[error] Reading POS tagger model from...

[RobinCai1993]

I'm installing oqa for a project experiment and finally get to the last step...
But when run the command:
sbt 'run-main edu.knowitall.eval.qa.QASystemRunner questions.txt output'

An error occurs:
[info] Loading project definition from /Volumes/robin_mobile/oqa-master/oqa-core/project
[info] Set current project to oqa (in build file:/Volumes/robin_mobile/oqa-master/oqa-core/)
[info] Updating {file:/Volumes/robin_mobile/oqa-master/oqa-core/}oqa-core...
[info] Resolving edu.washington.cs.knowitall.nlptools#nlptools-postag-stanford_2[info] Resolving edu.washington.cs.knowitall.nlptools#nlptools-tokenize-stanford[info] Resolving edu.washington.cs.knowitall.nlptools#nlptools-core_2.10;2.4.5 .[info] Resolving edu.washington.cs.knowitall.common-scala#common-scala_2.10;1.1.[info] Resolving edu.washington.cs.knowitall.stanford-corenlp#stanford-postag-mo[info] Resolving edu.washington.cs.knowitall.nlptools#nlptools-tokenize-breeze_2[info] Resolving edu.washington.cs.knowitall.nlptools#nlptools-stem-morpha_2.10;[info] Resolving edu.washington.cs.knowitall.nlptools#nlptools-tokenize-clear_2.[info] Resolving edu.washington.cs.knowitall.nlptools#nlptools-chunk-opennlp_2.1[info] Resolving edu.washington.cs.knowitall.nlptools#nlptools-postag-opennlp_2.[info] Resolving edu.washington.cs.knowitall.nlptools#nlptools-tokenize-opennlp_[info] Resolving org.fusesource.jansi#jansi;1.4 ...
[info] Done updating.
[info] Running edu.knowitall.eval.qa.QASystemRunner questions.txt output
[info] 2016-10-18 12:25:42 INFO QASystemRunner:23 - Running QA System on 'questions.txt'
[info] 2016-10-18 12:25:42 INFO QASystemRunner:24 - 'questions.txt' contains 1 questions
[info] 2016-10-18 12:25:42 INFO QASystemRunner:32 - Question 1 of 1
[error] Reading POS tagger model from edu/stanford/nlp/models/pos-tagger/english-left3words/english-left3words-distsim.tagger ... done [1.8 sec].
[info] 2016-10-18 12:25:45 INFO HttpClientUtil:103 - Creating new http client, config:maxConnections=128&maxConnectionsPerHost=32&followRedirects=false
[info] 2016-10-18 12:25:45 INFO HttpClientUtil:103 - Creating new http client, config:maxConnections=128&maxConnectionsPerHost=32&followRedirects=false
[info] 2016-10-18 12:25:45 INFO HttpClientUtil:103 - Creating new http client, config:maxConnections=128&maxConnectionsPerHost=32&followRedirects=false
[info] 2016-10-18 12:25:45 INFO HttpClientUtil:103 - Creating new http client, config:maxConnections=128&maxConnectionsPerHost=32&followRedirects=false
[info] 2016-10-18 12:25:48 WARN TemplateTransition:30 - Could not get paraphrases: $y ?, got org.apache.solr.client.solrj.SolrServerException: Timeout occured while waiting response from server at: http://localhost:8985/solr/paraphrase

Could you give me some suggestions to solve this problem?
Thank you very much!