Not work websearch

I’m using jabref in Linux Mint 17.3, jabref version 3.6, file jar.

web search does not work.I’m receiving a error:

11:04:58.371 [JabRef CachedThreadPool] WARN net.sf.jabref.logic.net.URLDownload - Could not copy input
java.io.IOException: Server returned HTTP response code: 503 for URL: https://ipv4.google.com/sorry/IndexRedirect?continue=https://scholar.google.com/scholar%3Fhl%3Den%26oe%3DASCII%26num%3D20%26as_sdt%3D2006&hl=en&q=CGMSBLFKN4EYie2UvwUiGQDxp4NLKU6M_Ve1Y9hrSp9UKlX5rOWvmS0
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1840) ~[?:1.8.0_101]
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441) ~[?:1.8.0_101]
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254) ~[?:1.8.0_101]
at net.sf.jabref.logic.net.URLDownload.downloadToString(URLDownload.java:123) ~[JabRef_3.6.jar:?]
at net.sf.jabref.gui.importer.fetcher.GoogleScholarFetcher.runConfig(GoogleScholarFetcher.java:166) ~[JabRef_3.6.jar:?]
at net.sf.jabref.gui.importer.fetcher.GoogleScholarFetcher.processQueryGetPreview(GoogleScholarFetcher.java:82) ~[JabRef_3.6.jar:?]
at net.sf.jabref.gui.importer.fetcher.GeneralFetcher.lambda$actionPerformed$4(GeneralFetcher.java:191) ~[JabRef_3.6.jar:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_101]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_101]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]
11:04:58.380 [JabRef CachedThreadPool] WARN net.sf.jabref.gui.importer.fetcher.GoogleScholarFetcher - Error fetching from Google Scholar
java.io.IOException: Server returned HTTP response code: 503 for URL: https://ipv4.google.com/sorry/IndexRedirect?continue=https://scholar.google.com/scholar%3Fhl%3Den%26oe%3DASCII%26num%3D20%26as_sdt%3D2006&hl=en&q=CGMSBLFKN4EYie2UvwUiGQDxp4NLKU6M_Ve1Y9hrSp9UKlX5rOWvmS0
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1840) ~[?:1.8.0_101]
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441) ~[?:1.8.0_101]
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254) ~[?:1.8.0_101]
at net.sf.jabref.logic.net.URLDownload.downloadToString(URLDownload.java:123) ~[JabRef_3.6.jar:?]
at net.sf.jabref.gui.importer.fetcher.GoogleScholarFetcher.runConfig(GoogleScholarFetcher.java:166) ~[JabRef_3.6.jar:?]
at net.sf.jabref.gui.importer.fetcher.GoogleScholarFetcher.processQueryGetPreview(GoogleScholarFetcher.java:82) ~[JabRef_3.6.jar:?]
at net.sf.jabref.gui.importer.fetcher.GeneralFetcher.lambda$actionPerformed$4(GeneralFetcher.java:191) ~[JabRef_3.6.jar:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_101]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_101]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]

Sorry for the late reply!

We had a problem with the Google Scholar (see also Google Scholar Fetch error) fetcher which should be solved in current development builds which are available here: https://builds.jabref.org/master