I use the @StreamListener annotation to listen to the topic. How can I add a field from body to the condition? An example of an entity that is sent to the topic: Answer As you can see from version 3.0, you should avoid using filtering based on the message payload. Notice these lines from the documentation: Th…
Tag: java
antMatchers() is not working , and gives forbidden error
I have an end-point called authenticate , this endpoint is given to antMatchers(“/authenticate”) to skip authorization for this end-point, but it still checks for the authentication. code: Answer I have an update regarding the issue. In my case, I had a problem with a function singWith() that was …
Elasticsearch 7 – query with raw JSON of Kibana
Recently I’ve started using the Elasticsearch (7.6.x) with Java backend (I’m pretty much a beginner in ES) and I have a general question, I’ve searched for that but didn’t find an answer: My workflow goes like this: I open kibana’s dev tools console and come up with a query to se…
JOOQ Forced types to convert a BigInteger to BigDecimal for POSTGRES
for a Table , lets say myTable, I have a column myColumn.. the default JOOQ generation creates myColumn as BigInteger, I want to create it as BigDecimal. This is the converter I am using. How should be the forceType configuration look like in the XML file? Answer The reason why your columns are generated as B…
Kafka Connect Error : java.lang.NoClassDefFoundError: org/apache/http/conn/HttpClientConnectionManager
I’m using docker with kafka and clickhouse. I want to connect ‘KsqlDB table’ and ‘clickhouse’ using ‘kafka connect’. So I referred to this document and modified ‘docker composite’. here is my docker-compose And This is Dockerfile-kafka-connect And I typed …
Trying to resolve ClassNotFound error when running program using OrmLite
I am trying to use OrmLite to connect to a SQLite database (not android). I have read the docs and I believe that my code is correct but I am getting a runtime error when trying to run. I am using Maven to import the dependencies. Here is my code: Here is the dependency section of my maven POM file:
Logging access to Java servlet
I’m currently developing a Java Web application using Servlets. What I need to do is log to a file every access made to the website. To do that, I used Filters. So far, I’ve made it to the point where I can print everything to the console. What I now need to do is store that into a file with
How can I compare with ‘>’
I am working on a program using package for the FTC robotics tournament. My issue is with import com.qualcomm.robotcore.util.ElapsedTime; The variable runtime does not compare with an int as it is a Type ElapsedTime. I have tried just about every thing I could find and it either results in a compile or runtim…
Finding path through DAG with a total path cost equal or as close as possible to some value
I am working on a problem that I have generalised to what I have described in the title. Essentially I have a DAG that will look something like this: (I know it doesn’t matter what the DAG looks like I just thought it might show where I am at). I’ve drawn the vertex values as the edge distance (or…
Intent with multiple if statements
I am learning the concept of Intents and the application I am working on crashes when I try to go from any other intent that’s not “Arabica” intent, the intent object is fired on onItemSelectedListener on a spinner. I want to make it so that when the user selects the other options on the spi…