Issue I have got a class which contains the following: slider.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent e) { // creating font object and store textarea value font Font font = area.getFont(); // setting size from getting slider value float size
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[SOLVED] java.lang.NoSuchMethodError: java.lang.String.isEmpty()Z
Issue I have encountered the error: java.lang.NoSuchMethodError: java.lang.String.isEmpty()Z The installed java version on my pc is 1.8.0_91. The funny thing is, that this error does not occur on my pc, but on other pc’s I tried to run my program.
Continue reading[SOLVED] Upload Excel file using servlet for temporary use, Java Eclipse
Issue I am trying to upload an excel file using servlet on Tomcat server using Eclipse IDE. I have written the following code to take the file via an HTML form. There are no errors on the program but the
Continue reading[SOLVED] Reading Excel File Column in Java
Issue I have a sample of Excel data that needs to be read and store in the database. Example: Code | BO1 | BO2 | BO3 | ….. 10001 | 200.00 | 400.00 | 0.00 | ….. 10002 | 0.00
Continue reading[SOLVED] package org.apache.poi.xssf.usermodel does not exist
Issue I have an application that stores data of a train seat booking system. I’m using apache poi to read and write the data to an excel file. Apache-poi version: 5.2.2, 5.2.3 (downloaded from this link) //import org.apache.commons.lang3.ArrayUtils; //package org.apache.commons.lang3;
Continue reading[SOLVED] mongodb not returning the integer, mappingexception
Issue Im trying to return an integer using mongo repository, the value i want to get is the id, below is the mongo query being used to extract the id field from the database as an integer package com.example.messagestomongodb.repository; import
Continue reading[SOLVED] conditional repository injection – Spring Boot
Issue I Have two repository interfaces that connect MongoDB and CouchBase : public interface UserRepositoryMongo extends MongoRepository<User, Long> { } public interface UserRepositoryCouch extends CouchbasePagingAndSortingRepository<User, Long> { } Is there a way to interchangeably @Autowire these repositories into UserService on
Continue reading[SOLVED] Why filtering does not work with Spring Boot and MongoDB
Issue Why filtering by import_created_at does not work? I have a Spring Boot Application and MongoDB as database. I have Mongo collection items and 2 documents there: { "_id": { "product_id": "11", "contract_id": { "$numberLong": "1" } }, "contract_id": {
Continue reading[SOLVED] Pubsub message with reactive panache monogodb failing to create ReactiveTransaction with session is null error
Issue I have a quarkus project connecting to monogdb using reactive panache. I would like my method to be wrapped in a transaction and my current code looks roughly as follows: @Traced @ApplicationScoped @Startup public class MyReceiver implements com.google.cloud.pubsub.v1.MessageRecevier {
Continue reading[SOLVED] Get a filtered list of objects defined inside a MongoDB document
Issue I work with Spring Boot and MongoDB. I am looking for a solution to get a list of hobbies but not all of them. The hobbies have to meet the conditions (name or description have to include searched phrase).
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