如果您得到类似于此的错误,虽然您的凭证在此环境中是正确的或者甚至已经工作过,但可能是由于HTTP代理配置错误(请参阅答案以下)Jaspersoft Studio:用户名不能为空(HTTP代理问题)
java.lang.IllegalArgumentException: Username may not be null
at org.apache.http.util.Args.notNull(Args.java:48)
at org.apache.http.auth.UsernamePasswordCredentials.<init>(UsernamePasswordCredentials.java:78)
at com.jaspersoft.studio.server.utils.HttpUtils.getCredentials(HttpUtils.java:107)
at com.jaspersoft.studio.server.utils.HttpUtils.setupProxy(HttpUtils.java:45)
at com.jaspersoft.studio.server.protocol.restv2.RestV2ConnectionJersey.connect(RestV2ConnectionJersey.java:91)
at com.jaspersoft.studio.server.protocol.ProxyConnection.connect(ProxyConnection.java:61)
at com.jaspersoft.studio.server.WSClientHelper.checkConnection(WSClientHelper.java:85)
at com.jaspersoft.studio.server.wizard.ServerProfileWizard.connect(ServerProfileWizard.java:101)
at com.jaspersoft.studio.server.wizard.ServerProfileWizard.access$1(ServerProfileWizard.java:97)
at com.jaspersoft.studio.server.wizard.ServerProfileWizard$2.run(ServerProfileWizard.java:78)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)