I need to read the input that is piped to my java program. This is a simple task but I couldn’t find it on the net. This is what I tried: First of all, is there a simpler way to do it (in java 11, or maybe with a library)? It seems like a lot of lines for such a
Exporting apache netbeans gradle project to jar file
I have created a Netbeans Gradle project, and I am trying to find the best way to export this to a .jar file so that it can be opened from outside the IDE. I am using dependencies within my project, and I was receiving a java.lang.NoClassDefFoundError. To resolve this, I tried adding to my build.gradle file. …
AWS Local DynamoDB The security token included in the request is invalid
I am new to AWS and I am trying to perform CRUD operation on Local DynamoDB from a Java program. The Java program is an AWS sample. I have AWS CLI installed and have set the following configuration – As per AWS documentation, I don’t need a real AWS access and secret key for Local DynamoDB. I have…
Why are there so many SessionFactoryImpl objects in the dump?
I have ~15,000 identical SessionFactoryImpl objects in my dump: One of the objects with incoming references: One of the objects with outbound references: I don’t have the following parameters …
Is ReactorDebugAgent suitable for production?
I read how to enable ReactorDebugAgent here: https://projectreactor.io/docs/core/release/reference/#reactor-tools-debug But I don’t know if it’s feasible to have such debug agent enabled by default on the production environment or only when something unusual happens? Answer The section name, as of…
Maven java project in Intellij IDEA 2019.3, JDK 11.0.3: Cannot resolve symbol ‘java’ but still compile
What I have: Intellij IDEA 2019.3, bundled JDK 11.0.3 A Maven project with project JDK: the bundled JDK My problem: For any java. imports I get the error Cannot resolve symbol … but I can still compile correctly. I’m totally aware that a lot of people already discussed this problem, and of course …
Constructor in a for loop
I’ve a beginner at java programming and I’ve been tasked at creating a database. The database is a bike store with a super class Bike and sub classes mountain bike, road bike. I also have a class …
Accessing Java ThreadLocal object from a class other than where it was declared
I’m declaring a ThreadLocal object and setting a value like below. Is there anyway to reference this numberThreaLocalObj variable outside of this class within the same thread? I’ve found some code the seems to clear ALL the threadlocals, but I just need to clear this particular Threadlocal variabl…
how do i fetch derived/calculated column from database view or Procedure in Spring Boot using JPA/Hibernate and use it along with predefined columns?
I am working on a project as am learning Spring Boot with JPA,Hibernate with Mustache as for templates. i managed to create a view with one calculated column which calculates an remaining days from issueDate and expiryDate. the view works fine and i am able to display all columns except the calculated column.…
Spring Data @Query use VARCHAR instead of NVARCHAR
The code that I posted is not the code that our companies uses, it is just example code to correctly illustrate the problem. I have the following Spring Data Query: For entity Customer: and Name: This works okay, but Spring data passes these parameters as NVARCHAR instead of VARCHAR. Therefore, the DB has to …