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document multi-arg logging, see #1856

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Roland 2012-02-22 11:00:00 +01:00
parent 5a344ac67d
commit ae4a1960ad
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9
akka-docs/java/logging.rst
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@ -30,8 +30,13 @@ object is translated to a String according to the following rules:
* in case of a class an approximation of its simpleName
* and in all other cases the simpleName of its class
The log message may contain argument placeholders ``{}``, which will be substituted if the log level
is enabled.
The log message may contain argument placeholders ``{}``, which will be
substituted if the log level is enabled. Giving more arguments as there are
placeholders results in a warning being appended to the log statement (i.e. on
the same line with the same severity). You may pass a Java array as the only
substitution argument to have its elements be treated individually:
.. includecode:: code/akka/docs/event/LoggingDocTestBase.java#array
The Java :class:`Class` of the log source is also included in the generated
:class:`LogEvent`. In case of a simple string this is replaced with a “marker”