Background I have the following JSON (message from Kafka) I have the following (JSON schema generated) POJO (I cannot change the POJO as it is shared resource in the company) Our application is a Spring Boot application which reads the JSON message (1) from Kafka using Spring Cloud Stream and uses the POJO (2…
JOOQ MySQL DATETIME Type
I’m trying to generate this simple SQL with JOOQ and for some reason I can’t get it done. I want the following code to be generated for MySQL databases. I expected it to be something like Unfortunately, MySQLDataType is deprecated. JOOQ explicitly says to only use types declared in SQLDataType, bu…
How to hide the password in the command “java -Djasypt.encryptor.password=somepassword -jar name.jar”
I am using Jasypt encryption and specifying the property value within ENC() in the properties file. The decryption password is sent through the command-line argument like this java -Djasypt.encryptor.password=somepassword -jar name.jar. Everything is working fine but the problem is when I search for the runni…
RecyclerView adapter not working with groupie
I tried to add groupie adapter to my recycler view as shown in the code below. However when i run my application, i get a compiler error saying my reyclerview cannot be null (because of kotlin null safe feature). I cant figure out why this adapter is not working. I know the problem is in the line : Here’…
Java Project in VS-Code, “No delegateCommandHandler for vscode.java.validateLaunchConfig” Error
I’m new to Java in Visual Studio Code and trying to implement small application, which is using our SDK, which is located in our internal Git Repository. When trying to Debug my application I get following Error: No delegateCommandHandler for vscode.java.validateLaunchConfig My Configurationfile looks p…
Dynamically choosing which class to create object of from json
I have an interesting problem that I’m having trouble coming up with a clean solution for. My application reads collections of json objects that it needs to deserialize to this or that class type based on a field in the json itself. I have no control over the json structure or how it gets to my applicat…
swap each element with its neighbour element in an array
I need to write a program. This method will take integer array as input and return array where each value is swapped with its neighbour element. In case the array has odd count, then last element is not swapped. Result: I tried using nested for loops but didnt get it Answer Where is the code you tried so far …
Elasticsearch TransportClient connection [Java]
I am using Elasticsearch in a Java Project using Maven: When I try to initialize a TransportClient in order to index a document it gives me the error: Maybe a need to add more information in config/elasticsearch.yaml about transportartion or the current configuration is wrong. Java code: elasticsearch.yaml: (…
TextView setContentDescription not working
I’m trying to set the contentDescription on a TextView but it doesn’t seem to be announced by TalkBack. TalkBack is only vocalizing the text content. The second line above has no effect. TalkBack says, “2d 9h left”. I’ve also tried the following: but this results in TalkBack anno…
How to create dynamically class in Android
In my application, I should use Material Stepper and for this, I want to use this library : https://github.com/ernestoyaquello/VerticalStepperForm But I want to add this dynamically from server. For connecting with server I used Retrofit library and I should check the type of items from server. when this type…