#savol_49 #javob_berildi
xatolikka tushunmayapman nimadan
Savol muallifi: Mirzobobur
Rasm 1
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Javob: Bittasiga @Lazy qoʻying

Yoki logikezi tekshiring, bir birini chaqirmaslikka harakat qiling
Javob muallifi: Abdulvahid
izohdagi javob linki
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#savol_50 #javob_berildi
Assalomu aleykum Savol shuki

sizda 4 ta user bor va shu userlarni malumotlari bor malumot bu nuqtacha

postgres query yozish kerak

hamma userlarni itemi limet 10 tasi o'chib ketsin degan shuni iloji bomri?
Savol muallifi: Baxriddin プログラマー
Rasm 1
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Javob: siz har bir user boyicha group by qilib select qivoling, keyin shuni teskarisiga delete qisez manincha silliq bop ketadi
Javob muallifi: Shavkat T
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#savol_51 #javob_berildi
Ассалом алейкум хаммага.
RestTemplate ишлатишда бир муаммога дуч келдим. https://api лага муаммосиз кетвотти запрос. Лекин https://api га кетишда уршиб бервотти. Хатолик:
"enable to find valid certification path to requested target".
Savol muallifi: Удаленный аккаунт
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Javob: 2 ta holatda qilsayiz bo'ladi, sertificateni ignore qilishiz mn yoki ceritikat qo'shib kn request yuborishiz mn.



https://stackoverflow.com/questions/4072585/disabling-ssl-certificate-validation-in-spring-resttemplate
Javob muallifi: Og'abek
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#savol_52 #javob_berildi
Asslaomu alaykum.

FeignCLient dan qaytgan responseni har safar check qilib turish maqsadida interseptor yozishni imkoni bormi?
Savol muallifi: Nozimbek Xamidovich
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Javob: bunda decoder da ushlavosangiz boladi

https://programmer.ink/think/feign-interceptor-and-decoder.html
Javob muallifi: Jabborov Sherzod
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#savol_53 #javob_berildi
assalomu aleykum, entity yarata olmay qolayapdi menda hibernate shunday xato beryabdi
GenerationTarget encountered exception accepting command : Error executing DDL "
create table article (
id serial not null,
date timestamp,
like int4,
number_comment int4,
post_text varchar(1000000) not null,
title varchar(255) not null,
attachment_id int4,
member_id int4,
primary key (id)
)" via JDBC Statement,

stackoverflowda internetda hibernate.dialect qo'ying degan ekan menda bor edi dialec baribr yarata olmayabdi
Savol muallifi: Sardorbek Matniyazov
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Javob: Like bo'lmaydi column nomi
Javob muallifi: Og'abek
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#savol_54 #javob_berildi
Assalom Alaykum , projectni run qilmoqchi bo'lsam ishga tushmayabdi aniqrog'i kafka error berib yuboryabdi, dockerda kafka va zookeeper ishlab turibdi lekin, nimadan bo'lishi mumkin.
error fileni commentda qoldiraman.
Savol muallifi: Зиё Великий
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Javob: oldin ham shunaqa bogandiyu, perezagruzka - ming darsga davo
Javob muallifi: Shavkat T
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#savol_55 #javob_berildi
Assalomu aleykum,
th:attr="src=@{'/downloadedImages/' + ${post.imageName}},
thymeleaf orqali suratlarni shu tarizda show qilayotgandim, lekin yangi surat upload qilinsa yangisi show bo'lmayabdi chunki thymeleaf project run bo'lgandagi suratlarni faqat taniyabdi deb o'ylayman,
buni boshqacha yo'li bormi surat , misol uchin maxsulorlar menyusida maxsulot suratini ko'rsatib qo'yish kerak bo'lsa
Savol muallifi: Sardorbek Matniyazov
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Javob: file controller yasang, kelgan usrlga qarab Resource yoki file ni qaytaring, thymleaf da img src ga url bering, url controllerizni chaqiradi, qaytgan file ni render qilaveradi avtamatik
Javob muallifi: Shavkat T
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#savol_56 #javob_berildi
Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.amqp.AmqpIOException: java.net.SocketTimeoutException: Connect timed out] with root cause

RabbitMqdan foydalanayotganimda shunaqa xatolik berayapti
Savol muallifi: Doston
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Javob: localhost=172.0.0.1 deb olib ketganim uchun bolgan ekan
Javob muallifi: Doston
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#savol_58 #javob_berildi
Assalom Alaykum.
Failed to send push notification. Reason: Unknown error while making a remote service call: Error getting access token for service account: 400 Bad Request
POST https://oauth2.googleapis.com/token.
kafkadan kelgan malumot firebase bilan yubormoqchi bo'lsam shunaqa error beryabdi.
Savol muallifi: Зиё Великий
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Javob: Fcm token va firebase token tekshirib koring, docker restart qiling
Javob muallifi: Vakhobiddin ziyo
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#savol_59 #javob_berildi
Assalomu alekum kelgan fayl o'qib olishim kerak. Ko'proq pdf fayl keladi uning ichida rasm text table bolishi mumkin o'qigan narsani returun qilishim kerak
Savol muallifi: A'zamxon
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Javob: ularni file kengaytmasiga qarab tekshirib alohida o'qb olasiz hammasiga bitta Universalnisini bilmiman
Javob muallifi: Husanboy Sobirjonov
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#savol_60 #javob_berildi
Assalom aleykom.

Apiga bolganib shu malumotlarni ob kelishim kerak, manga shunaqa malumotlar listi keladi, kelayotgan malumotlardan faqat 4-5 ta fieldini olishni imkoni bormi, yani kelayotgan obyektga oxshab javada huddi shunday obyekt yaratmasdan turib Listni ichidagi har bitta obyektni 4-5 ta fieldini olishni imkoni bormi
Savol muallifi: To'lqinov Sarvar
Rasm 1
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Javob: class ochib kerakli field larni ochasiz kerak emaslarini ochmaysiz. Bu nima uchun kerak: siz qanday parametrlar bilan ishlayotganizni bilib turasiz nimadur shartlarga tekshirish kerak bo'lsa muammosiz tekshirashiz kelayotgan jsonni class ga o'girmasdan ishlash yaxshi usul emas
Javob muallifi: Gayratjon Rayimjonov
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#savol_61 #javob_berildi
Assalomu alaykum men proyektimga swaggerni qoshgandim hozir https://localhost:8081/swagger-ui.html#/ shu url bilan murojaat qilsam consolega 2022-03-17 18:04:29.941 WARN 6096 --- [nio-8081-exec-1] o.s.web.servlet.PageNotFound : No mapping for GET /swagger-ui.html shu chiqyapti swaggerni versiyasini ham 2.9.2 qoydim baribir xatolik chiqyapti
Savol muallifi: Mukhammad Azizov
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Javob: WebMvcConfigurer yaratganmisiz
Javob muallifi: Gayratjon Rayimjonov
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#savol_62 #javob_berildi
Telegram bot qanday qilib guruhga kelgan messagni ichida link bormi yoki yoqligini qanday qilib tekshiradi, agar foydalanuvchi link bor xabar yuborsa shu xabarni o'chirib yuborish kerak
Savol muallifi: To'lqinov Sarvar
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Javob: Kegan message da https http www wulani tekwrin contains bosa delete message qvorasz
Javob muallifi: DaVRoNBeK
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#savol_63 #javob_berildi
Assalomaleykom xammaga

2022-03-19 20:49:02.813 WARN 14456 --- [nio-9090-exec-1] n.n.u.t.expressions.ExpressionProcessor : Fragment expression "_layout" is being wrapped as a Thymeleaf 3 fragment expression (~{...}) for backwards compatibility purposes. This wrapping will be dropped in the next major version of the expression processor, so please rewrite as a Thymeleaf 3 fragment expression to future-proof your code. See https://github.com/thymeleaf/thymeleaf/issues/451 for more information.


thymleaf ishlatganda shunaqa error bovatti bu nimadan bolishi mumkin qaysidur tagni xato yozdimmikin ozim topolmadim javobini
Savol muallifi: Shaxzodxoja
Rasm 1
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Javob: https://www.baeldung.com/spring-thymeleaf-fragments

shuni bir o'qib chiqing
Javob muallifi: Ilyos Khurozov
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#savol_64 #javob_berildi
assalomaleykom xammaga bitta pageda shunaqa muammo bovatti resourcelani load qilomotti lekin boshqa huddi shu bilan birxil bogan bitta packagedagi page ishlavotti buni nima qisam boladi adashmasam resource fayllarni kormotti ilojisi bosa ozgina maslahat bervarila
Savol muallifi: Shaxzodxoja
Rasm 1
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Javob: layout faylda linklarni xammasini th:hrefda yozish kerak ekan man oddiy hrefda yozib ketganim sabab ishlamaganakan
Javob muallifi: Shaxzodxoja
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#savol_65 #javob_berildi
Assalomu alaykum.Yaxshimisizlar? Savol bor edi. Websocket da chat qilayotgan edim. Shunaqa xatolik chiqyapti. Spring securitydamas. Qanday CORS ni o`chirib qo`ysa bo`ladi?.
Savol muallifi: JALOLIDDIN
Rasm 1
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Javob: Main classda bean ham qoshasiz
Javob muallifi: Murtazayev
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#savol_66 #javob_berildi
Failed to initialize JPA EntityManagerFactory: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.exception.GenericJDBCException: Unable to open JDBC Connection for DDL execution
Шу хатони нима килса булади ?
Savol muallifi: Akbar Bakhtiyarovich
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Javob: булди рахмат PostgrSQL да базани ручной создать килудим ишлади
Javob muallifi: Akbar Bakhtiyarovich
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#savol_67 #javob_berildi
spring frameworkdan foydalanib tuzgan botimni herokuga deploy qilayotgan edim shunday muammo bo'lyapti
Savol muallifi: 𝙸𝚃.𝙰𝚍𝚖𝚒𝚗
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Javob: default holatida java 8 bo'ladi. o'zgartirish quyidagi articleda:
https://devcenter.heroku.com/articles/customizing-the-jdk
Javob muallifi: Ilyos Khurozov
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#savol_68 #javob_berildi
Assalomu alaykum. Bazadan shu query orqali ma'lumot olib kelishda undan kelgan natijani biror klassga o'girib olsa bo`ladimi? Bo`lsa qanday.
select title, description from journals where journals_status='PUBLISHED' AND parent_id is null.
Savol muallifi: JALOLIDDIN
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Javob: public interface CustomJournalDirections {
String getTitle();
String getDescription();
}

shunaqa interface yaratib jpa ni qaytadigan metod tipiga korsatas
Javob muallifi: Shavkat T
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#savol_69 #javob_berildi
Springda dto orqali yangi object yaratganda paytdam men dtoga javax.validation.constraints.NotNull; anatatsioyasini qollasam va oject yaratyotganda atay dto filtlaridan birini null berivorsam qandayu exeption tashaydi va bu exeptionni boshqara olamanmi?
Savol muallifi: Akhmedov_Dilshodbek
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Javob: @ExceptionHandler(value = {MethodArgumentNotValidException.class}) public ResponseEntity<ApiResult<ErrorData>> handleException(MethodArgumentNotValidException ex) { List<ErrorData> errors = new ArrayList<>(); List<FieldError> fieldErrors = ex.getBindingResult().getFieldErrors(); fieldErrors.forEach(fieldError -> errors.add(new ErrorData(fieldError.getDefaultMessage(), fieldError.getField(), RestConstants.REQUIRED))); return new ResponseEntity<>(ApiResult.errorResponse(errors), HttpStatus.BAD_REQUEST); }
Javob muallifi: SIROJIDDIN
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Savol berish uchun @spring_framework_savo

#savol_70 #javob_berildi
Assalomu aleykum yaxshimisizlar.
Menda savol bor edi.
Qandaydir yolga murojaat qilganda har hil xato qaytaradiku masalan 500 oshanda qanday qilib xato ga qoshib message yubosa boladi.

Masalan Book degan entity ni ichida author(aftor) bor
agar men authorni delete qilmoqchi bolsam 500 qaytartyapti sababi u aftor bilan Book ulangan,
Shu xatoga qoshib message ham yuborsam boladimi?qanday?
Savol muallifi: Sardorbek
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Javob: controllerda servisni try-catch qilasiz, error bo'lsa

return ResponseEntity.badRequest().body("Xatolik bo'ldi");
Javob muallifi: Abdulvahid
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