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QUESTION
I am using spring-boot 2.2.7.RELEASE
In the controller I want to get some values from external config file. But the application does not start even though the properties are available in the external config.
could you suggest how to load only specific properties from external config.
NOTE: I also tried spring.config.additional-location, and it is not working
Thanks
Controller
...ANSWER
Answered 2021-Jun-15 at 10:31As per documentation, SpringApplication converts any command line option arguments (that is, arguments starting with --, such as --server.port=9000) to a property and adds them to the Spring Environment.
-D works when running via maven. Try: java -jar application.jar --spring.config.location=file:///C://your//path//config.yml.
Via maven: mvn spring-boot:run -Dspring.config.location="file:///C://your//path//config.yml"
QUESTION
I have a REST API which receives a POST request from a client application.
...ANSWER
Answered 2021-Jun-14 at 14:28Your current flow does not return a value, you are simply logging the message.
A terminating .log() ends the flow.
Delete the .log() element so the result of the transform will automatically be routed back to the gateway.
Or add a .bridge() (a bridge to nowhere) after the log and it will bridge the output to the reply channel.
QUESTION
i have an error that i just dont find a solution for. I created a little messenger thingy in flutter and have a problem when using a NetworkImage inside one of my chat bubbles.
When i send the image as message, it is displayed without problem in the bubble. Also when i send multiple images, it is no problem and they extend beyond the screen and i can just scroll up and down without any problems.
Though when i reopen the room screen and there are multiple images and they extend over the visible screen i get _CastError (type 'Null' is not a subtype of type 'List' in type cast) from network_image dart file. BUT this only happens after a hot restart. If i just navigate back and then reopen the room screen its also all fine, but as soon as i hot restarted once i always get the error when trying to open a room, which has images extending the visible space.
Iam still kinda new to flutter, so i know my code sucks mostly but this time i just dont even find a "dirty" way to solve it.
Flutter 2.2.0 (beta channel)
Dart 2.13.0
On Android Emulator Pixel 4a API 30
Edit 1: i removed a lot to make it easier to read.
Edit 2: i found it to be somehow connected to using the downloadURL from Firebase Storage. When i replace the url with just some test png url it doesnt seem to be a problem.
...ANSWER
Answered 2021-Jun-14 at 11:07Ok, i kind of found the problem. I took the Firebase servertimestamp as variable for the filename in the Firebase Storage. That of course only resulted in the filename being
FieldValue(Instance of 'MethodChannelFieldValue')
Though i dont really understand why that was a problem, but now with a normal Datetime toString timestamp it all works perfectly fine. Maybe its some special character escaping in the generated downloadURL from Firebase Storage with this kind of filename.
QUESTION
I am trying to insert items in a list in a database as single values in rows with the name of the sender. I am able to send the payload and insert into a single row with the user detailst. How can I loop through the payload sent and insert all the items into individual rows? I have tried to look for examples no luck. So far I can only insert as a single row in the database
this is the payload
...ANSWER
Answered 2021-Jun-13 at 20:14Just send in a list of those values. Shouldn't have to be wrapped in a named field on an object. Just send it in as a json array like ["234568","234567","2345678","2344556","12335677","2345677","234556","234545"]. In your controller method, body don't pass it in as Dispatched but instead a List and then just loop through those creating a list of Dispatch objects and then using saveAll in the repository passing in the newly created Dispatched list.
Update: Example without actually compiling. Should be good enough for the example. Also using lombok to make it easier to read and a few other updates.
QUESTION
I am trying to insert items in a list in a database as single values in rows. How can I loop through the payload sent and insert all the items into individual rows? I have tried to look for examples no luck. I cannot loop and insert the values in the database.
this is the payload
...ANSWER
Answered 2021-Jun-13 at 09:01The error message indicates that your getter dispatched.getRorlabsigned() does not return a Collection. It returns a single String instead. You can't loop over a String using foreach. I guess you need a Set there. Try to refactor that part of your code.
QUESTION
I am invoking the CommandGateway.send method from my rest controller but the control is not going into the Aggregate class and after 5 mins 500 internal server error is coming. When i debugged the application I found the below error is thrown by Axon ->
AxonServerRemoteCommandHandlingException{message=An exception was thrown by the remote message handling component: , errorCode='AXONIQ-4002', server=''}
Below are my Java files :
The Rest controller ->
...ANSWER
Answered 2021-Jun-12 at 12:40This is resolved. I had to exclude the axon-server-connector dependency from the below axon-spring starter
QUESTION
I have a project where I am currently loading the records from the excel file to the database using from org.apache.poi
I have 3 kinds of files that I am loading into different Dto classes. Two of these dtos shares the same base class (they have common attributes)
...ANSWER
Answered 2021-Jun-12 at 01:22In general you can go with something like this:
QUESTION
My goal is to get the HttpStatus from a Spring WebClient request. All other information of the request is irrelevant.
My old way of doing this was:
...ANSWER
Answered 2021-Jun-11 at 21:54This problem can be solved with the method exchangeToMono. This results into the following snippet.
QUESTION
I have created the Spring Security configuration as it's below:
...ANSWER
Answered 2021-Jun-11 at 12:43I think you should add @EnableGlobalMethodSecurity(prePostEnabled = true) annotation to your security config to be able to use hasAuthority() method.
QUESTION
I am trying to create my first project movie repository using Spring Boot + RestAPI + JPA + CrudRepository +MySQL.I am getting huge stack trace which is very difficult to understand.
Entity class:
...ANSWER
Answered 2021-Jun-11 at 07:41Remove the below method within the repository interface. The JPA has only find…By, read…By, get…By, query…By, search…By, stream…By.. and so on.
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