FISCO-BCOS/fisco-bcos-browser

最新master报错数据库连接池错误

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如下图所示:

image

原因是我使用yum默认安装的是mysql5.5,但实际区块浏览器需要安装mysql5.6以上的版本。把mysql升级到5.7即可。升级方法:https://www.cnblogs.com/wishwzp/p/7113403.html
注意,升级完mysql软件版本以后还得执行如下操作升级mysql和重启mysql:
mysql_upgrade -u root
systemctl restart mysqld
更多详情参见链接:https://stackoverflow.com/questions/31967527/table-performance-schema-session-variables-doesnt-exist