Spring tomcat StackOverflowError 启动异常

Question

我正在使用 tomcat 1.7，它运行良好。今天我重新启动 tomcat 并使我低于 WhosebugError。错误消息似乎是 log4j 循环。
任何帮助将不胜感激。

org.apache.catalina.core.StandardContext.listenerStart Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
 java.lang.WhosebugError
        at java.util.HashMap.hash(HashMap.java:339)
        at java.util.HashMap.get(HashMap.java:557)
        at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:58)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
        at org.apache.log4j.Category.<init>(Category.java:57)
        at org.apache.log4j.Logger.<init>(Logger.java:37)
        at org.apache.log4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:43)
        at org.apache.log4j.LogManager.getLogger(LogManager.java:45)
        at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:64)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
        at org.apache.log4j.Category.<init>(Category.java:57)
        at org.apache.log4j.Logger.<init>(Logger.java:37)
        at org.apache.log4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:43)
        at org.apache.log4j.LogManager.getLogger(LogManager.java:45)
        at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:64)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
        at org.apache.log4j.Category.<init>(Category.java:57)
        at org.apache.log4j.Logger.<init>(Logger.java:37)
        at org.apache.log4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:43)
        at org.apache.log4j.LogManager.getLogger(LogManager.java:45)
        at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:64)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
        at org.apache.log4j.Category.<init>(Category.java:57)
        at org.apache.log4j.Logger.<init>(Logger.java:37)
        at org.apache.log4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:43)
        at org.apache.log4j.LogManager.getLogger(LogManager.java:45)
        at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:64)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
        at org.apache.log4j.Category.<init>(Category.java:57)
        at org.apache.log4j.Logger.<init>(Logger.java:37)
        at org.apache.log4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:43)
        at org.apache.log4j.LogManager.getLogger(LogManager.java:45)
        at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:64)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:270)
        at org.apache.log4j.Category.<init>(Category.java:57)
        at org.apache.log4j.Logger.<init>(Logger.java:37)

我有日志库

org.slf4j:slf4j-api:1.6.6
org.slf4j:jcl-over-slf4j:1.6.6
org.slf4j:slf4j-log4j12:1.6.6
log4j:log4j:1.2.15

Answer 1

在 spring-boot-starter-web

中排除 spring-boot-starter-logging 依赖

Answer 2

您的依赖列表（包括传递依赖）必须同时包含：

log4j-over-slf4j：Log4j 1.2 的替代品，将所有内容发送到 SLF4j，
slf4j-log4j12：一个 SLF4j 实现，将所有内容转发到 Log4j 1.2

因此无限循环。您在问题中提到的 log4j 工件未被考虑在内（它必须在 log4j-over-slf4j 之后的类路径中列出）。

删除 log4j-over-slf4j 就没问题了。

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