org.apache.commons.httpclient.auth.InvalidCredentialsException: Credentials cannot be used for NTLM authentication: org.apache.commons.httpclient.UsernamePasswordCredentials
   at org.apache.commons.httpclient.auth.NTLMScheme.authenticate(NTLMScheme.java:332)
   at org.apache.commons.httpclient.HttpMethodDirector.authenticateProxy(HttpMethodDirector.java:320)
   at org.apache.commons.httpclient.HttpMethodDirector.executeConnect(HttpMethodDirector.java:491)
   at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:391)
   at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
   at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
   at org.eclipse.mylyn.commons.net.WebUtil$2.execute(WebUtil.java:332)
   at org.eclipse.mylyn.commons.net.WebUtil$2.execute(WebUtil.java:1)
   at org.eclipse.mylyn.internal.commons.net.MonitoredRequest.call(MonitoredRequest.java:51)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
   at java.util.concurrent.FutureTask.run(FutureTask.java:166)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
   at java.lang.Thread.run(Thread.java:722)