Category "java-8"

TLSv1.2 on tomcat jdbc connection

My project setup uses mssql, tomcat9.0.59,java 1.8_322 and MSSql driver is mssql-jdbc-10.2.0.jre8.jar. TLS 1.2 is enabled database server, after patching. Quest

TLSv1.2 on tomcat jdbc connection

My project setup uses mssql, tomcat9.0.59,java 1.8_322 and MSSql driver is mssql-jdbc-10.2.0.jre8.jar. TLS 1.2 is enabled database server, after patching. Quest

run specific queue on new service in GAE java8 standard environment

We have a project which is setup on GAE with java8 standard environment and the app runs on default service. Now I would like to add a new service to the app so

Get Count of json key using Java Stream

I have a json object that looks like this [{ "startAt": 1617605301292, "endAt": 1617605317095, "duration": 1580

Error: Unable to access jarfile /snap/vue/1/jar/vue-1.0-SNAPSHOT.jar when creating vue.js project

I used below command to create new vue.js project. sudo vue create my-app but it gives following error Picked up _JAVA_OPTIONS: -Dswing.defaultlaf=com.sun.ja

java -version does not change

I am having trouble changing the version of java running on my Mac running Big Sur 11.2 with zsh. I want to set Java 1.8 as my default, so I used the following

How to map elements to their index using streams?

I get a stream of some custom objects and I would like to create a map Map<Integer, MyObject> with index of each object as key. To give you a simple examp

filter objects based on an ID and Date Java

I have a class that for which each instance has a unique Id, a name and update date. ID NAME UPDATE DATE 1200 ANNA* 2022-03-01 1300 JONH* 2022-04-01 1200 ANNA*

How to register TestExecutionListener in Junit 5 and detect if all tests are executed

Hi I am trying to implement integration test using JUNIT 5 as a framework and we just want to start all the process once before all the test are executed and st

Docker: Can't read class path resource from spring boot application

Reading a classpath resource as, try { final ClassPathResource classPathResource = new ClassPathResource(format("location%sGeoLite2-City.mmdb", Fil

Java 8 Performance Issues In Windows Server 2019

I have recently migrated some scheduled jobs from a Windows Server 2012 virtual server to a new Windows Server 2019 virtual server, and have noticed some notabl

Custom sort order on a Spark dataframe/dataset

I have a web service built around Spark that, based on a JSON request, builds a series of dataframe/dataset operations. These operations involve multiple joins,

Parallelism with Streams created from Iterators

Experimenting with streams I ran into the following behavior which I don't quite understand. I created a parallel stream from an iterator and I noticed that it

Get the extension from a MimeType

I want to get the extension from a MimeType. For example: video/mp4 ----> mp4 application/x-rar-compressed ----> rar text/plain

How to handle the mouse wheel scrolling event using JavaFX?

Just need to get some numeric equivalent, which will show how much the wheel is scrolled. I managed to find an example only using awt/swing: Java Docs P.S. So

java 8 stream for double loop and change the value in first loop

i have nested loop to loop and change the first list based on condition below. this works fine. its like if cardNumber in firstList same or found in secondList,

java 8 stream for double loop and change the value in first loop

i have nested loop to loop and change the first list based on condition below. this works fine. its like if cardNumber in firstList same or found in secondList,

How to log a message if a stream is empty within the Stream?

Given the following Java 8 Stream: scheduleService.list().stream() .filter(Schedule::getEnabled) .filter(this::runn

Getting memory leaks with okhttp

When I make a get request to an API, over and over again I see that every request the memory goes up and up until 1gb of ram usage. closing the response and au

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Public Key Retrieval is not allowed

I have a spring boot project running on java8 after I installed mysql8 server and tried to connect I am getting the error com.mysql.jdbc.exceptions.jdbc4.MySQ