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Why my query return empry list and gives no error? Java Spring Jpa Repository


Here is my entity class: package com.test.model; import java.sql.Timestamp; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax….

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How to specify, which resource file to be used while running?


I wants my application to be in both Hindi and English language, so I have created a ResourceBundle named as Resources. In this directory I have create label.properties,label_en_US.properties and …

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Grouping list of object by a field & applying binary function in one of the field to reduce it by sum in one line of code using stream java 8


Let’s take for an example I have list of transaction which contains txnId, paymentCode, amount. Output should be each payment code wise how much amount collected. I tried to group it based on payment …

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Jetty 11 and commons-fileupload


I am updating Jetty9 to Jetty11. I updated my package from javax.servlet to jakarta.servlet because servlet 5.0 is the prerequisite for Jetty11. but the problem is when I am using commons-fileupload`-…

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Corrupted TAR File Error Upon Access From Google Cloud Storage in Java


I am storing a TAR file in Google Cloud Storage. The file can be successfully downloaded via gsutil and extracted in my computer using macOS Archive Utility. However, the Java program that I implement …

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SQL Error Invalid column when using java servlet [closed]


This is my main page Main_page and for some reason I can search list by title, but I cannot get all list. The button param is readable as I’ve already checked. This is my code for getting all book the …

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Non-Redundant Hibernate List-Mapping (OneToMany)


In a database there are “pastries”. A pastry has zero, one, or many allergens. Hence I’m using a list in Pastry with @OneToMany relation. Now, with this way of managing the relations, we get …

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selenium java load image in for xlink:href attribute


I am trying to load images in one website, but I didn’t succeed, This is the Source Code when pressing F12

<div class="…

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Receiving Cannot get a NUMERIC value from a BOOLEAN cell when exporting XML map


I have a workbook with an XML mapping defined (I am using POI 4.1.2). A mapped cell contains a formula which evaluates to boolean: =AND(B70=””;B71=””; B50=”No”) I try to …

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Send an response 200 from a Spring boot controller for asyncronus processing


I have a scenario: I’ve a controller. My controller is calling the service class.Service class will fetch all the records from data base and post it to kafka.But I don’t want my client who is calling …