There is a problem in your consumer readLines() method.
It returns immediately if input is not ready:
if (!rdr.ready()) {
return Collections.emptyList();
}
The producer and consumer run concurrently, and thus the consumer will start
before the producer has generated any output.
If you comment out the above lines, then your readLines() method will block in
the read loop until input is available:
while (true) {
String line = rdr.readLine();
—
Derek
On 3 Nov 2014, at 13:31, Jan Winter <[email protected]> wrote:
> Hello gogo.runtime experts,
>
> I have a syncronisation problem in gogo-runtime(0.10.0).
>
> I have 2 gogo commands 'producer' and 'consumer' (@see attached
> Gogo_syncProblem.java
> <http://apache-felix.18485.x6.nabble.com/file/n5010375/Gogo_syncProblem.java>
>
> ).
>
> 1) 'producer( optionalSecToWait )' produce 3 lines (line 1, line 2, line 3)
> 2) 'consumer()' consume any line from System.in and print this out to
> System.out
>
> Random observation by 'producer | consumer'
> - sometimes 3 lines are printed
> - sometimes NOT
>
> *FIX:* Closure.public synchronized Object executeStatement(...)
> - Than 3 lines printed always.
>
>
>
>
> --
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