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Subject: flume-0.9.4: encounter "java.io.IOException: Unexpected exception
 in loadConfigs" when start flume master
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Hi All,
Please help to check why this happened. thank you.
--    I am using external zookeeper to run flume. During start flume master node, I got following error information in flumemaster.out. And we can find flume master has been started by pid files.
--    But when run "refreshAll" in flume shell, the command failed with "Could not increment version counter...".
--    When run flume without external zookeeper, flume can work normally. So I assume this is caused by zookeeper part.
       Here is the zookeeper configuration: node1 is hostname and node2/node3 is ip.
     <property>
    <name>flume.master.zk.servers</name>
    <value>node1:2181,node2:2181,node3:2181</value>
    </property>
    </configuration>

ERROR INFORMATION:
2012-05-09 01:09:39,418 [main] ERROR master.ConfigManager: ConfigStore init threw IOException
java.io.IOException: Unexpected exception in loadConfigs
        at com.cloudera.flume.master.ZooKeeperConfigStore.loadConfigs(ZooKeeperConfigStore.java:267)
        at com.cloudera.flume.master.ZooKeeperConfigStore$1.success(ZooKeeperConfigStore.java:138)
        at com.cloudera.flume.master.ZKClient$1.doTry(ZKClient.java:169)
        at com.cloudera.util.RetryHarness.attempt(RetryHarness.java:64)
        at com.cloudera.flume.master.ZKClient.init(ZKClient.java:178)
        at com.cloudera.flume.master.ZooKeeperConfigStore.connect(ZooKeeperConfigStore.java:145)
        at com.cloudera.flume.master.ZooKeeperConfigStore.init(ZooKeeperConfigStore.java:110)
        at com.cloudera.flume.master.ConfigManager.start(ConfigManager.java:375)
        at com.cloudera.flume.master.flows.FlowConfigManager.start(FlowConfigManager.java:291)
        at com.cloudera.flume.master.TranslatingConfigurationManager.start(TranslatingConfigurationManager.java:391)
        at com.cloudera.flume.master.FlumeMaster.serve(FlumeMaster.java:295)
        at com.cloudera.flume.master.FlumeMaster.main(FlumeMaster.java:556)
Caused by: java.io.IOException: Not a data file.
        at org.apache.avro.file.DataFileStream.initialize(DataFileStream.java:105)
        at org.apache.avro.file.DataFileStream.<init>(DataFileStream.java:84)
        at com.cloudera.flume.master.ZooKeeperConfigStore.deserializeConfigs(ZooKeeperConfigStore.java:190)
        at com.cloudera.flume.master.ZooKeeperConfigStore.loadConfigs(ZooKeeperConfigStore.java:265)
        ... 11 more


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<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial">Hi All,<br>Please help to check why this happened. thank you.<br>--&nbsp;&nbsp;&nbsp; I am using external zookeeper to run flume. During start flume master node, I got following error information in flumemaster.out. And we can find flume master has been started by pid files.<br>-- &nbsp;&nbsp; But when run "refreshAll" in flume shell, the command failed with "Could not increment version counter...".<br>--&nbsp;&nbsp;&nbsp; When run flume without external zookeeper, flume can work normally. So I assume this is caused by zookeeper part.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Here is the zookeeper configuration: node1 is hostname and node2/node3 is ip.<br>&nbsp;&nbsp;&nbsp;&nbsp; &lt;property&gt;<br>&nbsp;&nbsp;&nbsp; &lt;name&gt;flume.master.zk.servers&lt;/name&gt;<br>&nbsp;&nbsp;&nbsp; &lt;value&gt;node1:2181,node2:2181,node3:2181&lt;/value&gt;<br>&nbsp;&nbsp;&nbsp; &lt;/property&gt;<br>&nbsp;&nbsp;&nbsp; &lt
 ;/configuration&gt;<br><br>ERROR INFORMATION:<br>2012-05-09 01:09:39,418 [main] ERROR master.ConfigManager: ConfigStore init threw IOException<br>java.io.IOException: Unexpected exception in loadConfigs<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.ZooKeeperConfigStore.loadConfigs(ZooKeeperConfigStore.java:267)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.ZooKeeperConfigStore$1.success(ZooKeeperConfigStore.java:138)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.ZKClient$1.doTry(ZKClient.java:169)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.util.RetryHarness.attempt(RetryHarness.java:64)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.ZKClient.init(ZKClient.java:178)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.ZooKeeperConfigStore.connect(ZooKeeperConfigStore.java:145)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.c
 loudera.flume.master.ZooKeeperConfigStore.init(ZooKeeperConfigStore.java:110)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.ConfigManager.start(ConfigManager.java:375)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.flows.FlowConfigManager.start(FlowConfigManager.java:291)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.TranslatingConfigurationManager.start(TranslatingConfigurationManager.java:391)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.FlumeMaster.serve(FlumeMaster.java:295)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.FlumeMaster.main(FlumeMaster.java:556)<br>Caused by: java.io.IOException: Not a data file.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.avro.file.DataFileStream.initialize(DataFileStream.java:105)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at org.apache.avro.file.DataFileStream.&lt;init&gt;(DataFileStre
 am.java:84)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.ZooKeeperConfigStore.deserializeConfigs(ZooKeeperConfigStore.java:190)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; at com.cloudera.flume.master.ZooKeeperConfigStore.loadConfigs(ZooKeeperConfigStore.java:265)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ... 11 more<br><br></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>
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