Joel Berta created LOG4J2-1570:
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Summary: Logging with a lambda expression with a method call that
also logs causes logs within method call to reference line num and method name
as parent method
Key: LOG4J2-1570
URL: https://issues.apache.org/jira/browse/LOG4J2-1570
Project: Log4j 2
Issue Type: Bug
Components: API
Affects Versions: 2.6.2
Reporter: Joel Berta
Priority: Minor
While logging a message using lambda expressions. If i call a method within the
log message (i.e logger.info(() -> "foo" +bar()) which also logs messages,
those logs within the called method will reference the line number and method
name of the method which invoked it.
Running the following code demonstrates this issue:
{code:title=TestingLogging.java|borderStyle=solid}
private static final Logger LOGGER =
LogManager.getLogger(TestingLogging.class);
public static String foo(){
LOGGER.info("bar");
return "foo";
}
public static void main(String[] args){
System.out.println("correct method reference: ");
LOGGER.info(foo());
System.out.println("\nincorrect method reference: ");
// causes logging in foo to reference
// this line number and method (main)
LOGGER.info(() -> foo());
}
{code}
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