{"id":478807,"date":"2023-08-09T09:38:29","date_gmt":"2023-08-09T09:38:29","guid":{"rendered":""},"modified":"2023-09-05T11:17:36","modified_gmt":"2023-09-05T11:17:36","slug":"run-time-error","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/run-time-error\/","title":{"rendered":"L\u1ed7i runtime"},"content":{"rendered":"<p>L\u1ed7i th\u1eddi gian ch\u1ea1y l\u00e0 l\u1ed7i x\u1ea3y ra trong qu\u00e1 tr\u00ecnh th\u1ef1c thi ch\u01b0\u01a1ng tr\u00ecnh. Kh\u00f4ng gi\u1ed1ng nh\u01b0 l\u1ed7i th\u1eddi gian bi\u00ean d\u1ecbch \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong giai \u0111o\u1ea1n bi\u00ean d\u1ecbch m\u00e3, l\u1ed7i th\u1eddi gian ch\u1ea1y xu\u1ea5t hi\u1ec7n khi ch\u01b0\u01a1ng tr\u00ecnh \u0111ang ch\u1ea1y v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c h\u00e0nh vi kh\u00f4ng mong mu\u1ed1n. Ch\u00fang th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng h\u1ee3p l\u1ec7, d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng b\u1ea5t ng\u1edd m\u00e0 ng\u01b0\u1eddi l\u1eadp tr\u00ecnh kh\u00f4ng t\u00ednh \u0111\u1ebfn.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a l\u1ed7i th\u1eddi gian ch\u1ea1y v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m v\u1ec1 l\u1ed7i th\u1eddi gian ch\u1ea1y \u0111\u00e3 c\u00f3 t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u l\u1eadp tr\u00ecnh. Ngay khi m\u00e1y t\u00ednh b\u1eaft \u0111\u1ea7u th\u1ef1c thi m\u00e3, c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra l\u1ed7i trong th\u1eddi gian ch\u1ea1y. B\u1ea3n th\u00e2n thu\u1eadt ng\u1eef n\u00e0y tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u1ea5p cao nh\u01b0 FORTRAN v\u00e0 COBOL trong nh\u1eefng n\u0103m 1950 v\u00e0 1960. Nh\u1eefng ng\u00f4n ng\u1eef n\u00e0y c\u00f3 nhi\u1ec1u h\u00e0nh vi ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 do \u0111\u00f3 c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng x\u1ea3y ra l\u1ed7i th\u1eddi gian ch\u1ea1y h\u01a1n.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 l\u1ed7i th\u1eddi gian ch\u1ea1y. M\u1edf r\u1ed9ng l\u1ed7i th\u1eddi gian ch\u1ea1y ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>L\u1ed7i th\u1eddi gian ch\u1ea1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean nguy\u00ean nh\u00e2n c\u1ee7a ch\u00fang:<\/p>\n<ul>\n<li><strong>Chia cho s\u1ed1 kh\u00f4ng<\/strong>: M\u1ed9t ph\u00e9p to\u00e1n s\u1ed1 h\u1ecdc trong \u0111\u00f3 m\u1eabu s\u1ed1 b\u1eb1ng 0.<\/li>\n<li><strong>H\u1ed9i th\u1ea3o con tr\u1ecf Null<\/strong>: Truy c\u1eadp v\u1ecb tr\u00ed b\u1ed9 nh\u1edb th\u00f4ng qua m\u1ed9t con tr\u1ecf ch\u01b0a \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o.<\/li>\n<li><strong>Tr\u00e0n b\u1ed9 nh\u1edb<\/strong>: Ghi nhi\u1ec1u d\u1eef li\u1ec7u v\u00e0o b\u1ed9 \u0111\u1ec7m h\u01a1n m\u1ee9c n\u00f3 c\u00f3 th\u1ec3 ch\u1ee9a.<\/li>\n<li><strong>Ho\u1ea1t \u0111\u1ed9ng b\u1ea5t h\u1ee3p ph\u00e1p<\/strong>: Th\u1ef1c hi\u1ec7n m\u1ed9t thao t\u00e1c kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p \u1edf tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/li>\n<li><strong>C\u1ea1n ki\u1ec7t t\u00e0i nguy\u00ean<\/strong>: H\u1ebft t\u00e0i nguy\u00ean nh\u01b0 b\u1ed9 nh\u1edb ho\u1eb7c b\u1ed9 x\u1eed l\u00fd t\u1ec7p.<\/li>\n<\/ul>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a l\u1ed7i th\u1eddi gian ch\u1ea1y. L\u1ed7i th\u1eddi gian ch\u1ea1y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>L\u1ed7i th\u1eddi gian ch\u1ea1y x\u1ea3y ra khi ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i d\u1eabn \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng h\u1ee3p l\u1ec7 ho\u1eb7c kh\u00f4ng x\u00e1c \u0111\u1ecbnh. Sau \u0111\u00f3, m\u00f4i tr\u01b0\u1eddng th\u1eddi gian ch\u1ea1y c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ebd ph\u00e1t hi\u1ec7n tr\u1ea1ng th\u00e1i n\u00e0y v\u00e0 th\u01b0\u1eddng t\u1ea1m d\u1eebng ch\u01b0\u01a1ng tr\u00ecnh, c\u00f3 th\u1ec3 g\u00e2y ra th\u00f4ng b\u00e1o l\u1ed7i ho\u1eb7c c\u01a1 ch\u1ebf th\u00f4ng b\u00e1o kh\u00e1c.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a l\u1ed7i th\u1eddi gian ch\u1ea1y<\/h2>\n<ul>\n<li><strong>Kh\u00f4ng th\u1ec3 \u0111o\u00e1n tr\u01b0\u1edbc<\/strong>: C\u00f3 th\u1ec3 kh\u00f4ng x\u1ea3y ra trong m\u1ed7i l\u1ea7n th\u1ef1c thi.<\/li>\n<li><strong>Kh\u00f3 t\u00e1i s\u1ea3n xu\u1ea5t<\/strong>: C\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ea7u v\u00e0o ho\u1eb7c tr\u1ea1ng th\u00e1i c\u1ee5 th\u1ec3.<\/li>\n<li><strong>C\u00f3 kh\u1ea3 n\u0103ng th\u1ea3m h\u1ecda<\/strong>: C\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 ch\u01b0\u01a1ng tr\u00ecnh.<\/li>\n<li><strong>C\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda \u0111\u01b0\u1ee3c<\/strong>: V\u1edbi c\u01a1 ch\u1ebf ki\u1ec3m tra v\u00e0 x\u1eed l\u00fd ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i l\u1ed7i th\u1eddi gian ch\u1ea1y<\/h2>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i l\u1ed7i th\u1eddi gian ch\u1ea1y. \u0110\u00e2y l\u00e0 b\u1ea3ng t\u00f3m t\u1eaft m\u1ed9t s\u1ed1 c\u00e1i ph\u1ed5 bi\u1ebfn:<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i l\u1ed7i<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Chia cho s\u1ed1 kh\u00f4ng<\/td>\n<td>Ph\u00e9p to\u00e1n trong \u0111\u00f3 m\u1eabu s\u1ed1 b\u1eb1ng 0.<\/td>\n<\/tr>\n<tr>\n<td>Con tr\u1ecf r\u1ed7ng<\/td>\n<td>Truy c\u1eadp m\u1ed9t con tr\u1ecf ch\u01b0a \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o.<\/td>\n<\/tr>\n<tr>\n<td>Tr\u00e0n b\u1ed9 nh\u1edb<\/td>\n<td>V\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a b\u1ed9 \u0111\u1ec7m.<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea1n ki\u1ec7t t\u00e0i nguy\u00ean<\/td>\n<td>H\u1ebft t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng quan tr\u1ecdng.<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng b\u1ea5t h\u1ee3p ph\u00e1p<\/td>\n<td>M\u1ed9t thao t\u00e1c kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p trong b\u1ed1i c\u1ea3nh ho\u1eb7c tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng l\u1ed7i th\u1eddi gian ch\u1ea1y, s\u1ef1 c\u1ed1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>L\u1ed7i th\u1eddi gian ch\u1ea1y l\u00e0 m\u1ed1i quan t\u00e2m \u0111\u00e1ng k\u1ec3 trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00f4ng qua:<\/p>\n<ul>\n<li><strong>X\u1eed l\u00fd l\u1ed7i<\/strong>: S\u1eed d\u1ee5ng c\u00e1c c\u01a1 ch\u1ebf nh\u01b0 kh\u1ed1i th\u1eed b\u1eaft.<\/li>\n<li><strong>Ki\u1ec3m tra<\/strong>: Th\u1eed nghi\u1ec7m m\u1edf r\u1ed9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1ed7i th\u1eddi gian ch\u1ea1y ti\u1ec1m \u1ea9n.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t<\/strong>: H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ph\u00e1t hi\u1ec7n l\u1ed7i theo th\u1eddi gian th\u1ef1c.<\/li>\n<li><strong>Ghi nh\u1eadt k\u00fd<\/strong>: Ghi l\u1ea1i chi ti\u1ebft l\u1ed7i \u0111\u1ec3 ph\u00e2n t\u00edch sau khi kh\u00e1m nghi\u1ec7m t\u1eed thi.<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>\u0110\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh l\u1ed7i th\u1eddi gian ch\u1ea1y v\u1edbi c\u00e1c lo\u1ea1i l\u1ed7i ph\u1ed5 bi\u1ebfn kh\u00e1c:<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i l\u1ed7i<\/th>\n<th>X\u1ea3y ra trong th\u1eddi gian<\/th>\n<th>S\u1ef1 va ch\u1ea1m<\/th>\n<th>V\u00ed d\u1ee5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Th\u1eddi gian ch\u1ea1y<\/td>\n<td>Ch\u1ea5p h\u00e0nh<\/td>\n<td>Ch\u01b0\u01a1ng tr\u00ecnh g\u1eb7p s\u1ef1 c\u1ed1<\/td>\n<td>Chia cho s\u1ed1 kh\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td>Th\u1eddi gian bi\u00ean d\u1ecbch<\/td>\n<td>bi\u00ean so\u1ea1n<\/td>\n<td>L\u1ed7i bi\u00ean d\u1ecbch<\/td>\n<td>L\u1ed7i c\u00fa ph\u00e1p<\/td>\n<\/tr>\n<tr>\n<td>H\u1ee3p l\u00fd<\/td>\n<td>Ch\u1ea5p h\u00e0nh<\/td>\n<td>H\u00e0nh vi kh\u00f4ng \u0111\u00fang<\/td>\n<td>Thu\u1eadt to\u00e1n sai<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn l\u1ed7i th\u1eddi gian ch\u1ea1y<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a vi\u1ec7c qu\u1ea3n l\u00fd l\u1ed7i th\u1eddi gian ch\u1ea1y n\u1eb1m \u1edf vi\u1ec7c ki\u1ec3m tra t\u1ed1t h\u01a1n, ph\u00e1t hi\u1ec7n l\u1ed7i t\u1ef1 \u0111\u1ed9ng, ph\u00e2n t\u00edch d\u1ef1a tr\u00ean tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn nh\u1eb1m gi\u1ea3m thi\u1ec3u nguy c\u01a1 x\u1ea3y ra nh\u1eefng l\u1ed7i \u0111\u00f3.<\/p>\n<h2>C\u00e1ch m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft v\u1edbi l\u1ed7i th\u1eddi gian ch\u1ea1y<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy gi\u1ed1ng nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i ho\u1eb7c g\u00e2y ra l\u1ed7i th\u1eddi gian ch\u1ea1y trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u1eed l\u00fd y\u00eau c\u1ea7u kh\u00f4ng \u0111\u00fang c\u00e1ch, c\u1ea1n ki\u1ec7t t\u00e0i nguy\u00ean ho\u1eb7c c\u1ea5u h\u00ecnh sai. Th\u1ef1c h\u00e0nh gi\u00e1m s\u00e1t, ghi nh\u1eadt k\u00fd v\u00e0 b\u1ea3o tr\u00ec th\u00edch h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda c\u00e1c l\u1ed7i n\u00e0y trong m\u00f4i tr\u01b0\u1eddng proxy.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Runtime_error\" target=\"_new\" rel=\"noopener nofollow\">Wikipedia: L\u1ed7i th\u1eddi gian ch\u1ea1y<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">OneProxy: Gi\u1ea3i ph\u00e1p m\u00e1y ch\u1ee7 proxy<\/a><\/li>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/visualstudio\/visual-basic-6\/aa232677(v=vs.60)\" target=\"_new\" rel=\"noopener nofollow\">Microsoft: T\u00ecm hi\u1ec3u l\u1ed7i th\u1eddi gian ch\u1ea1y<\/a><\/li>\n<li><a href=\"https:\/\/docs.oracle.com\/javase\/tutorial\/essential\/exceptions\/runtime.html\" target=\"_new\" rel=\"noopener nofollow\">Oracle: X\u1eed l\u00fd ngo\u1ea1i l\u1ec7 Java<\/a><\/li>\n<\/ul>","protected":false},"featured_media":470399,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478807","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Run Time Error<\/mark>","faq_items":[{"question":"What is a Run Time Error?","answer":"<p>A run time error is an error that occurs during the execution of a program. Unlike compile-time errors that are identified during the code compilation phase, run time errors appear while the program is running, often leading to a program crash or unexpected behavior. They may result from invalid operations, incorrect data, or unexpected situations not accounted for by the programmer.<\/p>"},{"question":"What are the Common Types of Run Time Errors?","answer":"<p>Common types of run time errors include Division by Zero, Null Pointer Dereferencing, Buffer Overflow, Illegal Operation, and Resource Exhaustion. These errors occur due to arithmetic anomalies, uninitialized pointers, capacity exceeding, executing illegal operations, or running out of critical system resources.<\/p>"},{"question":"How Can Run Time Errors Be Managed or Corrected?","answer":"<p>Run time errors can be managed through various means, including proper error handling using mechanisms like try-catch blocks, extensive testing to identify potential run time errors, real-time monitoring systems for error detection, and detailed logging for post-mortem analysis.<\/p>"},{"question":"What Are the Differences Between Run Time Errors and Other Error Types?","answer":"<p>Run time errors occur during program execution and can lead to program crashes, while compile-time errors occur during compilation and prevent the program from compiling. Logical errors also occur during execution but lead to incorrect behavior rather than crashes.<\/p>"},{"question":"How Are Proxy Servers Like OneProxy Associated with Run Time Errors?","answer":"<p>Proxy servers such as OneProxy can encounter or cause run time errors in scenarios like improper request handling, resource exhaustion, or misconfiguration. Proper monitoring, logging, and maintenance practices are essential in the proxy environment to detect and correct these errors.<\/p>"},{"question":"What Are the Future Perspectives and Technologies Related to Run Time Errors?","answer":"<p>The future of managing run time errors lies in better testing, automated error detection, artificial intelligence-based analysis, and the development of improved programming languages that minimize the risk of such errors. This involves a continued focus on creating more robust and error-resilient software systems.<\/p>"},{"question":"How Can I Learn More About Run Time Errors?","answer":"<p>You can learn more about run time errors by visiting resources like <a href=\"https:\/\/en.wikipedia.org\/wiki\/Runtime_error\" target=\"_new\">Wikipedia's page on Run Time Error<\/a>, <a href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/visualstudio\/visual-basic-6\/aa232677(v=vs.60)\" target=\"_new\">Microsoft's documentation on Understanding Run Time Errors<\/a>, or <a href=\"https:\/\/docs.oracle.com\/javase\/tutorial\/essential\/exceptions\/runtime.html\" target=\"_new\">Oracle's tutorial on Java Exception Handling<\/a>. Additionally, you may explore proxy server solutions related to run time errors at <a href=\"https:\/\/oneproxy.pro\" target=\"_new\">OneProxy<\/a>.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478807\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/470399"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}