On Mon, May 11, 2009 at 16:58, Alan R Williams <[email protected]> wrote:
> I think the cleanup may have been done in order for monitors of workflow
> runs to access information before the execution cleans it away.
That's all very well.. but I believe it was put in a bit quickly.
I've committed the static version which would only keep one timer - I
think that should be OK as each timer task is just about removing
state from a map or similar.
It seems to work - but I'm not sure what workflows to test with where
the execution previously cleaned away stuff too quickly.. David?
I also gave the other anonymous timers some names as it can be a bit
difficult to debug 'Timer-5'.. (I couldn't change some of them from
inside Batik, but..)
Another side note is that I get a lot of these when running a simple workflow:
Exception in thread "pool-3-thread-7" java.lang.NullPointerException
at
net.sf.taverna.t2.provenance.connector.DerbyProvenanceConnector$1.run(DerbyProvenanceConnector.java:292)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:613)
Not sure why this is..
(Side note: I believe Tom already did a more general version of this
for keeping layer states in the Platform code by providing support for
this in the abstract class - but I'm not sure if it does timed
removal)
--
Stian Soiland-Reyes, myGrid team
School of Computer Science
The University of Manchester
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