Debian Tomcat日志中常见警告信息及可能原因如下:
SEVERE: Error starting Tomcat. Port 8080 already in use,因端口被其他进程占用,需修改配置文件或停止占用进程。WARNING: [SetPropertiesRule] Setting property 'debug' to '0' did not find a matching property,配置文件中存在无效属性,需检查server.xml等文件。java.lang.OutOfMemoryError: Java heap space,JVM堆内存不足,需调整-Xmx/-Xms参数或优化应用。SEVERE: Failed to parse configuration class或ClassNotFoundException,类路径错误或依赖缺失,需检查部署路径或依赖库。Cannot create PoolableConnectionFactory,数据库连接池配置错误,需检查驱动、URL、权限等。RejectedExecutionException,线程池任务队列满,需增加线程数或优化应用。Log file has been rotated,日志文件按策略归档,通常无需处理,但需确保空间充足。