Exception as last argument on a placeholder-filling slf4j logger.error() call

LoggerTest.java

package org; // ignore this for example 

import org.junit.Test;
import org.slf4j.LoggerFactory;
import org.slf4j.Logger;

public class LoggerTest {

    Logger logger = LoggerFactory.getLogger(getClass());

    @Test
    public void testLogException() {

        try {

            throw new RuntimeException("An exception message for this lovely exception.");

        } catch (RuntimeException exception) {

            logger.error("I can log a message with a placeholder like this {} and also a stack trace.",
                    "fills_the_placeholder",
                    exception);
        }

    }

}

output.log

ERROR [main] org.LoggerTest 2014-04-01 16:04:40,844 - I can log a message with a placeholder like this fills_the_placeholder and also a stack trace.
java.lang.RuntimeException: An exception message for this lovely exception.
	at org.LoggerTest.testLogException(LoggerTest.java:19) ~[test-classes/:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_45]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[na:1.7.0_45]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_45]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_45]
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) [junit-4.11.jar:na]
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) [junit-4.11.jar:na]
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) [junit-4.11.jar:na]
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) [junit-4.11.jar:na]
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) [junit-4.11.jar:na]
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) [junit-4.11.jar:na]
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) [junit-4.11.jar:na]
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) [junit-4.11.jar:na]
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) [junit-4.11.jar:na]
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) [junit-4.11.jar:na]
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) [junit-4.11.jar:na]
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) [junit-4.11.jar:na]
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309) [junit-4.11.jar:na]
	at org.junit.runner.JUnitCore.run(JUnitCore.java:160) [junit-4.11.jar:na]
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:74) [junit-rt.jar:na]
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:211) [junit-rt.jar:na]
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:67) [junit-rt.jar:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_45]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[na:1.7.0_45]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_45]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_45]
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120) [idea_rt.jar:na]