java - Special characted incorrectly stored in POSTGRES DB -

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project based on postgres database version 9.3.5, java 7, org.hibernate hibernate-core 3.6.10.final

problem : have 2 separate system running same web application. 1 on of systems persisted correctly on other strings sent postgres database contain unicode characters , text 'nnés' persisted 'nns' or 'nnés-2' . difference noticed between 2 systems 1 displaying unicode , otherutf8 client encoding when doing show client_encoding; in console. 1 running unicode works correctly other not.

my question is possible client encoding got stuck/hardcoded somehow , not being selected based on real client encoding mean strings sent in unicode arent converted utf8 persisted.

what can reasons such behavior.

try request.setcharacterencoding("utf-8");


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