In the app I’m using the following sample to load an SVG image into ImageView: An ImageView in xml looks like this: So, the problem can be seen on the image below. The right icon was set from app’s resources, while the left one is loaded from server using Glide. For some reason image is not scalin…
Exception in thread “main” java.lang.NoClassDefFoundError: org/apache/hadoop/tracing/SpanReceiverHost
I am running Hadoop 2.8.1 and Hive 2.3.0 I am tring to read values from an a table created in Hive and the current exception is And here is the code that I have used to read the tables And here it is the Pom file that I have used org.apache.hive.hcatalog hive-hcatalog-core 2.3.0 org.apache.hive.hcatalog hive-…
Error: log4j-api-2.9.0.jar is a multi-release jar file but –multi-release option is not set
Exploring the maven-jdeps-plugin:3.1.0 with Java9 using the following minimal pom.xml:- On executing I end up getting a detailed error that reads the following:- I couldn’t find much relevance related to –multi-release flag in either jdeps:jdkinternals goal detailed on Maven’s official site …
How to serve files/PDF files the reactive way in spring
I have the following endpoint code to serve PDF files. How can I convert above into a reactive type Flux/Mono and DataBuffer. I have check DataBufferUtils but It doesn’t seem to offer what I needed. I didn’t find any example either. Answer The easiest way to achieve that would be with a Resource. …
Spring Security: Simple Encryption / decryption not working: InvalidKeyException
I’m trying to write a very simple program to encrypt and decrypt a string: But for some reason I never get an encrypted value. When I call enryptor.encrypt() it never reaches that point. I’m getting the following exception: What am I doing wrong? Answer Ok, after hours of searching I finally found…
Java Arrays/Loops
Hi i saw this question online and i was trying to solve it but i just could not understand how the answered was determined. The answer is 1 which i have no idea how or why is it 1. Wonder if anyone is kind enough to explain why is the answer 1. Answer The code block inside the if swaps
Tizen Install on Windows 10 will not recognize JDK 9 installed
I am attempting to install the 64-bit version of Tizen SDK on my Win10 Home Laptop. However, every time I get the error that I either don’t have java 8+ installed or that the JAVA_HOME environmental variable isn’t set right. Now I’ve read other questions on this, and I’ve set the JDK d…
What version of JPA am I using?
I’m using in a apache-tomcat-8.0.41 web service. In this link they say “Hibernate EntityManager implements the programming interfaces and lifecycle rules as defined by the JPA 2.0 specification” https://docs.jboss.org/hibernate/entitymanager/3.6/reference/en/html_single/ But it’s for t…
SQS FIFO Using MessageGroupId to receive message
How do I use the messagegroupid parameter to only receive queue messages tagged with the id I need? I’ve been trying to use the line below to retrieve but it will always receive all the queue messages from other group id as well. List<Message> messages = sqs.receiveMessage(receiveMessageRequest.wi…
FF4J does not flip when using AOP annotation @Flip in spring project
I’ve injected ff4j following example. Ff4jConfiguration.class: and application loader was also changed: my ff4j.xml: My bean to verify ff4j In runtime I see ff4j bean injected correctly with correspond properties: I expect method log2 will be never called, but it is (All used methods were called, none i…