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java启动报错java.lang.ClassNotFoundException: org.jboss.netty.channel.ChannelFactory

>java启动报错java.lang.ClassNotFoundException: org.jboss.netty.channel.ChannelFactory ,这个是因为依赖的netty没...

dubbo 报错:Can not create adaptive extenstion interface com.alibaba.dubbo.rpc.Protocol, cause: null

>dubbo 报错:Caused by: java.lang.IllegalStateException: Can not create adaptive extenstion interfac...

java 插入emoji报错,Incorrect string value: '\xF0\x9F\x93\xB9 |...' for column 'CONTENT' at row 1

>emoji有些字符是4bytes的,而utf8最多3个字节。所以要使用utf8的超集--utf8mb4 + 数据库和表配置my.ini ``` bash [mysqld] charac...

groovy 日期计算报错报错:groovy.lang.MissingMethodException: No signature of method: java.util.Date.minus()

>groovy 日期计算报错报错:groovy.lang.MissingMethodException: No signature of method: java.util.Date.minus...

Error!]the type java.lang.String cannot be resolved. it is indirectly referenced from required .class files

>groovy idea 运行报错:Error!]the type java.lang.String cannot be resolved. it is indirectly reference...

maven 项目,groovy报错:Error:(2, 1) Groovyc: unable to resolve class groovy.sql.Sql

>Error:(2, 1) Groovyc: unable to resolve class groovy.sql.Sql [1] 这个是因为我们只引用了groovy基础组建,如下: `...

mysql 报错:No query specified

>mysql 运行语句报错:No query specified ``` bash No query specified ``` [1] 解决办法,去掉多余的分号

Permissions 0644 for '/home/xxx.pem' are too open.

>这个是因为密钥文件的访问权限过高,不能使用Permissions 0644 for '/home/xxx.pem' are too open. [1]报错: ``` bash @...

firefox 查看源码报错:Stray start tag script

>火狐浏览器有html的validator,右键---查看源码,红色的script 报错: Stray start tag script . [1] 这个是火狐认为放在body和head外...

spring boot scala 对象fastJson toJsonString 为空

>spring boot自带的json converter和fastjson对scala生成的对象,都不能很好的序列化成json。结果都会为空 解决办法: [1] 需要序列化的类型,用k...