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commit a409da0a7fd909433a57319bdc4c306b5c71fef1
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Thu Jan 23 05:54:42 2020 +0100
CAMEL-14421: optimize core - ServiceSupport should not have instance
logger. Use static logger instead.
---
.../modules/ROOT/pages/camel-3x-upgrade-guide.adoc | 21 +++++++++++++++++++++
1 file changed, 21 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 2c8eb66..eff3c37 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
@@ -107,6 +107,27 @@ See the xref:message-history.adoc[Message History]
documentation for how to enab
=== API changes
+==== log changed to private static LOG
+
+The `ServiceSupport` class has changed its logging from instance to static,
which means any inherited class that
+uses `log` would need to change the code to compile. This may happen in custom
Camel components.
+
+Before you may have:
+
+[source,java]
+----
+ log.debug("Sending message to foobar service: {}", messageId);
+----
+
+You then need to migrate the logging to also be static:
+
+[source,java]
+----
+ private static final Logger LOG =
LoggerFactory.getLogger(FooBarProducer.class);
+
+ LOG.debug("Sending message to foobar service: {}", messageId);
+----
+
==== Exchange
The `Exchange` API has been modified slightly as part of an optimization
effort.
