Encountered an unexpected error when attempting to resolve tag helper directive '@addTagHelper' with value '"*, Microsoft.AspNet.Mvc.TagHelpers"'

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Encountered an unexpected error when attempting to resolve tag helper directive '@addTagHelper' with value '"*, Microsoft.AspNet.Mvc.TagHelpers"'

project.json 配置: { "version": "1.0.0-*", "compilationOptions": { "emitEntryPoint": true }, "dependencies": { "Microsoft.AspNet.Diagnostics": "1.0.0-rc2-16303", "Microsoft.AspNet.II…

VS2015突然报错————Encountered an unexpected error when attempting to resolve tag helper directive '@addTagHelper' with value 'Microsoft.AspNet.Mvc.Razor.TagHelpers.UrlResolutionTagHelper

Encountered an unexpected error when attempting to resolve tag helper directive '@addTagHelper' with value 'Microsoft.AspNet.Mvc.Razor.TagHelpers.UrlResolutionTagHelper, Microsoft.AspNet.Mvc.Razor'. Error: 未将对象引用设置到对象的实例. ASP.NET MVC的View视图突然都报错. 解决方…

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WARN Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn)

[2017-05-19 13:32:14,933] INFO Waiting for keeper state SyncConnected (org.I0Itec.zkclient.ZkClient)[2017-05-19 13:32:15,028] INFO Opening socket connection to server hadoop02/192.168.233.201:2181. Will not attempt to authenticate using SASL (unknown…

WARN Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn) java.net.ConnectException: Connection refused

1.启动kafka的脚本程序报如下所示的错误: [hadoop@slaver1 script_hadoop]$ kafka-start.sh start kafkaServer... [-- ::,] INFO Verifying properties (kafka.utils.VerifiableProperties) [-- ::,] INFO Property broker.id (kafka.utils.VerifiableProperties) [-- ::,] INFO Proper…

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Linux下启动tomcat报错，WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException:

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