I've with both the default as well as custom named flows:
this doesn't happen all the time, but it does happen frequently.
I'm trying to figure out a pattern to this: has anyone encountered this before?

This is in flume-0.9.4 and doesn't occur in 0.9.2, so I wonder if it has something to do
with https://issues.apache.org/jira/browse/FLUME-626

Bharath Ravi

On 21 March 2012 03:46, alo alt <wget.null@googlemail.com> wrote:

they are in the default-flow or did you define a other one?

- Alex

Alexander Lorenz

On Mar 21, 2012, at 12:30 AM, Bharath Ravi wrote:

> Hi all,
> I have a logical node, that uses an 'autoCollectorSource'. I configure this node before mapping it to an actual physical node.
> However, configuring it causes this to happen:
> 012-03-20 19:25:24,927 ERROR com.cloudera.flume.core.connector.DirectDriver: Closing down due to exception on open calls
> 2012-03-20 19:25:24,927 INFO com.cloudera.flume.core.connector.DirectDriver: Connector logicalNode hadoop-collector-21 exited with error: Attempting to open a Stub Source!
> What causes this error? Even if it is a stub source, shouldn't it wait until it receives an actual source instead of exiting?
> After all, a logical node is especially meant for cases where configuring it can be done before mapping it on to a node!
> What am I messing up? Is there a specific order in which unmap/config/map must be done for a logical node?
> Thanks!
> --
> Bharath Ravi