小编Imi*_*hau的帖子

我们正在将一个 Web 应用程序从 log4j 迁移到 log4j2。

该应用程序使用 SLF4J 并包含以下依赖项：

• 日志4j
• slf4j-api
• slf4j-log4j12
• jcl-over-slf4j

并排除所有可能引用公共日志记录的内容。

我们通过以下方式替换了旧的 log4j 依赖项：

• log4j-api
• log4j-核心
• log4j-slf4j-impl
• log4j-web

日志配置文件是使用 servlet 加载的。

在 Websphere 中部署 de EAR 文件时出现以下异常：

ERROR StatusLogger An exception occurred processing Appender rollingFileMijntoekomst
 java.lang.ClassCastException: java.lang.String incompatible with java.util.Map$Entry
    at org.apache.logging.log4j.message.ParameterFormatter.appendMap(ParameterFormatter.java:563)
    at org.apache.logging.log4j.message.ParameterFormatter.appendPotentiallyRecursiveValue(ParameterFormatter.java:498)
    at org.apache.logging.log4j.message.ParameterFormatter.recursiveDeepToString(ParameterFormatter.java:456)
    at org.apache.logging.log4j.message.ParameterFormatter.formatMessage2(ParameterFormatter.java:189)
    at org.apache.logging.log4j.message.ParameterizedMessage.formatTo(ParameterizedMessage.java:228)
    at org.apache.logging.log4j.core.pattern.MessagePatternConverter.format(MessagePatternConverter.java:120)
    at org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:38)
    at org.apache.logging.log4j.core.layout.PatternLayout$PatternSerializer.toSerializable(PatternLayout.java:341)
    at org.apache.logging.log4j.core.layout.PatternLayout.toText(PatternLayout.java:240)
    at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:225)
    at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:59)
    at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:197)
    at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:190)
    at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:181)
    at org.apache.logging.log4j.core.appender.RollingFileAppender.append(RollingFileAppender.java:312)
    at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
    at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
    at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
    at …