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spring boot - PrincipalExtractor and AuthoritiesExtractor are not getting called
    I have a simple OAuth2 application. I started off by creating a SecurityConfig extending WebSecurityConfigurerAdapter and annotated ... "); } } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring webflux - who calls subscribe on Flux or Mono in reactive webapplication
    I am looking at some examples of reactive web applications and i am seeing them like this @RequestMapping(value = ... return Mono/Flux types? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - How should I use .tasklet() / .chunk() to finish job succesfully?
    I use Spring Batch for cloning table from source to target database. The job is started manually from service layer ... ()).build(); } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - Caused by: java.lang.ClassNotFoundException: org.dom4j.io.STAXEventReader
    I am developing a web service application but sessionFactory bean is not creating because of below error. I can't ... how to resolve this?? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - Reading a map from yaml in Java getting null
    I am getting a problem in reading my yaml through java, using spring. Let me show the code first ... dependencies. Warm regards, Pavan See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - Why my custom ClientHttpRequestInterceptor with empty response
    I have done the following for my custom logging interceptor public class HttpLoggingInterceptor implements ... original InputStream? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring boot - How to check two condition while using @ConditionalOnProperty or @ConditionalOnExpression
    I need to check that two conditions are satisfied on a YAML property file, while creating a bean. How ... annotation supports only one property? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring security http antMatcher with multiple paths
    I have the following spring security java config rule (with version 3.2.4) which works: http.antMatcher("/ ... java config to multiple paths? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring mvc - org.springframework.web.multipart.MultipartException: The current request is not a multipart request
    I am trying to send a multipart request to the server but i am getting the following exception HTTP Status ... ; return multipartResolver; } } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring boot configure multiple ActiveMQ instances
    I have requirement to move messages from queues on one ActiveMQ instance to another ActiveMQ instance. Is there a ... . Thanks in advance. GM See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring boot autoconfiguration with jdbc template autowiring dataSource issue
    I'm new to Spring and to J2EE in general. I'm having trouble using JDBC template with Spring Boot autoconfiguration. What I ... jar!/:7.0.57] at org.apache.tomcat.util.net.NioEnd...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - @JmsListener usage for publish-subscribe topic
    I am trying to create example for publish-subscribe based on @JmsListener annotation: https://github.com/lkrnac/book- ... . What am I missing? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring boot - Database not found, and IFEXISTS=true, so we cant auto-create it
    I am getting error after opening the h2 database console. I enter database name but it is showing database not ... auto-create it [90146-199] See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring boot - Accessing the application properties in logback.xml
    Is it possible to access application properties of spring boot in log back xml. application.properties dummy.property= ... if it will work. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - java.lang.IllegalStateException: No thread-bound request found, exception in aspect
    Following is my aspect: @Configurable @Aspect public class TimingAspect { @Autowired private HttpServletRequest ... any exceptions. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - What does this do: @RunWith(SpringJUnit4ClassRunner.class)
    What does this annotation do? When would I want to use it? When would I not want to use it? @RunWith( ... when/why I would use it? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - null client in OAuth2 Multi-Factor Authentication
    Complete code for a Spring OAuth2 implementation of multi-factor authentication has been uploaded to a file sharing site that ... and then typing mvn spring-boot:run 5.) launch...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - @Autowire default mode
    How does Spring @Autowire beans: byName or byType? If one is not possible, is a second trial done using another mode? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - Retry java RestTemplate HTTP request if host offline
    Hi I'm using the spring RestTemplate for calling a REST API. The API can be very slow or even offline. My ... exception-loops on my own? Thanks! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - org.hibernate.AnnotationException: No identifier specified for entity - even when it was
    I have the following configuration: <bean id="entityManagerFactory" class="org.springframework.orm.jpa. ... on this project. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - @Autowired HttpServletRequest vs passing as parameter - best practice
    Assume we have defined a controller class which has @Controller annotation only. Inside the class, we have defined ... which one is right. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - Proper way of streaming using ResponseEntity and making sure the InputStream gets closed
    One of our application leaks file handles and we have not yet found the cause for this. In the code I can ... practice code I should trade in ? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - Why does destroy method 'close' fail for JPAPagingItemReader configured with Java config?
    We are trying to convert our Spring-Batch jobs from XML configuration to Java configuration. We are using Spring ... but not XML configuration? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - How to change the content type in exception handler
    Suppose I have a controller that serves GET request and returns bean to be serialized to JSON and also provides an exception ... -----------+ See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring mvc - How to disable Redis Caching at run time if redis connection failed
    We have rest api application. We use redis for API response caching and internal method caching. If redis connection ... using Spring 4.1.2. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - Map JSON array of objects to @RequestBody List<T> using jackson
    I'm having issues using Jackson to map a Javascript posted JSON array of hashes (Tag). Here is the data ... obejcts of type 'Tag'? Thanks See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - Should service layer classes be singletons?
    I am using Spring framework. Should my service classes be created as singletons? Can someone please explain why or why not? Thanks! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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spring - EntityNotFoundException in Hibernate Many To One mapping however data exist
    I am getting javax.persistence.EntityNotFoundException error when I am trying to get User through Invoice object invoice ... User user; } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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