版主,我在集群放部署topology。每次调用一次topology跑到一半就报错。求指导 work里报的日志 2015-10-19T20:55:54.455+0800 o.a.z.ClientCnxn [INFO] Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-10-19T20:55:54.556+0800 o.a.z.ClientCnxn [INFO] Opening socket connection to server 2.2.2.12/2.2.2.12:2181. Will not attempt to authenticate using SASL (unknown error) 2015-10-19T20:55:54.556+0800 o.a.z.ClientCnxn [INFO] Socket connection established to 2.2.2.12/2.2.2.12:2181, initiating session 2015-10-19T20:55:54.557+0800 o.a.z.ClientCnxn [WARN] Session 0x0 for server 2.2.2.12/2.2.2.12:2181, unexpected error, closing socket connection and attempting reconnect java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[na:1.8.0_60] at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[na:1.8.0_60] at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[na:1.8.0_60] at sun.nio.ch.IOUtil.read(IOUtil.java:192) ~[na:1.8.0_60] at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) ~[na:1.8.0_60] at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:68) ~[stormjar.jar:na] at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:366) ~[stormjar.jar:na] at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) ~[stormjar.jar:na] 2015-10-19T20:55:54.560+0800 o.a.z.ClientCnxn [INFO] Opening socket connection to server 2.2.2.12/2.2.2.12:2181. Will not attempt to authenticate using SASL (unknown error) 2015-10-19T20:55:54.560+0800 o.a.z.ClientCnxn [INFO] Socket connection established to 2.2.2.12/2.2.2.12:2181, initiating session |
Joker 发表于 2014-11-27 21:39 public void declareOutputFields(OutputFieldsDeclarer declarer) { declarer.declare(new Fields("id", "result")); } exclamation 这只是个参数,并非函数 第三个确实是返回,后面多了叹号(!) 来源http://www.aboutyun.com/thread-10316-1-1.html 楼主不要拘泥于语句 这本书你可以看看 相信对有帮助: 链接:http://pan.baidu.com/s/1hq6Aci4 密码:y21h |
版主你好,你看下我这样理解DRPC程序对吗 1在创建new LinearDRPCTopologyBuilder("exclamation")对象,不用去实现exclamation方法,它只是作为一个DRPC方法名而已,但是我看别人要实现这个DRPC函数,也就是参数名字的函数 2.声明的第一个bolt会接收一个两维tuple指的是
这段代码 还是 这段代码3.返回最后的结果通过这段代码?
假设我有很多的bolt,那么我在topology中如下设定中间的bolt
到最后一个bolt时候才使用你这个例子中用的bolt形式吗?传递方法名和参数,方法名必须和 new LinearDRPCTopologyBuilder("exclamation")这个参数名字一致 希望版主能回复我 |