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java.lang.NoSuchFieldError: DEF_PROTOCOL_CHARSET	at org.apache.http.auth.params.AuthParams.getCredentialCharset(AuthParams.java:64)	at org.apache.http.impl.auth.BasicScheme.authenticate(BasicScheme.java:157)	at org.apache.http.client.protocol.RequestAuthenticationBase.authenticate(RequestAuthenticationBase.java:125)	at org.apache.http.client.protocol.RequestAuthenticationBase.process(RequestAuthenticationBase.java:83)	at org.apache.http.client.protocol.RequestProxyAuthentication.process(RequestProxyAuthentication.java:89)	at org.apache.http.protocol.ImmutableHttpProcessor.process(ImmutableHttpProcessor.java:108)	at org.apache.http.protocol.HttpRequestExecutor.preProcess(HttpRequestExecutor.java:174)	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:515)	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784)	at edu.uci.ics.crawler4j.fetcher.PageFetcher.fetchHeader(PageFetcher.java:156)	at edu.uci.ics.crawler4j.crawler.WebCrawler.processPage(WebCrawler.java:232)	at edu.uci.ics.crawler4j.crawler.WebCrawler.run(WebCrawler.java:189)	at java.lang.Thread.run(Thread.java:662)