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    Expert tip

    This bug happens from SDK 8 b117 to SDK 8 b122, try updating to 122 or further to fix it.

Solutions on the web

via Coderanch by Susan Smith, 1 year ago
Illegal character(s) in message header value: Basic dH JhZmZpY2Nhc3Q6Z3YxS0xCOEtxVHJhQTRnWDMxelRzVmlCNE9Kc0hsaXhNMDNteHQ5ZTZKQm40 WmI4MHNXZ0FKdHFpcFBqUWlu
via pentaho.com by Unknown author, 2 years ago
Illegal character(s) in message header value: Basic YXBpLnN0b25lZ2F0ZUBzdG9uZWdhdGU6empZVUlvNG9KSHhlRVh2VXVzcWxhbVVvUWZNSEZVTXNI UGdF
via Google Groups by Nick Stolwijk, 2 years ago
Illegal character(s) in message header value: Basic b250d2lra2Vsc3RyYWF0OntJRnpHeDFldkJoTUg1enVxaHJKUXRwQSs3eHZzUXRxRTJLSEUvamwr V1k4PX0=
via Google Groups by Jeffrey Johnson, 2 months ago
Illegal character(s) in message header value: Basic xxxxxxxxxxxxxxxxx
via Stack Overflow by Unknown author, 2 years ago
Illegal character(s) in message header value: Basic aHVuZ2FtYS5jb206aHVuZ2FtYS5jb20=
via Stack Overflow by kazanuser
, 2 years ago
Illegal character(s) in message header value: GoogleLogin auth=DQ ..... UT
java.lang.IllegalArgumentException: Illegal character(s) in message header value: Basic dH
JhZmZpY2Nhc3Q6Z3YxS0xCOEtxVHJhQTRnWDMxelRzVmlCNE9Kc0hsaXhNMDNteHQ5ZTZKQm40
WmI4MHNXZ0FKdHFpcFBqUWlu	at sun.net.www.protocol.http.HttpURLConnection.checkMessageHeader(HttpURLConnection.java:301)	at sun.net.www.protocol.http.HttpURLConnection.setAuthenticationProperty(HttpURLConnection.java:1962)	at sun.net.www.protocol.http.BasicAuthentication.setHeaders(BasicAuthentication.java:143)	at sun.net.www.protocol.http.HttpURLConnection.getServerAuthentication(HttpURLConnection.java:1574)	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1014)	at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234)