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java.lang.NoClassDefFoundError: javax/el/ELManager
I’m working on a webapp in Spring using Spring Tool Suite. If I build and deploy the application there using the IDE onto the provided Pivotal tc Server, it works just fine. However, if I do a manual “mvn clean package” build and attempt to deploy it to a standalone Tomcat server (using newe…
How to get user id with Spring MVC?
I using the POST method for add Item to the database with Spring MVC. But each Item has field userId, it FOREIGN KEY to users table. Need to know user’s id for this. I using Spring security for auth. May be there is a possibility get current user’s id with ServletContext or HttpSession, may be spr…
Is there a way to disable Thymeleaf, or only enable for certain REST calls?
For instance, I have a basic POST that returns an html called “result” using Thymeleaf. This works and is cool. But I have another totally unrelated method, that does something different, and returns not a template. Naturally, I get an exception: because I’m intentionally not resolving a tem…
How to get the result of a job in another job in Flink? [closed]
Here is the situation.I have two data sources, a message queue and a MySQL table, which can be regarded as DataStream and DataSet respectively.I want to start a job based on DataStream to pull data …
Query DSL Q type classes not generated
I am trying to use QueryDSL in my eclipse maven project. These are the dependencies. After this I try to write the queries. But I get the error Note: ReportingParamDAO is an entity class. This means that the Q type class for my DAO is not generated. I am not sure why it wasn’t generated. Do I need to do
What is the purpose of a static method in interface from Java 8?
Why are static methods supported from Java 8? What is the difference between the two lines in main method in below code? As we can see above, I is not even implemented in B. What purpose would it serve to have a static method in an interface when we can write the same static method in another class and call
Maven not found in Jenkins
I am running my Maven/Spring project in Jenkins (just testing it out, first time) using the shell script option with: mvn spring-boot:run I get the build error: /Users/Shared/Jenkins/tmp/jenkins8087926087546049217.sh: line 2: mvn: command not found How can I fix this? Its a Spring-boot app. It works fine when…
Transform List into Map using only two keys and odd or even list indexes as values – Java 8 Stream
I would like to transform list into map using as key values only two string values. Then as values just list of strings containing elements from odd or even index positions from input list. Here is old fashion code: How to transform this code into Java 8 using streams to get this result? My current messy atte…
Android FATAL EXCEPTION at android.arch.lifecycle on Kotlin lang
i just try to convert my old android project in java to Kotlin and also add google Android Architecture Components to my project : and then when i run app faced with this errors : and this : how to fix that? thanks Answer By Updating LifeCycle Libs to Alpha 9 Problem Solved.