Caused by: java.net.UnknownHostException: api.im.jpush.cn 服务器报这个:首先查看服务器是否能ping通,如果能ping通,则看下 vi /etc/resolv.conf 如果没有设置 nameserver 8.8.8.8 ,设置后重启网络 service network restart 然后再试就可以了…
测试方法: ping 127.0.0.1 ping localhost 解决方案: vi /etc/hosts 把127.0.0.1和wshCentOS绑定就好 按 i 进入修改模式,按 esc 退出修改模式: 输入   :wq    退出: 在用如下命令测试下:…
报错如下: java.io.IOException: javafx.fxml.LoadException: /C:/User.................test.fxml at com.oracle.javafx.scenebuilder.kit.fxom.FXOMLoader.load(FXOMLoader.java:92) at com.oracle.javafx.scenebuilder.kit.fxom.FXOMDocument.<init>(FXOMDocument.java:…
spark 2.1.1 一 问题重现 spark-submit --master local[*] --class app.package.AppClass --jars /jarpath/zkclient-0.3.jar --driver-memory 1g app.jar 报错 Java HotSpot(TM) 64-Bit Server VM warning: Setting CompressedClassSpaceSize has no effect when compressed cl…
近日在用HttpClient访问抓取汇率时,为了省力,直接采用 String url = "http://api.liqwei.com/currency/?exchange=usd|cny&count=1"; HttpClient client = new DefaultHttpClient(); HttpGet httpget = new HttpGet(url); HttpResponse response = client.execute(httpget); 以前用这种方…
spring boot整合elasticsearch, 启动报错: Caused by: java.lang.IllegalStateException: availableProcessors ], rejecting [] at io.netty.util.NettyRuntime$AvailableProcessorsHolder.setAvailableProcessors(NettyRuntime.java:) ~[netty-common-.Final.jar:.Final] at…
示例GitHub源码地址:https://github.com/AngelSXD/springcloud 1.首先使用feign调用,需要配置熔断器 2.配置熔断器需要将熔断器注入Bean,熔断器类上需要加注解@Component,确保可以被spring扫描到 3.熔断器类需要实现feignClient接口,并且重写 feignClient接口中的所有方法,做降级处理逻辑 4.需要在feignClient上的注解中,通过fallback属性来指明熔断器.class,等服务熔断的时候,来执行熔断器…
com.mongodb.MongoSocketOpenException: Exception opening socket at com.mongodb.connection.SocketStream.open(SocketStream.java:63) ~[mongodb-driver-core-3.4.3.jar:na]at com.mongodb.connection.InternalStreamConnection.open(InternalStreamConnection.java:…
今天闲来无事,学习springboot整合mybatis,在bilibili看视频学的,视频中在dao层的interface上面加上org.apache.ibatis.annotations.Mapper注解就可以了,但是我一直报错.这个应该是springboot整合mybatis的一个bug(新版的) Description: Field userDao in com.yuanqiao.service.impl.UserServiceImpl required a bean of type '…
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderServiceImpl': Unsatisfied dependency expressed through field 'memberFeign'; nested exception is org.springframework.beans.factory.BeanCreationExcept…