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I have a client that needs to POST a large number of large json files to a server. I've been able to get it working by reading each of the files into memory and posting the entire file with RestTempla...
I have main method in my java program, I want to store values in global variable because i want to access that values from different methods of the class, however I am not convinced to use static glob...
In Java 8 three memory barrier instructions were added to Unsafe class (source): /** * Ensures lack of reordering of loads before the fence * with loads or stores after the fence. */ void loadFence...
I have an M3U8 file located here: https://vcloud.blueframetech.com/file/hls/13836.m3u8 This video contains timed metadata every single second. My goal is to read this metadata from ExoPlayer. I curre...
I am trying to print a list of barcodes, data for which which will be sent to the JasperReports jrxml in a List of Strings. I am successful in printing the barcodes using barbeque format, but now I h...
I have the same issue from this question: RabbitMQ Connection reset. My code is in kotlin and from https://www.rabbitmq.com/ssl.html#java-client-connecting. val connectionFactory = Connection...
I am completely new to Wildfly/JBoss so i am clueless what to do, i am sitting on this problem since yesterday noon. I am trying to use the mysql-connector-java-8.0.20.jar as the connector and my Wil...
I have a java code that takes data from MongoDB and later creates an excel(.xls) containing this data using Apache POI but in a formatted manner. My final requirement is to mail the last worksheet i...
Is it possible to parse a delimited file and find column datatypes? e.g Delimited file: Email,FirstName,DOB,Age,CreateDate [email protected],Test User1,20/01/2001,24,23/02/2015 14:06:45 [email protected],...
My requirement is like : I want to perform frequent operation on millions of objects in multi-threaded environment with concurrency and scalability keeping in mind, I need best data structure suitable...
I have a list of Employee public class Employee { private String name; private Integer age; private Double salary; private Department department; } List<Employee> employeeList = Arrays...
I am using: Hibernate 4.3.5 Spring JPA 1.6.0 Javax Persistence API 2.1 The "refcodemailing" column is defined as an array of int: int[] My entity object: @Entity @Table public class CalendarEven...
I am having a .crt file and I wanted to import to keystore and truststore using java(first create keystore and truststore then import). Below is the code that I am using: import org.glassfish.tyrus...
I am getting below error in intellij for a gradle project. I am importing existing gradle project and trying refresh it in gradle window. Error:No such property: GradleVersion for class: JetGradlePlu...
I have a LegacyAccountDto that I need to build a list of from two separate sources. One is a local JPA repository and the other is a web service call. The web service version has the accountStatus a...
I'm using liquibase (3.6.3) in Spring Boot (2.1.8) java (1.8) application for managing database (Oracle 12.2) schema changes. My liquibase changesets does not contain 'tablespace' params and all data...
I get this exception when I call EditText.setSelection() java.lang.IndexOutOfBoundsException: setSpan (N ... N) ends beyond length 10500 N can be any number. For example if I call setSelection(1047...
The descriptions of bitCount() and bitLength() are rather cryptic: public int bitCount() Returns the number of bits in the two's complement representation of this BigInteger that differ from...
I am upgrading to Log4j to Log4j2 in my project. I have put log4j2.properties in the classpath, and its loading. Despite that logs are not coming according to properties defined in log4j2.properties....
I have the war file of my application. I need to deploy this at the root level. The current URL is http://localhost:8080/war_name/application_name.