Why throws, on a method, is part of its signature? It seems strange to include it. Here is an example where it is in the way: If anyone were to see this method from the outside, they might try to use it without knowing that it is not supported. They would only learn it on trying to run the code.
Android Studio – Keystore was tampered with, or password was incorrect
I am trying to generate a signed APK by using the built-in widget in Android Studio v1.4. However, I got this annoying error Error:Execution failed for task ‘:app:packageRelease’. Failed to read key cckey from store “C:UsersLancelotDesktoprelease.jks”: Keystore was tampered with, or pa…
How to open multiple windows with Processing?
I’m trying to create two windows with Processing. Before you mark this as a duplicate, as there are other questions similar to this, I have a specific error and I can’t find a solution. When I try to add(s) I get the error The method add(Component) in the type Container is not applicable for the a…
jsonschema and date type
I’m just getting started with jsonschema and an example under “Using jsonschema2pojo within your Java project (embedded)” in https://github.com/joelittlejohn/jsonschema2pojo/wiki/Getting-Started having in mind data types of jsonschema listed here https://developers.google.com/discovery/v1/ty…
Error message displayed when opening Eclipse: “An error has occurred. See the log file null”
I use Windows 10 and jre1.8.0_51. I don’t know why when I start Eclipse it always displays an alert message “An error has occurred. See the log file null.” And I cannot open Eclipse thereafter. I tried to search Google and have no best solution. I uninstalled JRE and installed it again, but …
Externalizing the location of logback.xml in Spring Boot using application.properties
How can I customize the location of logback.xml in Spring Boot using application.properties? I tried below but is not working. application.properties It is working if the logback.xml is located in the resource folder, but not working if it is located outside the project. It is also working if the I supply as …
Apache Camel bean parameter binding issue with Spring DSL
I am running into a strange issue with Apache Camel and Spring DSL. Here is an excerpt of my Spring defined route: Everything works fine up until the last line that I posted. The extractDocumentRootOid(Exchange exchange) java method is executed and the result is stored to the documentRootOid header. The getOr…
JAVA best practice unit testing with JUnit
I am currently using the following method and unit test for the method. I think the test could/should be broken down into more tests but I’m not sure how many tests to write for this or what the more important parts are especially considering the method deals with establishing a Connection, using sql qu…
netbeans Run error :Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1
I’m very new to net-beans 8.0.2 and want to run java example but theres error below after Run: and this is the pom.xml : am i need to install something? any help appreciated. -thanks edit: turn off net-beans and turn on anaconda solved the problem. Answer That error message will be displayed whenever it…
Apache Commons IO File Monitoring vs. JDK WatchService
I need to develop an application that will process csv files as soon as the files are created in a predefined directory. Huge number of incoming files is expected. I have seen applications using Apache Commons IO File Monitoring in the production. It works pretty well. I have seen it processing as many as 21 …