Hmm that shouldn't cause an NPE. Could you find a JIRA for this?
On Mon, May 13, 2013 at 10:11 AM, Jay Vyas <jayunit...@gmail.com> wrote: > Ahhh I had no batchSize parameter. So the fix was to add batchSize = 1 to > my file and now its working. Anyone wants more details just ping me > > > On Sun, May 12, 2013 at 7:13 PM, Jay Vyas <jayunit...@gmail.com> wrote: > >> Hi ! Thanks --- Here's my config >> >> a1.sources = r1 >> a1.sinks = myFileSystem >> a1.channels = c1 >> >> # Describe/configure the source >> a1.sources.r1.type = exec >> a1.sources.r1.command = tail -F /root/xyz/flumeinput.tmp >> a1.sources.r1.channels = c1 >> a1.sources = r1 >> a1.channels = c1 >> a1.sinks = k1 >> a1.sinks.k1.type = file_roll >> a1.sinks.k1.channel = c1 >> a1.sinks.k1.sink.directory = /mnt/xyz/flume >> >> #Do we need this? >> agent1.sinks.sink1.hdfs.filePrefix = LogCreateTest >> >> # Use a channel which buffers events in memory >> a1.channels.c1.type = file >> #a1.channels.c1.capacity = 100 >> #a1.channels.c1.transactionCapacity = 10 >> >> # Bind the source and sink to the channel >> a1.sources.r1.channels = c1 >> a1.sinks.myFileSystem.channel = c1 >> >> >> >> On Sun, May 12, 2013 at 8:57 AM, Alexander Alten-Lorenz < >> wget.n...@gmail.com> wrote: >> >>> Hi, >>> >>> Could you attach the config too? >>> >>> - Alex >>> >>> On May 11, 2013, at 11:52 PM, Jay Vyas <jayunit...@gmail.com> wrote: >>> >>> > Hi flume : >>> > >>> > I've setup a file to file source/sink , just as a test. Im using the >>> exec source, with tail -F to follow a simple tmp file that is being catted >>> to. >>> > >>> > However, I've started seeing the following exception in the flume logs: >>> > >>> > java.lang. >>> > IllegalStateException: Channel closed [channel=c1]. Due to >>> java.lang.NullPointerException: null >>> > at >>> org.apache.flume.channel.file.FileChannel.createTransaction(FileChannel.java:353) >>> > at >>> org.apache.flume.channel.BasicChannelSemantics.getTransaction(BasicChannelSemantics.java:122) >>> > at >>> org.apache.flume.sink.RollingFileSink.process(RollingFileSink.java:183) >>> > at >>> org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68) >>> > at >>> org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147) >>> > at java.lang.Thread.run(Thread.java:662) >>> > Caused by: java.lang.NullPointerException >>> > at org.apache.flume.channel.file.Log.writeCheckpoint(Log.java:895) >>> > at org.apache.flume.channel.file.Log.replay(Log.java:406) >>> > at >>> org.apache.flume.channel.file.FileChannel.start(FileChannel.java:303) >>> > at >>> org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:236) >>> > 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:895) >>> > at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) >>> > ... 1 more >>> > >>> > Any thoughts on where this NullPointerException is coming from? It >>> appears from scanning the code that maybe it related to a missing folder or >>> directory. But I cant find the exact line on the git hub branches. >>> > >>> > This is using apache-flume-1.3.1.23-... >>> > >>> > >>> > -- >>> > Jay Vyas >>> > http://jayunit100.blogspot.com >>> >>> -- >>> Alexander Alten-Lorenz >>> http://mapredit.blogspot.com >>> German Hadoop LinkedIn Group: http://goo.gl/N8pCF >>> >>> >> >> >> -- >> Jay Vyas >> http://jayunit100.blogspot.com >> > > > > -- > Jay Vyas > http://jayunit100.blogspot.com > -- Apache MRUnit - Unit testing MapReduce - http://mrunit.apache.org