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https://issues.apache.org/jira/browse/JOSHUA-267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15293684#comment-15293684
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Lewis John McGibbney commented on JOSHUA-267:
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[~bugg_tb] I don't think this is resolved right?
> Java seems to swallow C exceptions
> ----------------------------------
>
> Key: JOSHUA-267
> URL: https://issues.apache.org/jira/browse/JOSHUA-267
> Project: Joshua
> Issue Type: Bug
> Reporter: Tom Barber
> Priority: Minor
>
> I compiled joshua on Ubuntu and copied it to another box of the same type,
> but missing various C bits that were required at build time, but Joshua
> doesn't run and tells me:
> Input 0: <s> berkeley works fine , but the pipeline fails in next steps </s>
> Input 0: Collecting options took 0.000 seconds
> Input 0: 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$TreeNode.treeify(HashMap.java:1920)
> at java.util.HashMap.treeifyBin(HashMap.java:771)
> at java.util.HashMap.putVal(HashMap.java:643)
> at java.util.HashMap.put(HashMap.java:611)
> at java.util.HashSet.add(HashSet.java:219)
> at joshua.decoder.phrase.Stack.addCandidate(Stack.java:125)
> at joshua.decoder.phrase.Stacks.search(Stacks.java:166)
> at joshua.decoder.DecoderThread.translate(DecoderThread.java:113)
> at joshua.decoder.Decoder$DecoderThreadRunner.run(Decoder.java:218)
> Looking at the code its where it passes off to a decoder, which if it doesn't
> appear, must surely throw some error that we don't see?
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