I have Entity object : And I have database view defined like this: And I have repository with custom query: Everything works fine when I request standard data with url: http://localhost:8080/someEntity/search/findBySomeParameter?parameter=25&page=0&size=20 But when I add sorting information it doesn’t work: http://localhost:8080/someEntity/search/findBySomeParameter?parameter=25&page=0&size=20&sort=entityFieldName,asc will throw following exception (I’m using Oracle database): It seems like sorting field are not translated with @Column(name), but
Firebase database Data Retrieve getter error
I was trying to get some data from my Firebase realtime-database as followed generally, but I couldn’t figure out where in the code the problem was. The code is attached: I also use getter: database image here xml all allmedicine find_medicine xml Answer Change your query to – And according to firebase doc – The class has an empty constructor,
Free space regex option (Pattern.COMMENTS) not working as expected
I’m trying to detect profanity using regex. But I want to detect the word even if they’ve spaced out the word like “Profa nity”. However when using the “(?x)” option it still doesn’t want to detect. I currently got: I’ve tried using http://www.rubular.com to debug the expression with not luck. If it helps in any way it’s for at Teamspeak
Get Bitmap using a Target in Picasso
I’m working on movies Android app which get list of movies from an API which provides a poster path for all movies. I want to get the image as Bitmap from the image’s URL to save it as a Bitmap variable in the model class. I want to save the image as blob in the DB to retrieve it directly
Docx to Pdf Converter in java
The below code is not working with Apache poi 3.16. Can someone provide with the correct solution, in my project there are some dependency for using only Exception: Answer The main problem with this is that those PdfOptions and PdfConverter are not part of the apache poi project. They are developed by opensagres and first versions were badly named org.apache.poi.xwpf.converter.pdf.PdfOptions
Minimum Spring version compatible with Java 11
I need to upgrade an app to Java 11 very soon, I was wondering what’s the minimum Spring version that is compatible with Java 11. I’m currently using Java 8 and Spring 4.2.7. Answer From their task tracker — SPR-16391:Compatibility with JDK 11. The compatibility of JDK 10, 11 is planned along with 5.1 GA release. JDK 11 is currently
Incompatible Java Versions for WindowBuilder
I Installed WindowBuilder on Eclipse to create a Graphic User Interface for a program. When I go to the ‘Design’ tab the following error appears: Eclipse is running under 1.8, but this Java project has a 10 Java compliance level, so WindowBuilder will not be able to load classes from this project. Use a lower level of Java for the
Create jre from OpenJDK Windows
We are switching from Oracle JDK/JRE to OpenJDK. Now I found only the JDK but I want to have a JRE as well from OpenJDK. This is for installing our application on the clients without the need of having the full JDK. Is there a way to create a JRE package from the OpenJDK for Windows X64? Answer Inspired by
How to override Lombok Setter methods
I’m using lombok in my project and generation Setters and Getters using @Setters and @Getters annotations on top of POJO class. I’m trying to override setters method of a property but it’s not working I want to check if JSON property is Empty or Null i want to set default value in Setter method Working scenarios: Failed Scenario : Output:
Refresh access_token via refresh_token in Keycloak
I need to make the user keep login in the system if the user’s access_token get expired and user want to keep login. How can I get newly updated access_token with the use of refresh_token on Keycloak? I am using vertx-auth for the auth implementation with Keycloak on vert.x. Is it possible to refresh access_token with vertx-auth or Keycloak’s REST