{"action":"created","issue":{"url":"https://api.github.com/repos/UnifiedViews/Core/issues/353","labels_url":"https://api.github.com/repos/UnifiedViews/Core/issues/353/labels{/name}","comments_url":"https://api.github.com/repos/UnifiedViews/Core/issues/353/comments","events_url":"https://api.github.com/repos/UnifiedViews/Core/issues/353/events","html_url":"https://github.com/UnifiedViews/Core/issues/353","id":66791848,"number":353,"title":"Frontend does not respond","user":{"login":"skodape","id":3341693,"avatar_url":"https://avatars.githubusercontent.com/u/3341693?v=3","gravatar_id":"","url":"https://api.github.com/users/skodape","html_url":"https://github.com/skodape","followers_url":"https://api.github.com/users/skodape/followers","following_url":"https://api.github.com/users/skodape/following{/other_user}","gists_url":"https://api.github.com/users/skodape/gists{/gist_id}","starred_url":"https://api.github.com/users/skodape/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/skodape/subscriptions","organizations_url":"https://api.github.com/users/skodape/orgs","repos_url":"https://api.github.com/users/skodape/repos","events_url":"https://api.github.com/users/skodape/events{/privacy}","received_events_url":"https://api.github.com/users/skodape/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/UnifiedViews/Core/labels/priority:%20Normal","name":"priority: Normal","color":"fef2c0"},{"url":"https://api.github.com/repos/UnifiedViews/Core/labels/severity:%20bug","name":"severity: bug","color":"fc2929"}],"state":"open","locked":false,"assignee":{"login":"skodape","id":3341693,"avatar_url":"https://avatars.githubusercontent.com/u/3341693?v=3","gravatar_id":"","url":"https://api.github.com/users/skodape","html_url":"https://github.com/skodape","followers_url":"https://api.github.com/users/skodape/followers","following_url":"https://api.github.com/users/skodape/following{/other_user}","gists_url":"https://api.github.com/users/skodape/gists{/gist_id}","starred_url":"https://api.github.com/users/skodape/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/skodape/subscriptions","organizations_url":"https://api.github.com/users/skodape/orgs","repos_url":"https://api.github.com/users/skodape/repos","events_url":"https://api.github.com/users/skodape/events{/privacy}","received_events_url":"https://api.github.com/users/skodape/received_events","type":"User","site_admin":false},"milestone":null,"comments":7,"created_at":"2015-04-07T06:22:52Z","updated_at":"2015-06-29T07:39:01Z","closed_at":null,"body":"Best to my knowledge happened twice so far. Frontend page does not load, there is no error in log \r\nonly following message:\r\n```\r\n2015-04-07 08:13:36,165 [http-nio-8080-exec-7] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - > service (146815)\r\n2015-04-07 08:13:36,165 [http-nio-8080-exec-4] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - > service (146816)\r\n2015-04-07 08:13:36,165 [http-nio-8080-exec-7] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - < service (146815) in: 0 ms\r\n2015-04-07 08:13:36,166 [http-nio-8080-exec-4] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - < service (146816) in: 1 ms\r\n2015-04-07 08:13:36,178 [http-nio-8080-exec-1] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - > service (146817)\r\n2015-04-07 08:13:36,179 [http-nio-8080-exec-1] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - < service (146817) in: 1 ms\r\n2015-04-07 08:13:36,196 [http-nio-8080-exec-3] DEBUG org.eclipse.persistence.logging.sql - 2015-04-07 08:13:36.195--ServerSession(541706000)--Connection(1495393060)--SELECT ID AS a1, NAME AS a2, VALUE AS a3 FROM runtime_properties WHERE (NAME = ?) LIMIT ?, ?\r\n        bind => [locale, 0, 1]\r\n2015-04-07 08:13:36,197 [http-nio-8080-exec-3] DEBUG org.eclipse.persistence.logging.sql - 2015-04-07 08:13:36.197--ServerSession(541706000)--SELECT 1\r\n2015-04-07 08:13:36,199 [http-nio-8080-exec-3] INFO  org.eclipse.persistence.logging.default - 2015-04-07 08:13:36.199--UnitOfWork(278307436)--Communication failure detected when attempting to perform read query outside of a transaction. Attempting to retry query. Error was: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.5.1.v20130918-f2b9fc5): org.eclipse.persistence.exceptions.DatabaseException\r\nInternal Exception: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was80932 seconds ago.The last packet sent successfully to the server was 80932 seconds ago, which  is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.\r\nError Code: 0\r\nCall: SELECT ID AS a1, NAME AS a2, VALUE AS a3 FROM runtime_properties WHERE (NAME = ?) LIMIT ?, ?\r\n        bind => [locale, 0, 1]\r\nQuery: ReadAllQuery(referenceClass=RuntimeProperty sql=\"SELECT ID AS a1, NAME AS a2, VALUE AS a3 FROM runtime_properties WHERE (NAME = ?) LIMIT ?, ?\").\r\n2015-04-07 08:13:36,200 [http-nio-8080-exec-3] DEBUG org.eclipse.persistence.logging.sql - 2015-04-07 08:13:36.2--ServerSession(541706000)--Connection(1919609224)--SELECT ID AS a1, NAME AS a2, VALUE AS a3 FROM runtime_properties WHERE (NAME = ?) LIMIT ?, ?\r\n        bind => [locale, 0, 1]\r\n2015-04-07 08:13:36,200 [http-nio-8080-exec-3] DEBUG org.eclipse.persistence.logging.sql - 2015-04-07 08:13:36.2--ServerSession(541706000)--SELECT 1\r\n2015-04-07 08:13:36,201 [http-nio-8080-exec-6] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - > service (146818)\r\n2015-04-07 08:13:36,202 [http-nio-8080-exec-5] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - > service (146819)\r\n2015-04-07 08:13:36,202 [http-nio-8080-exec-6] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - < service (146818) in: 1 ms\r\n2015-04-07 08:13:36,202 [http-nio-8080-exec-5] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - < service (146819) in: 0 ms\r\n2015-04-07 08:13:36,203 [http-nio-8080-exec-3] INFO  org.eclipse.persistence.logging.default - 2015-04-07 08:13:36.202--UnitOfWork(278307436)--Communication failure detected when attempting to perform read query outside of a transaction. Attempting to retry query. Error was: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.5.1.v20130918-f2b9fc5): org.eclipse.persistence.exceptions.DatabaseException\r\nInternal Exception: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was114434 seconds ago.The last packet sent successfully to the server was 114434 seconds ago, which  is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.\r\nError Code: 0\r\nCall: SELECT ID AS a1, NAME AS a2, VALUE AS a3 FROM runtime_properties WHERE (NAME = ?) LIMIT ?, ?\r\n        bind => [locale, 0, 1]\r\nQuery: ReadAllQuery(referenceClass=RuntimeProperty sql=\"SELECT ID AS a1, NAME AS a2, VALUE AS a3 FROM runtime_properties WHERE (NAME = ?) LIMIT ?, ?\").\r\n2015-04-07 08:13:36,244 [http-nio-8080-exec-2] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - > service (146820)\r\n2015-04-07 08:13:36,245 [http-nio-8080-exec-9] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - > service (146821)\r\n2015-04-07 08:13:36,246 [http-nio-8080-exec-2] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - < service (146820) in: 2 ms\r\n2015-04-07 08:13:36,246 [http-nio-8080-exec-9] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - < service (146821) in: 1 ms\r\n2015-04-07 08:14:32,204 [http-nio-8080-exec-4] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - > service (146822)\r\n2015-04-07 08:14:32,205 [http-nio-8080-exec-4] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - < service (146822) in: 1 ms\r\n2015-04-07 08:14:32,211 [http-nio-8080-exec-1] INFO  c.c.mff.xrg.odcs.frontend.ODCSApplicationServlet - > service (146823)\r\n2015-04-07 08:14:32,211 [http-nio-8080-exec-1] DEBUG ru.xpoft.vaadin.SpringUIProvider - found BEAN_NAME_PARAMETER: ui\r\n```"},"comment":{"url":"https://api.github.com/repos/UnifiedViews/Core/issues/comments/116502831","html_url":"https://github.com/UnifiedViews/Core/issues/353#issuecomment-116502831","issue_url":"https://api.github.com/repos/UnifiedViews/Core/issues/353","id":116502831,"user":{"login":"skrchnavy","id":7057580,"avatar_url":"https://avatars.githubusercontent.com/u/7057580?v=3","gravatar_id":"","url":"https://api.github.com/users/skrchnavy","html_url":"https://github.com/skrchnavy","followers_url":"https://api.github.com/users/skrchnavy/followers","following_url":"https://api.github.com/users/skrchnavy/following{/other_user}","gists_url":"https://api.github.com/users/skrchnavy/gists{/gist_id}","starred_url":"https://api.github.com/users/skrchnavy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/skrchnavy/subscriptions","organizations_url":"https://api.github.com/users/skrchnavy/orgs","repos_url":"https://api.github.com/users/skrchnavy/repos","events_url":"https://api.github.com/users/skrchnavy/events{/privacy}","received_events_url":"https://api.github.com/users/skrchnavy/received_events","type":"User","site_admin":false},"created_at":"2015-06-29T07:39:00Z","updated_at":"2015-06-29T07:39:00Z","body":"@skodape please provide info about versions you have used when error occurred (or commit numbers if using code not from master - tagged version)"}}