SeasonPanPan commented on issue #2363:
URL:
https://github.com/apache/logging-log4j2/issues/2363#issuecomment-1992757662
Also, I found an **incompatibility** issue, from version 2.19.0 to 2.23.1,
for example:
```java
@Test
public void testLog() {
log.info("first param is {}, second param is {}", "Log4j2");
}
```
It works ok with v2.19.0, but throw an exception with v2.23.1.
Although the standard way to write is to provide 2 parameters, in fact,
there are many developers who write code that is not standardized, but it used
to work fine.
```
2024-03-12T23:55:03.063Z main ERROR Unable to format msg: first param is {},
second param is {} java.lang.IllegalArgumentException: found 2 argument
placeholders, but provided 1 for pattern `first param is {}, second param is {}`
at
org.apache.logging.log4j.message.ParameterFormatter.formatMessage(ParameterFormatter.java:248)
at
org.apache.logging.log4j.message.ParameterizedMessage.formatTo(ParameterizedMessage.java:282)
at
org.apache.logging.log4j.core.pattern.MessagePatternConverter$SimpleMessagePatternConverter.format(MessagePatternConverter.java:120)
at
org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:44)
at
org.apache.logging.log4j.core.layout.PatternLayout$PatternFormatterPatternSerializer.toSerializable(PatternLayout.java:397)
at
org.apache.logging.log4j.core.layout.PatternLayout.toText(PatternLayout.java:252)
at
org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:238)
at
org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:58)
at
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:227)
at
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:220)
at
org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:211)
at
org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:160)
at
org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:133)
at
org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:124)
at
org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:88)
at
org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:705)
at
org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:663)
at
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:639)
at
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:575)
at
org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:92)
at org.apache.logging.log4j.core.Logger.log(Logger.java:169)
at
org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2906)
at
org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2859)
at
org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2841)
at
org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2637)
at
org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:2402)
at org.apache.logging.slf4j.Log4jLogger.info(Log4jLogger.java:184)
```
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