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RSS订阅原创 liunx 安装GBASE 8s v8.8 IP地址一直添加不成功
解决方法：是因为开启了防火墙或者禁ping。脚本是用的ping命令判断的网络是否通畅的。
2025-10-23 15:25:28
165
原创 mysql数据库迁移至gbase 8s V8.8版本
当 mysql 库使用 utf 字符集，迁移后默认扩展 4 倍；当 mysql 库使用 gbk 字符集 迁移后默认扩展 2 倍，若不需要可修改 Migration.ini 文件，删除-DmysqlFrag=1，如 下图所示内容后重启 MT。需注意：南大通用数据库对索引长度的限制更严格，且。：mysql中索引重复了 ，删除重复的。
2025-10-23 15:16:02
444
原创 Redis8.2.2启动提示：WARNING Memory overcommit must be enabled
WARNING Memory overcommit must be enabled! Without it, a background save or replication may fail under low memory condition. Being disabled, it can also cause failures without low memory condition, see https://github.com/jemalloc/jemalloc/issues/1328. To f
2025-10-15 12:23:34
426
原创 验证码接口提示:Handler dispatch failed: java.lang.InternalError: java.lang.reflect.InvocationTargetExceptio
Handler dispatch failed: java.lang.InternalError: java.lang.reflect.InvocationTargetException。 Fontconfig head is null, check your fonts or fonts configuration
2025-03-13 15:46:19
1736
原创 jeecg 导出excel表格提示Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exc
Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Handler processing failed: java.lang.AbstractMethodError: Receiver class org.tcode.poi.excel.view.JeecgEntityExcelView does not define or inherit an implementation o
2025-03-11 10:51:01
690
原创 ubuntu 启动服务提示 Failed to start sshd.service: Transaction for ssh.service/start is destructive
ubuntu 启动服务提示 Failed to start sshd.service: Transaction for ssh.service/start is destructive ( emergency.target has 'start' job queued, but 'stop' is included in transaction).
2024-12-10 15:04:23
1177
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