Zookeeper合奏不会出现(Zookeeper ensemble not coming up)
我正在尝试按照文档配置3个节点的集合。 所有这些都在Linux Ubuntu上。 在所有三个节点配置文件看起来像这样：
在$ ZOOKEEPER_HOME / conf下的zoo.cfg
tickTime=2000 dataDir=/home/zkuser/zookeeper_data clientPort=2181 initLimit=5 syncLimit=2 server.1=ip.of.zk1:2888:3888 server.2=ip.of.zk2:2888:3888 server.3=ip.of.zk3:2888:3888我还在
/home/zkuser/zookeeper_data/目录下放置了各自的“myid”文件。 这个myid文件包含1在节点（ip.of.zk1）上，依此类推。当我使用bin / zkServer.sh启动zk服务器时，在控制台上没有显示任何异常。 但是，当我打开bin目录下的zookeeper.out文件时，我看到以下错误。
2014-11-04 00:23:49,120 [myid:3] - WARN [WorkerSender[myid=3]:QuorumCnxManager@382] - Cannot open channel to 1 at election address /ip.of.zk1:3888 java.net.NoRouteToHostException: No route to host at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:385) at java.net.Socket.connect(Socket.java:546) at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368) at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:341) at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:449) at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:430) at java.lang.Thread.run(Thread.java:701) 2014-11-04 00:23:49,123 [myid:3] - WARN [WorkerSender[myid=3]:QuorumCnxManager@382] - Cannot open channel to 2 at election address /ip.of.zk2:3888 java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:385) at java.net.Socket.connect(Socket.java:546) at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368) at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:341) at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:449) at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:430) at java.lang.Thread.run(Thread.java:701)注意 ：我已经在每台机器上使用iptables打开了相应的端口。 例如：Chain INPUT（policy ACCEPT）
target prot opt source destination ACCEPT all -- IP.of.ZK1 anywhere ACCEPT all -- IP.of.ZK2 anywhere ACCEPT all -- IP.of.ZK3 anywhere Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination谁能告诉我我失踪了什么？
此致，JE
I am trying to configure the ensemble of 3 nodes following the documentation. All of them are on Linux Ubuntu. on all the three nodes configuration file looks like this :
zoo.cfg under $ZOOKEEPER_HOME/conf
tickTime=2000 dataDir=/home/zkuser/zookeeper_data clientPort=2181 initLimit=5 syncLimit=2 server.1=ip.of.zk1:2888:3888 server.2=ip.of.zk2:2888:3888 server.3=ip.of.zk3:2888:3888I've also placed respective "
myid" files under/home/zkuser/zookeeper_data/directory. This myid files contain 1 which is on node (ip.of.zk1), so on and so forth.When I start the zk server using bin/zkServer.sh start without showing any exception on the console. However when I open the zookeeper.out files under bin directory I see the following errors.
2014-11-04 00:23:49,120 [myid:3] - WARN [WorkerSender[myid=3]:QuorumCnxManager@382] - Cannot open channel to 1 at election address /ip.of.zk1:3888 java.net.NoRouteToHostException: No route to host at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:385) at java.net.Socket.connect(Socket.java:546) at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368) at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:341) at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:449) at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:430) at java.lang.Thread.run(Thread.java:701) 2014-11-04 00:23:49,123 [myid:3] - WARN [WorkerSender[myid=3]:QuorumCnxManager@382] - Cannot open channel to 2 at election address /ip.of.zk2:3888 java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:385) at java.net.Socket.connect(Socket.java:546) at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368) at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:341) at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:449) at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:430) at java.lang.Thread.run(Thread.java:701)Note :I've opened the appropriate ports using iptables on each machines. For example : Chain INPUT (policy ACCEPT)
target prot opt source destination ACCEPT all -- IP.of.ZK1 anywhere ACCEPT all -- IP.of.ZK2 anywhere ACCEPT all -- IP.of.ZK3 anywhere Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destinationCan anyone please tell me what I've been missing ?
Regards, JE
原文：https://stackoverflow.com/questions/26732514
更新时间：2023-06-17 08:06
最满意答案
您可能会考虑一些选项
- 将数据存储在cookie中
- 使用localStorage
- 将所有内容保存在root vue实例中
- 将所有内容保存在包装vue组件中
我的建议是在cookie中存储身份验证令牌 - 这是成功调用后端所必需的。 这样，您可以通过发送的每个请求轻松访问它。
要存储我建议的用户信息，要么创建包装组件，要么使用root vue实例。 以下示例应该清除这一点。
包装主组件（内联模板）
data: function() { return { userinfo: {} } }, created: function() { // load your user info }然后在index.html / main视图中使用它
<body> <home inline-template> <!-- any stuff here --> <!-- pass the user prop to every component that is shown in the userinfo --> <router-view :user="userinfo"></router-view> </home> </body>然后，路由器视图中显示的组件可以访问用户道具
示例组件
... props: ['user'], ... <template> <span>{{ user.name }}</span> </template> ...重要提示：为了完成这项工作，您还需要添加props：true以定义您的路线。 这里详细解释了所有内容： https ： //router.vuejs.org/en/essentials/passing-props.html
备注：如果您不想在包装组件中加载userdata，可以将其加载到其他任何位置，并使用事件总线将结果传输到包装组件。 但是，您应始终只有一个关于用户信息的真实来源。 只能将它存放在一个地方。
Some options you might consider
- store data in cookies
- use localStorage
- keep everything in the root vue instance
- keep everything in a wrapping vue component
My suggestion would be to store the auth token - that is actually required to successfully call your backend - in a cookie. This will make it super easy to access it with each and every request you send.
To store the user information I'd suggest to either create a wrapping component or use the root vue instance. The following example should clearify this.
wrapping home component (inline template)
data: function() { return { userinfo: {} } }, created: function() { // load your user info }Then use it in your index.html / main view
<body> <home inline-template> <!-- any stuff here --> <!-- pass the user prop to every component that is shown in the userinfo --> <router-view :user="userinfo"></router-view> </home> </body>Your components that are shown in the router-view can then access the user prop
example component
... props: ['user'], ... <template> <span>{{ user.name }}</span> </template> ...IMPORTANT: to make this work you will also need to add props: true to the definition of your route. Everything is explained here in detail: https://router.vuejs.org/en/essentials/passing-props.html
Remark: If you don't want to load userdata in your wrapping component you can load it anywhere else and use an event bus to transfer the results to the wrapping component. However, you should always have only ONE source of truth regarding the user info. Store it only at a single place.
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