https://community.cloudera.com/t5/Archives-of-Support-Questions/Flume-Twitter-Could-not-configure-channel-MemChannel/m-p/135483#M23294 <P style="margin-left: 20px;"><A rel="user" href="https://community.cloudera.com/users/393/aervits.html" nodeid="393">@Artem Ervits</A> Thanks. It is working now.</P> Sat, 19 Mar 2016 19:55:20 GMT pardeepgorla 2016-03-19T19:55:20Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Flume-Twitter-Could-not-configure-channel-MemChannel/m-p/135481#M23292 <P>I am trying to fetch twitter feed in using hortonworks ambari cluster.</P><P>But getting below error:</P><P><STRONG>19 Mar 2016 03:54:49,969 WARN [conf-file-poller-0] (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.validateChannels:486) - Could not configure channel MemChannel due to: Component has no type. Cannot configure. MemChannel org.apache.flume.conf.ConfigurationException: Component has no type. Cannot configure. MemChannel at org.apache.flume.conf.ComponentConfiguration.configure(ComponentConfiguration.java:76) at org.apache.flume.conf.channel.ChannelConfiguration.configure(ChannelConfiguration.java:32) at org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.validateChannels(FlumeConfiguration.java:470) at org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.isValid(FlumeConfiguration.java:334) at org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.access$000(FlumeConfiguration.java:212) at org.apache.flume.conf.FlumeConfiguration.validateConfiguration(FlumeConfiguration.java:126) at org.apache.flume.conf.FlumeConfiguration.&lt;init&gt;(FlumeConfiguration.java:108) at org.apache.flume.node.PropertiesFileConfigurationProvider.getFlumeConfiguration(PropertiesFileConfigurationProvider.java:193) at org.apache.flume.node.AbstractConfigurationProvider.getConfiguration(AbstractConfigurationProvider.java:94) at org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run(PollingPropertiesFileConfigurationProvider.java:140) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) 19 Mar 2016 03:54:49,971 WARN [conf-file-poller-0] (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.isValid:336) - Agent configuration for 'TwitterAgent' does not contain any valid channels. Marking it as invalid. 19 Mar 2016 03:54:49,971 WARN [conf-file-poller-0] (org.apache.flume.conf.FlumeConfiguration.validateConfiguration:127) - Agent configuration invalid for agent 'TwitterAgent'. It will be removed. 19 Mar 2016 03:54:49,971 INFO [conf-file-poller-0] (org.apache.flume.conf.FlumeConfiguration.validateConfiguration:140) - Post-validation flume configuration contains configuration for agents: [] 19 Mar 2016 03:54:49,972 WARN [conf-file-poller-0] (org.apache.flume.node.AbstractConfigurationProvider.getConfiguration:138) - No configuration found for this host:TwitterAgent 19 Mar 2016 03:54:49,981 INFO [conf-file-poller-0] (org.apache.flume.node.Application.startAllComponents:138) - Starting new configuration:{ sourceRunners:{} sinkRunners:{} channels:{} } 19 Mar 2016 03:54:50,177 INFO [conf-file-poller-0] (org.apache.hadoop.metrics2.sink.flume.FlumeTimelineMetricsSink.configure:76) - Context parameters { parameters:{node=masbidw2.usa.corp.ad:6188, type=org.apache.hadoop.metrics2.sink.flume.FlumeTimelineMetricsSink} } 19 Mar 2016 03:54:50,186 INFO [conf-file-poller-0] (org.apache.hadoop.metrics2.sink.flume.FlumeTimelineMetricsSink.start:59) - Starting Flume Metrics Sink</STRONG></P><P><A href="https://community.cloudera.com/legacyfs/online/attachments/2904-flume-conf.jpg">flume-conf.jpg</A><A href="https://community.cloudera.com/legacyfs/online/attachments/2905-flume-env.jpg">flume-env.jpg</A></P><P>Also download cloudera source jar file but not luck. Please help</P> Sat, 19 Mar 2016 15:03:57 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Flume-Twitter-Could-not-configure-channel-MemChannel/m-p/135481#M23292 pardeepgorla 2016-03-19T15:03:57Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Flume-Twitter-Could-not-configure-channel-MemChannel/m-p/135482#M23293 <P>I don't see type in your channel</P><PRE>a1.channels.c1.type = memory a1.channels.c1.capacity = 1000 a1.channels.c1.transactionCapacity = 100</PRE> Sat, 19 Mar 2016 18:16:06 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Flume-Twitter-Could-not-configure-channel-MemChannel/m-p/135482#M23293 aervits 2016-03-19T18:16:06Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Flume-Twitter-Could-not-configure-channel-MemChannel/m-p/135483#M23294 <P style="margin-left: 20px;"><A rel="user" href="https://community.cloudera.com/users/393/aervits.html" nodeid="393">@Artem Ervits</A> Thanks. It is working now.</P> Sat, 19 Mar 2016 19:55:20 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Flume-Twitter-Could-not-configure-channel-MemChannel/m-p/135483#M23294 pardeepgorla 2016-03-19T19:55:20Z