{"id":149,"date":"2013-11-15T11:49:36","date_gmt":"2013-11-15T10:49:36","guid":{"rendered":"http:\/\/explainit.pl\/blog\/?p=149"},"modified":"2016-08-17T17:04:06","modified_gmt":"2016-08-17T15:04:06","slug":"ora-12519-typowe-rozwiazania","status":"publish","type":"post","link":"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/","title":{"rendered":"B\u0142\u0119dy ORA-12519 – typowe rozwi\u0105zania"},"content":{"rendered":"

Najcz\u0119stsz\u0105 przyczyn\u0105 b\u0142\u0119du ORA-12519 ujawniaj\u0105cego si\u0119 podczas pr\u00f3by logowania do serwera bazy danych:<\/p>\n

Listener refused the connection with the following error: ORA-12519,
\nTNS:no appropriate service handler found [SQLCode: 12519]<\/code><\/p>\n

jest osi\u0105gni\u0119cie przez serwer limitu r\u00f3wnocze\u015bnie po\u0142\u0105czonych proces\u00f3w\/sesji okre\u015blanego parametrami inicjalizacyjnymi PROCESSES i SESSIONS.<\/p>\n

Oto prosty spos\u00f3b sprawdzenia aktualnych warto\u015bci tych limit\u00f3w (LIMIT_VALUE), jak i odczytania najwy\u017cszej dotychczas (MAX_UTILIZATION) liczby r\u00f3wnoczesnych sesji i proces\u00f3w:<\/p>\n

SQL> select * from v$resource_limit where resource_name in ('processes','sessions');
\n<\/code><\/p>\n

RESOURCE_NAME CURRENT_UTILIZATION MAX_UTILIZATION INITIAL_ALLOCATION LIMIT_VALUE
\n------------- ------------------- --------------- ------------------ -----------
\nprocesses\u00a0\u00a0\u00a0\u00a0 29\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 42\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 150\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 150
\nsessions\u00a0\u00a0\u00a0\u00a0\u00a0 37\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 56\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 248\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 248
\n<\/code><\/p>\n

Je\u015bli okaza\u0142oby si\u0119, \u017ce MAX_UTILIZATION zr\u00f3wnuje sie z ustawionymi limitami, to niew\u0105tpliwie jest to przyczyna ORA-12519. Zmiana warto\u015bci limit\u00f3w SESSIONS i PROCESSES:<\/p>\n

alter system set processes = 500 scope = spfile;
\nalter system set sessions = 400 scope = spfile;<\/code><\/p>\n

a nast\u0119pnie oczywi\u015bcie restart serwera.<\/p>\n","protected":false},"excerpt":{"rendered":"

Najcz\u0119stsz\u0105 przyczyn\u0105 b\u0142\u0119du ORA-12519 ujawniaj\u0105cego si\u0119 podczas pr\u00f3by logowania do serwera bazy danych: Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found [SQLCode: 12519] jest osi\u0105gni\u0119cie przez serwer limitu r\u00f3wnocze\u015bnie po\u0142\u0105czonych proces\u00f3w\/sesji okre\u015blanego parametrami inicjalizacyjnymi PROCESSES i SESSIONS. Oto prosty spos\u00f3b sprawdzenia aktualnych warto\u015bci tych limit\u00f3w (LIMIT_VALUE), jak i odczytania Read more about B\u0142\u0119dy ORA-12519 – typowe rozwi\u0105zania<\/span>[…]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[5,6],"yoast_head":"\nB\u0142\u0119dy ORA-12519 - typowe rozwi\u0105zania - Explain IT<\/title>\n<meta name=\"description\" content=\"B\u0142\u0119dy ORA-12519 - typowe rozwi\u0105zania\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u0142\u0119dy ORA-12519 - typowe rozwi\u0105zania - Explain IT\" \/>\n<meta property=\"og:description\" content=\"B\u0142\u0119dy ORA-12519 - typowe rozwi\u0105zania\" \/>\n<meta property=\"og:url\" content=\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/\" \/>\n<meta property=\"og:site_name\" content=\"Explain IT\" \/>\n<meta property=\"article:published_time\" content=\"2013-11-15T10:49:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-08-17T15:04:06+00:00\" \/>\n<meta name=\"author\" content=\"Maciej Zakrzewicz\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Maciej Zakrzewicz\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/\"},\"author\":{\"name\":\"Maciej Zakrzewicz\",\"@id\":\"https:\/\/explainit.pl\/wordpress\/#\/schema\/person\/740773131bc169a2dc9c0e5e07476219\"},\"headline\":\"B\u0142\u0119dy ORA-12519 – typowe rozwi\u0105zania\",\"datePublished\":\"2013-11-15T10:49:36+00:00\",\"dateModified\":\"2016-08-17T15:04:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/\"},\"wordCount\":110,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/explainit.pl\/wordpress\/#organization\"},\"keywords\":[\"awarie\",\"b\u0142\u0119dy\"],\"articleSection\":[\"Oracle Database\"],\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/\",\"url\":\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/\",\"name\":\"B\u0142\u0119dy ORA-12519 - typowe rozwi\u0105zania - Explain IT\",\"isPartOf\":{\"@id\":\"https:\/\/explainit.pl\/wordpress\/#website\"},\"datePublished\":\"2013-11-15T10:49:36+00:00\",\"dateModified\":\"2016-08-17T15:04:06+00:00\",\"description\":\"B\u0142\u0119dy ORA-12519 - typowe rozwi\u0105zania\",\"breadcrumb\":{\"@id\":\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/explainit.pl\/wordpress\/2013\/11\/15\/ora-12519-typowe-rozwiazania\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Strona g\u0142\u00f3wna\",\"item\":\"https:\/\/explainit.pl\/wordpress\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"B\u0142\u0119dy ORA-12519 – typowe rozwi\u0105zania\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/explainit.pl\/wordpress\/#website\",\"url\":\"https:\/\/explainit.pl\/wordpress\/\",\"name\":\"Explain IT\",\"description\":\"Autorska pracownia doradztwa i szkole\u0144 IT - Maciej Zakrzewicz - szkolenia, ekspertyzy, wdro\u017cenia. 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