LI CHUANYI created LOGBACK-1420: ----------------------------------- Summary: Args array is double trimmed when passing more than one trailing throwable Key: LOGBACK-1420 URL: https://jira.qos.ch/browse/LOGBACK-1420 Project: logback Issue Type: Bug Components: logback-classic Affects Versions: 1.3.0-alpha5 Environment: java version "10.0.2" Windows 10 / IDEA Reporter: LI CHUANYI Assignee: Logback dev list Priority: Minor When passing more than one trailing throwable: {code:java} Logger logger = LoggerFactory.getLogger(Main.class); logger.warn("Message1={}, message2={}.", new Exception("I'm ex1"), new Exception("I'm ex2"), new Exception("I'm ex3")); {code} Output: 12:28:09.687 [main] WARN ch.qos.logback.classic.Main - Message1=java.lang.Exception: I'm ex1, {color:#d04437}message2=\{}{color}. java.lang.Exception: I'm ex3 at ch.qos.logback.classic/ch.qos.logback.classic.Main.main(Main.java:10) The second exception is trimmed by MessageFormatter#arrayFormat(String, Object[]) in LoggingEvent#getFormattedMessage(), although throwable had been already extracted in constructor. -- This message was sent by Atlassian JIRA (v7.3.1#73012)