I opened a database through glassfish4 server but When I want to access database with Intellij Idea I get these errors:
Settings in Glassfish:
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try "jdbc:oracle:thin:@//localhost:1521/xe" – matoni Jul 25 '17 at 13:11
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there's nothing new :( – Frollo Jul 25 '17 at 13:13
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check error message, it should give you some though what is wrong – matoni Jul 25 '17 at 13:14
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How can find error message in files ? – Frollo Jul 25 '17 at 13:15
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At the bottom of the "Screenshot intellij idea" I can see Error warning. – matoni Jul 25 '17 at 13:16
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just one error : Error: Connection to @localhost failed.Problem section is empty. – Frollo Jul 25 '17 at 13:20
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even if you click on view? – matoni Jul 25 '17 at 13:20
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try to look at oraclexe installation folder. there should be some log file. If you find some error description put it there (without this we can just guessing what is wrong). – matoni Jul 25 '17 at 13:27
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Connection to @localhost failed. [08006][17002] IO Error: The Network Adapter could not establish the connection – Frollo Jul 25 '17 at 13:47
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try to check if tnslistener port number matches 1521 (oraclexe\app\oracle\product\11.2.0\server\network\ADMIN) – matoni Jul 25 '17 at 13:52
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also make sure, oraclexe is running [how to start oracle server](https://stackoverflow.com/questions/6894558/ora-12560-tnsprotocol-adaptor-error#answer-6904462) – matoni Jul 25 '17 at 13:55
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Oracle server running automatically when glassfish run ? – Frollo Jul 25 '17 at 20:25
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no, but if you want to connect to oracle db at localhost, it has to run. – matoni Jul 25 '17 at 20:36
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https://stackoverflow.com/questions/54484292/how-to-fix-ora-12705-cannot-access-nls-data-files-or-invalid-environment-speci – Guram Kankava Sep 06 '21 at 11:46