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  1. logback
  2. LOGBACK-1420

Args array is double trimmed when passing more than one trailing throwable

    Details

    • Type: Bug
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: 1.3.0-alpha5
    • Fix Version/s: None
    • Component/s: logback-classic
    • Labels:
      None
    • Environment:

      java version "10.0.2" 

      Windows 10 / IDEA

       

       

      Description

      When passing more than one trailing throwable: 

       

      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"));
      

      Output:

       

      12:28:09.687 [main] WARN ch.qos.logback.classic.Main - Message1=java.lang.Exception: I'm ex1, message2={}.
      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.

       

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            • Assignee:
              logback-dev Logback dev list
              Reporter:
              lcybo LI CHUANYI
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              Dates

              • Created:
                Updated: