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Tag: java
Swagger is not working in Spring boot framework [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 12 months ago. Improve this question It …
How do I fix an error in Java which states that variable cannot be resolved?
I am developing a web application where there are different types of users stored in different tables of the database. I am trying to implement login validation, where the email and password are accepted. When I run the attached code, the error states that the variable rs1 cannot be resolved. I am a beginner …
How do you restrict custom ObjectMapper serializer to specific generic type
I would like to use a custom serializer for Maps, but only if they are <String, String> maps. I attempted to register a StdSerializer<Map,String, String>> following the advice in this post like so: My Serializer looks as follows: This works fine on Map<String, String> objects, but unfortu…
How to make JScrollPane dynamically scroll to the end after adding components?
Here is my code for the ScrollPane I tried to do getVerticalScrollbar.setValue(getVerticalScrollbar().getMaximum()) but it does not scroll to the end when I add JLabels to it. I’m trying to make it so that it will always scroll to the bottom of the screen once a new JLabel gets added to the panel. I din…
How to extract JSON from sql query?
My query looks like this: I want to retry the messages that failed, but the message is a json string and the offset is a regular string. I need to extract the json messages and the offset strings and then iterate through each row. How would I do this? RIght now I am doing something like this: //Service buildQ…
Container based LDAP authentication with Jboss and Spring boot
I’ve a simple API that returns a string. My objective is to secure my API using LDAP authentication. I’ve my LDAP configured in my JBoss EAP 7.1 under the security-domain. I’ve defined my security constraint in the web.xml and the corresponding security-domain in my jboss-web.xml This is my …
Sonar scan says Use try-with-resources or close this “Stream” in a “finally” clause
Sonar qube is giving me the following error: Use try-with-resources or close this “Stream” in a “finally” clause This is my code: How can I fix this error? Answer define and open your stream this way: Doing this, the system will automatically close the stream and you don’t need t…
Quarkus OpenApi adding x-tokenName extension to SecurityScheme in application.properties
I want to add the x-tokenName extension to the openApi security scheme component in quarkus using the application.properties file. I’am using microsoft as provider for openIdConnect, and therefore i got a response containing an access_token and a id_token. My configuration so far, look somehow like this…
Lambda expressions and anonymous classes don’t work when loaded as hidden classes
I am trying to compile and load dynamically generated Java code during runtime. Since both ClassLoader::defineClass and Unsafe::defineAnonymousClass have serious drawbacks in this scenario, I tried using hidden classes via Lookup::defineHiddenClass instead. This works fine for all classes that I tried to load…