Hi All,
I have a lift app, where one of the functions performs sub-computations
(including network operations) in parallel via future(s) & Futures.awaitAll.
It runs fine on the first request, but subsequent requests throws a
IllegalStateException:
Exception in thread "Thread-30" java.lang.IllegalStateException: Timer
already cancelled.
at java.util.Timer.sched(Timer.java:376)
at java.util.Timer.schedule(Timer.java:192)
at scala.actors.Futures$.awaitAll(Future.scala:76)
at MyWorker.run(MyWorker.scala:20)
at java.lang.Thread.run(Thread.java:636)
I dug up more documentation and it looks like this exception indicates an
attempt to schedule a task on a timer that has already been cancelled
(associated daemon thread terminated?). Any idea why, or if I'm doing
something wrong?
In case it matters, I'm running Scala code runner version 2.7.7.final,
Liftweb 1.0, Jetty 6.1.22.
Any tips/pointers would be appreciated. Thanks!
Yu-Shan
--
“When nothing seems to help, I go look at a stonecutter hammering away at
his rock perhaps a hundred times without as much as a crack showing in it.
Yet at the hundred and first blow it will split in two, and I know it was
not that blow that did it, but all that had gone before.” — Jacob Riis
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