我使用Cloudant DB作为服务开发了一个Java Web应用程序。
它在本地工作正常，响应延迟可能是因为Cloudant作为数据库服务。所以我推动＆amp;将我的Web应用程序部署到Bluemix中以加快速度。
已成功部署应用程序。它会正确显示欢迎页面。但是当访问需要与Cloudant DB进行数据库连接的页面来获取数据时显示页面我收到以下错误：
500 Error:Failed to establish a backside connection.
这是一个Bluemix问题吗？如何解决这个问题？
以下是供您参考的日志
2016-01-25T16:40:42.143+0530
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sentimentanalysisprj.mybluemix.net - [25/01/2016:11:10:42 +0000] "GET / HTTP/1.1" 200 0 34438 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0" 108.168.250.155:21535 x_forwarded_for:"49.248.202.187" x_forwarded_proto:"http" vcap_request_id:dca9c24b-6435-4976-6c5d-c11835202c49 response_time:0.013027513 app_id:e01bccb3-3efa-4202-bce7-a17da49d54fd x_global_transaction_id:"943965375"
2016-01-25T16:40:43.262+0530
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sentimentanalysisprj.mybluemix.net - [25/01/2016:11:10:43 +0000] "GET /images/top1.jpg HTTP/1.1" 200 0 29721 "http://sentimentanalysisprj.mybluemix.net/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0" 108.168.250.156:60152 x_forwarded_for:"49.248.202.187" x_forwarded_proto:"http" vcap_request_id:ded26179-0ee3-4b14-6294-403170253efc response_time:0.010754905 app_id:e01bccb3-3efa-4202-bce7-a17da49d54fd x_global_transaction_id:"3113190919"
2016-01-25T16:40:43.264+0530
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sentimentanalysisprj.mybluemix.net - [25/01/2016:11:10:43 +0000] "GET /images/Top3.jpg HTTP/1.1" 200 0 35671 "http://sentimentanalysisprj.mybluemix.net/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0" 108.168.250.153:32835 x_forwarded_for:"49.248.202.187" x_forwarded_proto:"http" vcap_request_id:5fb2e2a0-54f8-4563-6002-30eb02285e9e response_time:0.005390614 app_id:e01bccb3-3efa-4202-bce7-a17da49d54fd x_global_transaction_id:"4246986239"
2016-01-25T16:40:44.608+0530
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[WARNING ] SRVE0190E: File not found: /favicon.ico
2016-01-25T16:40:44.883+0530
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[WARNING ] SRVE0190E: File not found: /favicon.ico
2016-01-25T16:40:49.866+0530
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sentimentanalysisprj.mybluemix.net - [25/01/2016:11:10:49 +0000] "POST /login.do HTTP/1.1" 200 41 1794 "http://sentimentanalysisprj.mybluemix.net/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0" 108.168.250.153:33903 x_forwarded_for:"49.248.202.187" x_forwarded_proto:"http" vcap_request_id:fd67554f-0dcd-4dc6-7411-593e6164c815 response_time:0.006416079 app_id:e01bccb3-3efa-4202-bce7-a17da49d54fd x_global_transaction_id:"1699061361"