Mysql "Host 'SKY-20170813HTR' is not allowed to connect to this MySQL server"

在搭建solr7.3.0时，配置了mysql数据库，在本地solr和mysql在同一台服务器时没有问题，在不同服务器时出现以下异常：

Exception: Unable to execute query: select id,cosmetic_id, uid_wechat,uid,user_name,nick_name,create_time,update_time, content,content_view,auditor,audit_time,audit_state,filter_flag,state from cosmetic_comment Processing Document # 1
	at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:271)
	at org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:424)
	at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:483)
	at org.apache.solr.handler.dataimport.DataImporter.lambda$runAsync$0(DataImporter.java:466)
	at org.apache.solr.handler.dataimport.DataImporter$$Lambda$194/4339569.run(Unknown Source)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException: Unable to execute query: select id,cosmetic_id, uid_wechat,uid,user_name,nick_name,create_time,update_time, content,content_view,auditor,audit_time,audit_state,filter_flag,state from cosmetic_comment Processing Document # 1
	at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:417)
	at org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:330)
	at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:233)
	... 5 more
Caused by: org.apache.solr.handler.dataimport.DataImportHandlerException: Unable to execute query: select id,cosmetic_id, uid_wechat,uid,user_name,nick_name,create_time,update_time, content,content_view,auditor,audit_time,audit_state,filter_flag,state from cosmetic_comment Processing Document # 1
	at org.apache.solr.handler.dataimport.DataImportHandlerException.wrapAndThrow(DataImportHandlerException.java:69)
	at org.apache.solr.handler.dataimport.JdbcDataSource$ResultSetIterator.<init>(JdbcDataSource.java:327)
	at org.apache.solr.handler.dataimport.JdbcDataSource.createResultSetIterator(JdbcDataSource.java:288)
	at org.apache.solr.handler.dataimport.JdbcDataSource.getData(JdbcDataSource.java:283)
	at org.apache.solr.handler.dataimport.JdbcDataSource.getData(JdbcDataSource.java:52)
	at org.apache.solr.handler.dataimport.SqlEntityProcessor.initQuery(SqlEntityProcessor.java:59)
	at org.apache.solr.handler.dataimport.SqlEntityProcessor.nextRow(SqlEntityProcessor.java:73)
	at org.apache.solr.handler.dataimport.EntityProcessorWrapper.nextRow(EntityProcessorWrapper.java:267)
	at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:476)
	at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:415)
	... 7 more
Caused by: java.sql.SQLException: null,  message from server: "Host 'SKY-20170813HTR' is not allowed to connect to this MySQL server"
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:964)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:897)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:886)
	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1040)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2194)
	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2225)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2024)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:779)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)
	at org.apache.solr.handler.dataimport.JdbcDataSource$1.call(JdbcDataSource.java:192)
	at org.apache.solr.handler.dataimport.JdbcDataSource$1.call(JdbcDataSource.java:172)
	at org.apache.solr.handler.dataimport.JdbcDataSource.getConnection(JdbcDataSource.java:528)
	at org.apache.solr.handler.dataimport.JdbcDataSource$ResultSetIterator.<init>(JdbcDataSource.java:317)
	... 15 more

解决方法：

打开mysql数据库-->查询user表-->修改Host (127.0.0.1-->%) ，重启mysql服务即可