[ 
https://issues.apache.org/jira/browse/FLUME-1591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Brock Noland updated FLUME-1591:
--------------------------------

    Description: 

{noformat}

java.lang.NullPointerException
        at 
org.apache.flume.channel.MultiplexingChannelSelector.getChannelListFromNames(MultiplexingChannelSelector.java:124)
        at 
org.apache.flume.channel.MultiplexingChannelSelector.configure(MultiplexingChannelSelector.java:86)
        at org.apache.flume.conf.Configurables.configure(Configurables.java:41)
        at 
org.apache.flume.channel.ChannelSelectorFactory.create(ChannelSelectorFactory.java:51)
        at 
org.apache.flume.conf.properties.PropertiesFileConfigurationProvider.loadSources(PropertiesFileConfigurationProvider.java:333)
        at 
org.apache.flume.conf.properties.PropertiesFileConfigurationProvider.load(PropertiesFileConfigurationProvider.java:222)
        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$RunnableAdapter.call(Executors.java:441)
        at 
java.util.concurrent.FutureTask$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:662)

{noformat}

  was:


{noformat}

java.lang.NullPointerException
        at 
org.apache.flume.channel.MultiplexingChannelSelector.getChannelListFromNames(MultiplexingChannelSelector.java:124)
        at 
org.apache.flume.channel.MultiplexingChannelSelector.configure(MultiplexingChannelSelector.java:86)
        at org.apache.flume.conf.Configurables.configure(Configurables.java:41)
        at 
org.apache.flume.channel.ChannelSelectorFactory.create(ChannelSelectorFactory.java:51)
        at 
org.apache.flume.conf.properties.PropertiesFileConfigurationProvider.loadSources(PropertiesFileConfigurationProvider.java:333)
        at 
org.apache.flume.conf.properties.PropertiesFileConfigurationProvider.load(PropertiesFileConfigurationProvider.java:222)
        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$RunnableAdapter.call(Executors.java:441)
        at 
java.util.concurrent.FutureTask$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:662)

{noformat}

        Summary: MultiplexingChannelSelector throws NPE if default channel is 
null  (was: MultiplexingChannelSelector throws NPE if default channel is nuull)
    
> MultiplexingChannelSelector throws NPE if default channel is null
> -----------------------------------------------------------------
>
>                 Key: FLUME-1591
>                 URL: https://issues.apache.org/jira/browse/FLUME-1591
>             Project: Flume
>          Issue Type: Bug
>          Components: Channel
>    Affects Versions: v1.3.0
>            Reporter: Brock Noland
>            Priority: Minor
>
> {noformat}
> java.lang.NullPointerException
>         at 
> org.apache.flume.channel.MultiplexingChannelSelector.getChannelListFromNames(MultiplexingChannelSelector.java:124)
>         at 
> org.apache.flume.channel.MultiplexingChannelSelector.configure(MultiplexingChannelSelector.java:86)
>         at 
> org.apache.flume.conf.Configurables.configure(Configurables.java:41)
>         at 
> org.apache.flume.channel.ChannelSelectorFactory.create(ChannelSelectorFactory.java:51)
>         at 
> org.apache.flume.conf.properties.PropertiesFileConfigurationProvider.loadSources(PropertiesFileConfigurationProvider.java:333)
>         at 
> org.apache.flume.conf.properties.PropertiesFileConfigurationProvider.load(PropertiesFileConfigurationProvider.java:222)
>         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$RunnableAdapter.call(Executors.java:441)
>         at 
> java.util.concurrent.FutureTask$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:662)
> {noformat}

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