We've upgraded from confluence 6.6 to 6.15.1
Issue
We're using following code to run REST API calls within a java app
String cred = java.util.Base64.getEncoder().encodeToString(("usr:passwd").getBytes());
HttpGet httpget = new HttpGet(restApiQuery);
httpget.addHeader("Authorization: Basic ", cred);
httpclient.execute(httpget); This used to work in 6.6, however this is throwing an error in 6.15.1
<!doctype html><html lang="en"><head><title>HTTP Status 500 \u2013 Internal Server Error</title><style type="text/css">h1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} h2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} h3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} body {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} b {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} p {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;} a {color:black;} a.name {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 500 \u2013 Internal Server Error</h1><hr class="line" /><p><b>Type</b> Exception Report</p><p><b>Message</b> Illegal base64 character 3a</p><p><b>Description</b> The server encountered an unexpected condition that prevented it from fulfilling the request.</p><p><b>Exception</b></p><pre>java.lang.IllegalArgumentException: Illegal base64 character 3a
java.util.Base64$Decoder.decode0(Base64.java:714)
java.util.Base64$Decoder.decode(Base64.java:526)
java.util.Base64$Decoder.decode(Base64.java:549)
com.atlassian.seraph.util.SecurityUtils.decodeBasicAuthorizationCredentials(SecurityUtils.java:49)
com.atlassian.seraph.auth.DefaultAuthenticator.getUserFromBasicAuthentication(DefaultAuthenticator.java:510)
com.atlassian.crowd.integration.seraph.CrowdAuthenticator.checkAuthenticated(CrowdAuthenticator.java:296)
com.atlassian.crowd.integration.seraph.CrowdAuthenticator.getUser(CrowdAuthenticator.java:397)
com.atlassian.confluence.user.ConfluenceCrowdSSOAuthenticator.lambda$getUser$3(ConfluenceCrowdSSOAuthenticator.java:102)
....I've notice that the encoding includes character = which apparently is for padding (for the sake of testing I also encoded user:passwd with withoutPadding, with no effect
Question
How to fix this?
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