CoreException when validating wrong credentials (Unknown response code: 503) ---------------------------------------------------------------------------- Key: JBIDE-21518 URL: https://issues.jboss.org/browse/JBIDE-21518 Project: Tools (JBoss Tools) Issue Type: Bug Components: common/jst/core, runtime-detection Affects Versions: 4.3.1.Beta2 Environment: JBDS 9.1.0.Beta2-v20160121-0657-B250 Reporter: Radim Hopp Assignee: Rob Stryker Fix For: 4.3.1.CR1, 4.4.0.Alpha1 Validating wrong credentials in DownloadRuntime wizard throws "An error occurred while validating your credentials. org.eclipse.core.runtime.CoreException - Unknown response code: 503" {noformat:title=ErrorLog} org.eclipse.core.runtime.CoreException: Unknown response code: 503 at org.jboss.tools.runtime.ui.internal.wizard.workflow.DownloadManagerWorkflowUtility.getWorkflowStatus(DownloadManagerWorkflowUtility.java:58) at org.jboss.tools.runtime.ui.internal.wizard.workflow.DownloadManagerCredentialsFragment.validateCredentials(DownloadManagerCredentialsFragment.java:205) at org.jboss.tools.runtime.ui.internal.wizard.workflow.DownloadManagerCredentialsFragment.access$1(DownloadManagerCredentialsFragment.java:203) at org.jboss.tools.runtime.ui.internal.wizard.workflow.DownloadManagerCredentialsFragment$3.run(DownloadManagerCredentialsFragment.java:168) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119) {noformat} My blind guess is that it's relevant to https://issues.jboss.org/browse/JBIDE-21514, because I think, that correct message was displayed yesterday when one used wrong credentials.