as:
+[source,xml]
+----
+ <route>
+ <from uri="direct:start"/>
+ <multicast stopOnException="{{stop}}">
+ <to uri="mock:a"/>
+ </multicast>
+ </route>
+ ----
