{"action":"opened","issue":{"url":"https://api.github.com/repos/primefaces/primefaces/issues/1552","repository_url":"https://api.github.com/repos/primefaces/primefaces","labels_url":"https://api.github.com/repos/primefaces/primefaces/issues/1552/labels{/name}","comments_url":"https://api.github.com/repos/primefaces/primefaces/issues/1552/comments","events_url":"https://api.github.com/repos/primefaces/primefaces/issues/1552/events","html_url":"https://github.com/primefaces/primefaces/issues/1552","id":162095687,"number":1552,"title":"Invalid sheet names are allowed in ExcelExporter which causes runtime exception.","user":{"login":"mertsincan","id":11868120,"avatar_url":"https://avatars.githubusercontent.com/u/11868120?v=3","gravatar_id":"","url":"https://api.github.com/users/mertsincan","html_url":"https://github.com/mertsincan","followers_url":"https://api.github.com/users/mertsincan/followers","following_url":"https://api.github.com/users/mertsincan/following{/other_user}","gists_url":"https://api.github.com/users/mertsincan/gists{/gist_id}","starred_url":"https://api.github.com/users/mertsincan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mertsincan/subscriptions","organizations_url":"https://api.github.com/users/mertsincan/orgs","repos_url":"https://api.github.com/users/mertsincan/repos","events_url":"https://api.github.com/users/mertsincan/events{/privacy}","received_events_url":"https://api.github.com/users/mertsincan/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/primefaces/primefaces/labels/6.0.1","name":"6.0.1","color":"ffffff"},{"url":"https://api.github.com/repos/primefaces/primefaces/labels/defect","name":"defect","color":"fc2929"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/primefaces/primefaces/milestones/4","html_url":"https://github.com/primefaces/primefaces/milestones/6.1","labels_url":"https://api.github.com/repos/primefaces/primefaces/milestones/4/labels","id":1812677,"number":4,"title":"6.1","description":"","creator":{"login":"cagataycivici","id":686247,"avatar_url":"https://avatars.githubusercontent.com/u/686247?v=3","gravatar_id":"","url":"https://api.github.com/users/cagataycivici","html_url":"https://github.com/cagataycivici","followers_url":"https://api.github.com/users/cagataycivici/followers","following_url":"https://api.github.com/users/cagataycivici/following{/other_user}","gists_url":"https://api.github.com/users/cagataycivici/gists{/gist_id}","starred_url":"https://api.github.com/users/cagataycivici/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cagataycivici/subscriptions","organizations_url":"https://api.github.com/users/cagataycivici/orgs","repos_url":"https://api.github.com/users/cagataycivici/repos","events_url":"https://api.github.com/users/cagataycivici/events{/privacy}","received_events_url":"https://api.github.com/users/cagataycivici/received_events","type":"User","site_admin":false},"open_issues":1,"closed_issues":23,"state":"open","created_at":"2016-06-07T06:20:05Z","updated_at":"2016-06-24T08:00:44Z","due_on":null,"closed_at":null},"comments":0,"created_at":"2016-06-24T08:00:44Z","updated_at":"2016-06-24T08:00:44Z","closed_at":null,"body":"Reported by PRO User;\r\n> We would like to report a bug we found in the way the Primefaces ExcelExporter generates the sheet name to use in the workbook. We use PrimeFaces 5.3.11 but this seems to also affect PrimeFaces 6.0 since I saw the section of the code affected is the same in 6.0. The issue is that there is no validation that the string value generated for the sheet name does conform to the standards according to the Apache POI library, listed here:\r\nhttps://poi.apache.org/apidocs/org/apache/poi/ss/util/WorkbookUtil.html (scroll down to validateSheetName)\r\n..."}}
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