richard@linux-mint:~$ flutter doctor -v [✓] Flutter (Channel stable, 3.24.5, on Linux Mint 22 6.8.0-38-generic, locale en_US.UTF-8) • Flutter version 3.24.5 on channel stable at /home/richard/snap/flutter/common/flutter • Upstream repository https://github.com/flutter/flutter.git • Framework revision dec2ee5c1f (2 weeks ago), 2024-11-13 11:13:06 -0800 •…
In my springboot project, I use com.fazecast.jSerialComm to scan serial port. It successfully to scan my hardware device in COM4. However, It fail to scan this com port in docker , even I add device /dev/ttyS3:/dev/ttyS3 in my docker compose…
When I call the @CachePut function, I get the error: org.springframework.expression.spel.SpelEvaluationException: EL1007E: Property or field 'universalId' cannot be found on null. universalId is one of the fields of CreateAccountRequest but it could not find and could not generate key in…
When I try to upload files to S3 from storage via an application deployed on the stand with a file size of 1mb and above, I get an error com.amazonaws.SdkClientException exception: The HTTP request cannot be executed: The peer resets…
I am trying to connect to my aws s3 client using roleArn instead of static secretKey and accessKey for the roleArn i created Trust relationships: { "Version": "2012-10-17", "Statement": [ { "Sid": "", "Effect": "Allow", "Principal": { "Service": "s3.amazonaws.com" },…
Problem in calculating the age of majority of a student in Spring Boot I have a Student class with the following attributes: package com.example.estudantes.model; import jakarta.persistence.*; import lombok.Getter; import lombok.NoArgsConstructor; import lombok.Setter; import java.time.LocalDate; import java.time.Period; @Entity @Table(name = "students")…
I have an entity that looks like this @Entity @IdClass(AId.class) class A { @Id private String userName @Id @NotNull @JoinColumn(name = "location_id", referenceColumnName = "id", nullable=false, foreignKey = @ForeignKey(name = ...)) private Location location; private String userInformation; } The class…
I am currently working on a Java project using Visual Studio as my development environment. However, I have encountered an error in my code that I am struggling to resolve on my own. Despite my efforts to debug and analyze…
I have a table that looks like this: id A B 1 A1 B1 2 A1 B2 3 A2 B2 4 A2 B3 Then I have a list of items for which I want to find the corresponding database rows.…
I'm working on a SpringMVC project. my jsonController.java: @RequestMapping("json1") @RestController //= @Controller+@ResponseBody public class jsonController { @RequestMapping("user") public User data(){ User user = new User(); user.setAge(22); user.setName("kt"); return user; } } my mvcConfig.java: @EnableWebMvc @Configuration @ComponentScan(basePackages = "com.atguigu.json") public class…