将OpenGrok与LDAP集成后，更新代码时，在reindex上报告以下错误。我该如何解决这个问题。
2018-09-10 08:35:37.789+0800 FINEST t1 HttpURLConnection$1.run: Requesting Authentication: host =127.0.0.1 url = http://127.0.0.1:8080/source/api/v1/configuration?reindex=true
2018-09-10 08:35:37.789+0800 FINEST t1 HttpURLConnection$1.run: Authentication returned: null
2018-09-10 08:35:37.789+0800 FINER t1 HttpURLConnection.getServerAuthentication: Server Authentication for AuthenticationHeader: prefer Basic realm="Authentication required" returned null
2018-09-10 08:35:37.789+0800 SEVERE t1 Indexer.sendToConfigHost: Failed to send configuration to http://127.0.0.1:8080/source (is web application server running with opengrok deployed?)
java.io.IOException: InboundJaxrsResponse{context=ClientResponse{method=PUT, uri=http://127.0.0.1:8080/source/api/v1/configuration?reindex=true, status=401, reason=Unauthorized}}
at org.opensolaris.opengrok.configuration.RuntimeEnvironment.writeConfiguration(RuntimeEnvironment.java:1395)
at org.opensolaris.opengrok.index.Indexer.sendToConfigHost(Indexer.java:1124)
at org.opensolaris.opengrok.index.Indexer.main(Indexer.java:311)