spring-boot

问题 There is an existing api which is having the below code : @GetMapping(value = "/getAmount") public long getAmount(){ Date d = new Date(); long amountFetchedFromDb = callToDatabase(d); return amountFetchedFromDb; } Now I need to change the functionality as below: @GetMapping(value = "/getAmount") public long getAmount(){ Date d = new Date(); <CALL TO A NEW REST API PASSING IT THE DATE d AND THE NEW API WILL MAKE THE DB CALL AND RETURN THE AMOUNT> return amount; } Now, I have created a new rest

问题 I want to save some data coming from the request. for that, I created some entity classes. but why I et this exception? Error executing DDL "create table body_datum (body_datum_id integer not null, key varchar(255), value varchar(255), value_type varchar(255), primary key (body_datum_id)) engine=InnoDB" via Here are my properties. spring.datasource.url= jdbc:mysql://localhost:3306/loadtestdb?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC

问题 I recently learned that the proper way to shut down a Spring Boot application is this: public class Application { @Bean public ExitCodeGenerator exitCodeGenerator() { return new ExitCodeGenerator() { @Override public int getExitCode() { return 0; } }; } public static void main(String[] args) throws Exception { System.exit(SpringApplication.exit(SpringApplication.run(Application.class, args))); } } This should return an exit code of 0, or whatever I configure it to return in the getExitCode()

问题 I want to save some data coming from the request. for that, I created some entity classes. but why I et this exception? Error executing DDL "create table body_datum (body_datum_id integer not null, key varchar(255), value varchar(255), value_type varchar(255), primary key (body_datum_id)) engine=InnoDB" via Here are my properties. spring.datasource.url= jdbc:mysql://localhost:3306/loadtestdb?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC

问题 I have the following input as a Map<String,String> 1) MM dd yyyy = 08 10 2019 2) dd MM yyyy = 10 05 2019 3) dd MM yyyy = 05 10 2008 4) yyyy dd MM = 2001 24 01 I want to convert all this dates to "yyyy-MM-dd" format Currently, i am using for (String eachFormat : formats) { SimpleDateFormat simpleDateFormat = new SimpleDateFormat(eachFormat); try { SimpleDateFormat targetFormat = new SimpleDateFormat("yyyy-MM-dd"); Date inputDate = simpleDateFormat.parse(parsedDate.get(eachFormat)); return

问题 I have the following input as a Map<String,String> 1) MM dd yyyy = 08 10 2019 2) dd MM yyyy = 10 05 2019 3) dd MM yyyy = 05 10 2008 4) yyyy dd MM = 2001 24 01 I want to convert all this dates to "yyyy-MM-dd" format Currently, i am using for (String eachFormat : formats) { SimpleDateFormat simpleDateFormat = new SimpleDateFormat(eachFormat); try { SimpleDateFormat targetFormat = new SimpleDateFormat("yyyy-MM-dd"); Date inputDate = simpleDateFormat.parse(parsedDate.get(eachFormat)); return

问题 There are URLs I have put in my application.properties file. Now these URLs need to have the language so that the page loads in different languages. For example in my application.properties file I have a property for the Contact Us link as below contact_us_link=https://my-domain.com/{locale}/contact-us In the above link I need to use the current application locale so that if the locale is "en", the above property will become contact_us_link=https://my-domain.com/ en /contact-us How can I use

问题 I have the following input as a Map<String,String> 1) MM dd yyyy = 08 10 2019 2) dd MM yyyy = 10 05 2019 3) dd MM yyyy = 05 10 2008 4) yyyy dd MM = 2001 24 01 I want to convert all this dates to "yyyy-MM-dd" format Currently, i am using for (String eachFormat : formats) { SimpleDateFormat simpleDateFormat = new SimpleDateFormat(eachFormat); try { SimpleDateFormat targetFormat = new SimpleDateFormat("yyyy-MM-dd"); Date inputDate = simpleDateFormat.parse(parsedDate.get(eachFormat)); return

问题 There are URLs I have put in my application.properties file. Now these URLs need to have the language so that the page loads in different languages. For example in my application.properties file I have a property for the Contact Us link as below contact_us_link=https://my-domain.com/{locale}/contact-us In the above link I need to use the current application locale so that if the locale is "en", the above property will become contact_us_link=https://my-domain.com/ en /contact-us How can I use

问题 @Configuration public class SpringSecurityConfig extends WebSecurityConfigurerAdapter { @Autowired private AccessDeniedHandler accessDeniedHandler; @Override protected void configure(HttpSecurity http) throws Exception { http.csrf().disable() .authorizeRequests() .antMatchers("/", "/home", "/about").permitAll() .antMatchers("/admin/**").hasAnyRole("ADMIN") .antMatchers("/user/**").hasAnyRole("USER") .anyRequest().authenticated() .and() .formLogin() .loginPage("/login") .permitAll() .and()