Elvio Caruana created CAMEL-7448:
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Summary: throttle EIP - unchanged value
Key: CAMEL-7448
URL: https://issues.apache.org/jira/browse/CAMEL-7448
Project: Camel
Issue Type: Bug
Components: camel-core
Affects Versions: 2.13.1
Reporter: Elvio Caruana
Priority: Minor
Throttler Documentation [1] states "If the header is absent, then the Throttler
uses the old value. So that allows you to only provide a header if the value
is to be changed".
However:
.throttle(header("throttleHeader"))
however if the above evaluates to null (header missing from message) the
Throttler throws an exception (Throttler.java:108).
The workaround is to ensure that all messages carry the value (if the value is
the same no changes will take affect). Adding an option to turn this on and off
(e.g. allowNullException) would make it much easier to use (as per camel-users
thread [2]).
[1] http://camel.apache.org/throttler.html
[2]
http://camel.465427.n5.nabble.com/throttle-EIP-unchanged-value-td5751300.html
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