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报错

30-May-2022 09:52:49.525 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in 70168 ms
sessionCreated：C1BE6C7539EDDD600FE1DAB8A001BF77
[2022-05-30 09:52:54] [WARN] [net.sf.ehcache.distribution.RMICacheManagerPeerListener:120] Explicitly setting the listener hostname to 'localhost' is not recommended. It will only work if all CacheManager peers are on the same machine.
[2022-05-30 09:52:54] [ERROR] [net.sf.ehcache.distribution.RMICacheManagerPeerListener:330] Exception starting RMI registry. Error was Port already in use: 40001; nested exception is:
        java.net.BindException: 地址已在使用 (Bind failed)
java.rmi.server.ExportException: Port already in use: 40001; nested exception is:
        java.net.BindException: 地址已在使用 (Bind failed)
        at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:346)

问题

重启jeecg的tomcat后，出现上述错误，运行netstat -tunlp |grep 40001发现有服务，但是查pid查不到

运行lsof -i:40001后出现一堆这啥

解决

1：查找一下 ehcache.xml文件

find ./ -name ehcache.xml

2:编辑ehcache.xml文件，找到cacheManagerPeerListenerFactory节点
将40001随便改个port，保存，重启完事

附：

Jeecg-Boot 技术文档_V2.1 (mydoc.io)