如果您得到類似於此的錯誤,雖然您的憑證在此環境中是正確的或者甚至已經工作過,但可能是由於HTTP代理配置錯誤(請參閱答案以下)Jaspersoft Studio:用戶名不能爲空(HTTP代理問題)
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)