[大数据]Flume source自定义使用遇到的问题flume无法加载主类Unable to load source type

记录：Flume source自定义使用遇到的问题flume无法加载主类Unable to load source type，Caused by: java.lang.ClassNotFoundException: com.zxd.testflume.flumetest

[ERROR-org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run(PollingPropertiesFileConfigurationProvider.java:143)] Failed to load configuration data. Exception follows.
org.apache.flume.FlumeException: Unable to load source type: com.zxd.testflume.flumetest, class: com.zxd.testflume.flumetest
        at org.apache.flume.source.DefaultSourceFactory.getClass(DefaultSourceFactory.java:68)
        at org.apache.flume.source.DefaultSourceFactory.create(DefaultSourceFactory.java:42)
        at org.apache.flume.node.AbstractConfigurationProvider.loadSources(AbstractConfigurationProvider.java:322)
        at org.apache.flume.node.AbstractConfigurationProvider.getConfiguration(AbstractConfigurationProvider.java:101)
        at org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run(PollingPropertiesFileConfigurationProvider.java:141)
        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:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: com.zxd.testflume.flumetest
        at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:264)
        at org.apache.flume.source.DefaultSourceFactory.getClass(DefaultSourceFactory.java:66)
        ... 11 more

已解决：不能用maven直接package去打包，因为package打包是将整个工程进行了打包，而flume无法识别整个工程，所以我们只需要将编写代码的类单独打包，然后将打好的jar包放进flume/lib目录下，再去开启flume即可。单独的类打包网上有很多教程这里就不做赘述了。