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Eclipse Jetty JettyLauncher 问题解决与使用技巧

Eclipse Jetty JettyLauncher java.net.SocketException: Unrecognized Windows Sockets error: 10106: create 刚开始还好好的,突然间出然这个错误,于启动不了了。 XP SP2、Eclipse 3.1.2、Jetty-5.1.11RC0、JettyLauncher 1.3.0 XP SP2、Eclipse 3.2.0、Jetty-5.1.11RC0、JettyLauncher 1.4.1 都不行。 谷歌与摆渡后,看到应当与此无关,而是与网络协议有关的问题,但是没有看到方便的解决办法,怪事,难道真的得重装系统? launching Jetty webapp: /xxx on address: 127.0.0.1:8088 using dir: [F:\JavaProject\xxx] 10:27:28.640 INFO   [main] org.mortbay.log.LogImpl.add(LogImpl.java:109) >16> added org.mortbay.log.OutputStreamLogSink@120a47e 10:27:28.625 INFO   [main] org.mortbay.log.LogImpl.reset(LogImpl.java:228) >11> reset 10:27:28.640 INFO   [main] org.mortbay.log.LogImpl.add(LogImpl.java:109) >11> added org.mortbay.log.OutputStreamLogSink@789144 org.mortbay.util.MultiException[java.net.SocketException: Unrecognized Windows Sockets error: 10106: create]         at org.mortbay.http.HttpServer.doStart(HttpServer.java:686)         at org.mortbay.util.Container.start(Container.java:72)         at com.iw.plugins.jettyrunner.PluginRunner.launch(PluginRunner.java:282)         at com.iw.plugins.jettyrunner.PluginRunner.launch(PluginRunner.java:104)         at com.iw.plugins.jettyrunner.PluginRunner.main(PluginRunner.java:75) java.net.SocketException: Unrecognized Windows Sockets error: 10106: create         at java.net.ServerSocket.createImpl(ServerSocket.java:254)         at java.net.ServerSocket.getImpl(ServerSocket.java:205)         at java.net.ServerSocket.bind(ServerSocket.java:318)         at java.net.ServerSocket.<init>(ServerSocket.java:185)         at org.mortbay.util.ThreadedServer.newServerSocket(ThreadedServer.java:391)         at org.mortbay.util.ThreadedServer.open(ThreadedServer.java:477)         at org.mortbay.util.ThreadedServer.start(ThreadedServer.java:503)         at org.mortbay.http.SocketListener.start(SocketListener.java:204)         at org.mortbay.http.HttpServer.doStart(HttpServer.java:716)         at org.mortbay.util.Container.start(Container.java:72)         at com.iw.plugins.jettyrunner.PluginRunner.launch(Plugi

01

Kafka错误“Network is unreachable”和“larger than available brokers”

确定Kafka安装和启动正确,ZooKeeper可以查到所有的Brokers,但执行: kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 3 --partitions 1 --topic my-replicated-topic 遇到如下错误: java.net.SocketException: Network is unreachable         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)         at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141) Error while executing topic command : replication factor: 3 larger than available brokers: 0 [2017-06-26 17:25:18,037] ERROR org.apache.kafka.common.errors.InvalidReplicationFactorException: replication factor: 3 larger than available brokers: 0 这个问题可能是broker的配置文件server.properties中的配置项zookeeper.connect指定了kafka的zookeeper的根目录,如: zookeeper.connect=192.168.31.32:2181,192.168.31.33:2181/kafka 这个时候,命令行参数“--zookeeper”的值也需要带上根目录,否则就会报这个错误,正确做法是: kafka-topics.sh --create --zookeeper localhost:2181/kafka --replication-factor 3 --partitions 1 --topic my-replicated-topic

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