[
https://issues.apache.org/jira/browse/JOSHUA-268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15471398#comment-15471398
]
Matt Post commented on JOSHUA-268:
--
Update: I have removed the (deprecated) --optimizer-runs flags from the example
runs. I suspect that this issue will be gone with the changes that have taken
place on the phrase-based decoder, but am testing now and will know soon.
Do you have any updates on your end?
> Phrase-based model error (NullPointerException)
> ---
>
> Key: JOSHUA-268
> URL: https://issues.apache.org/jira/browse/JOSHUA-268
> Project: Joshua
> Issue Type: Bug
> Components: decoders
>Affects Versions: 6.0.5
> Environment: fedora 23
>Reporter: Kyle Richardson
>Assignee: Matt Post
>Priority: Minor
> Fix For: 6.1
>
>
> I'm trying to run the phrase.sh example script (the only modification I made
> was to take out the --optimizer-runs option, because the system says that
> this is an "Unknown option").
> The error comes at the tuning stage (specifically, it fails at some point in
> the tuning then complains that it cannot find the "joshua.config.final"
> file).
> Looking into the log file (tune/joshua.log), it seems to translate and tune a
> number of sentences, then it raises the following NullPointerException:
> Memory used after sentence 7 is 42.5 MB
> Translation 7: -30.617 good how is fine
> Input 2: Collecting options took 0.000 seconds
> Input 8: Collecting options took 0.000 seconds
> Input 2: FATAL UNCAUGHT EXCEPTION: null
> java.lang.NullPointerException
> at joshua.decoder.phrase.Candidate.score(Candidate.java:214)
> at joshua.decoder.phrase.Candidate.compareTo(Candidate.java:136)
> at joshua.decoder.phrase.Candidate.compareTo(Candidate.java:19)
> at java.util.HashMap.compareComparables(HashMap.java:371)
> at java.util.HashMap$TreeNode.treeify(HashMap.java:1920)
> at java.util.HashMap.treeifyBin(HashMap.java:771)
> at java.util.HashMap.putVal(HashMap.java:643)
> at java.util.HashMap.put(HashMap.java:611)
> at java.util.HashSet.add(HashSet.java:219)
> at joshua.decoder.phrase.Stack.addCandidate(Stack.java:125)
> at joshua.decoder.phrase.Stacks.search(Stacks.java:166)
> at joshua.decoder.DecoderThread.translate(DecoderThread.java:113)
> atjoshua.decoder.Decoder$DecoderThreadRunner.run(Decoder.java:218)
> There's nothing informative in the tune/mert.log, it just says that it exited
> prematurely. The other processes seem to work as expected (although in the
> giza.log, there are a number of "Sentence mismatch error! Line " warnings).
> I'm running this on Fedora 23 with Moses. I had no problems training the
> hiero model.
> note---
> There appears to be an open ticket for more or less the same problem
> (JOSHUA-267), the difference however is that in that in this ticket, it
> appears that the tuner fails on the first input, whereas here, it already
> decodes/tunes several inputs before failing (see above).
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
