{"action":"created","issue":{"url":"https://api.github.com/repos/FasterXML/jackson-dataformat-csv/issues/120","repository_url":"https://api.github.com/repos/FasterXML/jackson-dataformat-csv","labels_url":"https://api.github.com/repos/FasterXML/jackson-dataformat-csv/issues/120/labels{/name}","comments_url":"https://api.github.com/repos/FasterXML/jackson-dataformat-csv/issues/120/comments","events_url":"https://api.github.com/repos/FasterXML/jackson-dataformat-csv/issues/120/events","html_url":"https://github.com/FasterXML/jackson-dataformat-csv/issues/120","id":136368358,"number":120,"title":" Cannot inherit from final class in CsvMapper mapper = new CsvMapper();","user":{"login":"Uditmittal","id":8983017,"avatar_url":"https://avatars.githubusercontent.com/u/8983017?v=3","gravatar_id":"","url":"https://api.github.com/users/Uditmittal","html_url":"https://github.com/Uditmittal","followers_url":"https://api.github.com/users/Uditmittal/followers","following_url":"https://api.github.com/users/Uditmittal/following{/other_user}","gists_url":"https://api.github.com/users/Uditmittal/gists{/gist_id}","starred_url":"https://api.github.com/users/Uditmittal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Uditmittal/subscriptions","organizations_url":"https://api.github.com/users/Uditmittal/orgs","repos_url":"https://api.github.com/users/Uditmittal/repos","events_url":"https://api.github.com/users/Uditmittal/events{/privacy}","received_events_url":"https://api.github.com/users/Uditmittal/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-02-25T12:01:15Z","updated_at":"2016-03-12T23:01:09Z","closed_at":null,"body":"Exception in thread \"main\" java.lang.VerifyError: Cannot inherit from final class\r\n\tat java.lang.ClassLoader.defineClass1(Native Method)\r\n\tat java.lang.ClassLoader.defineClass(ClassLoader.java:800)\r\n\tat java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)\r\n\tat java.net.URLClassLoader.defineClass(URLClassLoader.java:449)\r\n\tat java.net.URLClassLoader.access$100(URLClassLoader.java:71)\r\n\tat java.net.URLClassLoader$1.run(URLClassLoader.java:361)\r\n\tat java.net.URLClassLoader$1.run(URLClassLoader.java:355)\r\n\tat java.security.AccessController.doPrivileged(Native Method)\r\n\tat java.net.URLClassLoader.findClass(URLClassLoader.java:354)\r\n\tat java.lang.ClassLoader.loadClass(ClassLoader.java:425)\r\n\tat sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)\r\n\tat java.lang.ClassLoader.loadClass(ClassLoader.java:358)\r\n\tat com.fasterxml.jackson.dataformat.csv.CsvMapper.<init>(CsvMapper.java:39)\r\n\tat CsvCreator.main(CsvCreator.java:64)\r\n\r\n\r\nMy maven dependency is \r\n                      <dependency>\r\n\t\t\t  <groupId>com.fasterxml.jackson.dataformat</groupId>\r\n\t\t\t  <artifactId>jackson-dataformat-csv</artifactId>\r\n\t\t\t  <version>2.7.0</version>\r\n\t\t\t</dependency>\r\n\r\n\r\nWhen i changed the version \r\n<dependency>\r\n\t\t\t  <groupId>com.fasterxml.jackson.dataformat</groupId>\r\n\t\t\t  <artifactId>jackson-dataformat-csv</artifactId>\r\n\t\t\t  <version>2.5.0</version>\r\n\t\t\t</dependency>\r\n\r\nit works Fine .."},"comment":{"url":"https://api.github.com/repos/FasterXML/jackson-dataformat-csv/issues/comments/195822338","html_url":"https://github.com/FasterXML/jackson-dataformat-csv/issues/120#issuecomment-195822338","issue_url":"https://api.github.com/repos/FasterXML/jackson-dataformat-csv/issues/120","id":195822338,"user":{"login":"cowtowncoder","id":55065,"avatar_url":"https://avatars.githubusercontent.com/u/55065?v=3","gravatar_id":"","url":"https://api.github.com/users/cowtowncoder","html_url":"https://github.com/cowtowncoder","followers_url":"https://api.github.com/users/cowtowncoder/followers","following_url":"https://api.github.com/users/cowtowncoder/following{/other_user}","gists_url":"https://api.github.com/users/cowtowncoder/gists{/gist_id}","starred_url":"https://api.github.com/users/cowtowncoder/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cowtowncoder/subscriptions","organizations_url":"https://api.github.com/users/cowtowncoder/orgs","repos_url":"https://api.github.com/users/cowtowncoder/repos","events_url":"https://api.github.com/users/cowtowncoder/events{/privacy}","received_events_url":"https://api.github.com/users/cowtowncoder/received_events","type":"User","site_admin":false},"created_at":"2016-03-12T23:01:09Z","updated_at":"2016-03-12T23:01:09Z","body":"I don't see anything that would let me know what might be wrong.\r\n\r\nBut typically problems like this are due to incompatible versions: make sure that all your Jackson components have same minor version: with dataformat-csv 2.7 you MUST use `jackson-core` and `jackson-databind` of 2.7 as well."}}