Trying to update a record in a database but getting this error: Code below is responsible for inserting it Im not sure if there is a type issue with propId being a Long or if i have written the SQL paths wrong or both. Answer You’re trying to execute an SQL query as JPQL. There are a couple options to
Tag: java
Doubling one letter with each new occurence
so I have task to double number of letter “a” every time it occurs in a string. For example sentence “a cat walked on the road” , at the end must be “aa caaaat waaaaaaaalked on the roaaaaaaaaaaaaaaaa” . I had something like this on my mind but it doubles every charachter, n…
How to create a JavaFX project within another project and open it in IntelliJ
I wanna add JavaFX to an existing project in IntelliJ and followed this documentation. I created a folder structure with an folder with an JavaFX project in it. If I open only this folder who contains JavaFX within IntelliJ everything gets imported correctly and the sample main is running. If I open the whole…
Regular expression matching strings where it contains a specific word that has a period
I am trying to write a regular expression that matches string that contain a certain word with a period for example (apple. or grape.). I got it to work without the period but not quite sure how to get it to work when there is a period in the word. What I tried: Sample strings that should work: Sample strings
Spring boot and Zuul proxy DeferringLoadBalancerExchangeFilterFunction Error
I have a simple app that uses Netflix Zuul as an API gateway I added the Zuul dependency in the pom.xml file as follows: and @EnableZuulProxy for the main class of the app The problem is that whenever I try to run the API, It fails to start and shows in the console: Consider defining a bean of type ‘org…
RichTextFx VirtualizedScrollPane flickers when text wraps as you type
I have a flickering issue with RichTextFx StyleClassedTextArea and VirtualizedScrollPane. When you wrap text and keep typing, it flickers so much that you are unable to read while you type. This is a stark contrast to the regular TextArea scrolling. It’s more pronounced than the gif above (gif fps doesn…
How to compare nested JsonNode field values with Java object parameter values in DROOLS?
I’ve been trying to execute a set of rules on a request object on the basis of some set of configuration value. Below is the example on what I am trying to do: Configuration: config.json Request Class Object: policyDataToBeVerified I converted the config.json into a JsonNode object:configJson and passed…
Mocking a class instance affects the static instance initialization
I run into an issue that, if I mock a class instance, then a static instance in the same class is not initialized correctly. I have a real example of third party code with relevant to the question lines: Then the project jar is used in another project where Schema is mocked in a test: To my understanding this…
Spring session attribute lost on page calling itself
So, I’ve got a very simple 2 controller Spring MVC app. First controller logs user in and puts it on session like this model.addAttribute( “user”, userDto ); Second controller displays project based on projectId, but expects user to be in session. First call to this controller works just fin…
Does the use of Spring Webflux’s WebClient in a blocking application design cause a larger use of resources than RestTemplate
I am working on several spring-boot applications which have the traditional pattern of thread-per-request. We are using Spring-boot-webflux to acquire WebClient to perform our RESTful integration between the applications. Hence our application design requires that we block the publisher right after receiving …