com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: org.apache.http.conn.EofSensorInputStream@52fe1ee9; line: 1, column: 2]

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If you're using Java Chronicle it might be a Cleanup problem. Either add @ignore to the test or delete the memory map file and do it again.

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If you're using Facebook API, they now use OAuth2, so your URL should contain version number, like this:
facebook.authorizationURL="https://graph.facebook.com/v2.3/oauth/authorize"

Solutions on the web

via GitHub by symcssn
, 2 years ago
Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: org.apache.http.conn.EofSensorInputStream@52fe1ee9; line: 1, column: 2]
via GitHub by symcssn
, 1 year ago
Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: org.apache.http.conn.EofSensorInputStream@52fe1ee9; line: 1, column: 2]
via Sonatype JIRA by Joe Tom, 1 year ago
Unexpected character (',' (code 44)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: java.io.PipedInputStream@49f3bf15; line: 1, column: 2]
via GitHub by hamedgol
, 11 months ago
Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: buffer(com.android.okhttp.internal.http.HttpConnection$UnknownLengthSource@2777340).inputStream(); line: 1, column: 2]
via GitHub by gantzm
, 5 months ago
Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: org.apache.http.conn.EofSensorInputStream@22504d29; line: 1, column: 2]
via GitHub by Onelir13
, 1 year ago
Unexpected character ('#' (code 35)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: /Users/jcmasset/Desktop/Alex/PokemonGoBot-Alex/./bot-settings/caco.json; line: 1, column: 2]
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: org.apache.http.conn.EofSensorInputStream@52fe1ee9; line: 1, column: 2]
at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1419)
at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:508)
at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:437)
at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2363)
at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:794)
at com.fasterxml.jackson.databind.ObjectReader._initForReading(ObjectReader.java:1346)
at com.fasterxml.jackson.databind.ObjectReader._bindAndClose(ObjectReader.java:1252)
at org.openstack4j.connectors.httpclient.HttpResponseImpl.readEntity(HttpResponseImpl.java:130)
at org.openstack4j.core.transport.functions.ResponseToActionResponse.apply(ResponseToActionResponse.java:26)
at org.openstack4j.core.transport.functions.ResponseToActionResponse.apply(ResponseToActionResponse.java:21)
at org.openstack4j.openstack.compute.functions.ToActionResponseFunction.apply(ToActionResponseFunction.java:41)
at org.openstack4j.openstack.compute.functions.ToActionResponseFunction.apply(ToActionResponseFunction.java:25)
at com.symantec.os4j.POC.SimpleApp.main(SimpleApp.java:54)

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