[
https://issues.apache.org/jira/browse/FLUME-1677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13512054#comment-13512054
]
Roshan Naik commented on FLUME-1677:
------------------------------------
I captured this stack trace by introducing a try/catch inside
PropertiesFileConfigurationProvider.loadChannels()
This exception normally gets swallowed.
{code}
org.apache.flume.FlumeException: Unable to load channel type:
org.apache.flume.channel.file.FileChannel, class:
org.apache.flume.channel.file.FileChannel
at
org.apache.flume.channel.DefaultChannelFactory.create(DefaultChannelFactory.java:87)
at
org.apache.flume.conf.properties.PropertiesFileConfigurationProvider.loadChannels(PropertiesFileConfigurationProvider.java:269)
at
org.apache.flume.conf.properties.PropertiesFileConfigurationProvider.load(PropertiesFileConfigurationProvider.java:221)
at
org.apache.flume.conf.file.AbstractFileConfigurationProvider.doLoad(AbstractFileConfigurationProvider.java:123)
at
org.apache.flume.conf.file.AbstractFileConfigurationProvider.access$300(AbstractFileConfigurationProvider.java:38)
at
org.apache.flume.conf.file.AbstractFileConfigurationProvider$FileWatcherRunnable.run(AbstractFileConfigurationProvider.java:202)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ClassNotFoundException:
org.apache.flume.channel.file.FileChannel
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at
org.apache.flume.channel.DefaultChannelFactory.create(DefaultChannelFactory.java:85)
... 14 more
{code}
> Add File-channel dependency to flume-ng-node's pom.xml
> ------------------------------------------------------
>
> Key: FLUME-1677
> URL: https://issues.apache.org/jira/browse/FLUME-1677
> Project: Flume
> Issue Type: Improvement
> Components: Build
> Affects Versions: v1.2.0
> Reporter: Roshan Naik
> Assignee: Roshan Naik
> Priority: Minor
> Fix For: v1.4.0
>
> Attachments: FLUME-1677.patch
>
>
> flume-ng-node/pom.xml is missing dependency on file channel. Leads to class
> not found 'org.apache.flume.channel.file.FileChannel' exception when
> running/debugging Flume within IDEs (if file channel is being used).
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