I have created a pdf with iTextpdf but while setting the response.setContentType(“application/pdf”); getting null pointer exception From jsp struts.xml action class Answer Since it was from the same page intializing the response, reset and closing worked for me
Tag: java
RouteBuilder with multiple routes
I am using a route builder in my Camel Context like this: I have implemented a RouteBuilder like this: Is it possible to implement more routes in the same route builder? Answer yes you can implement a lot of routes in the same route builder like this, I advise you to use routeId for identify the route in the …
Nested JSON in JSON
How can I form JSON like that: I tried creating models with one-to-one, many-to-one relationships. Controller: But I got I read about creating nodes, but didn’t understand, how integrate it with spring data. What i need to nest table Comments in table Tutorials? Answer Looks to me as if you are pretty c…
Hikari CP DB connection not release in Async block
I am using Spring Boot application which has API controller to generate reports . The actual service function is wrapped around @Async annotation and function makes DB calls and generates the csv reports . I am also using Hikari CP for connection pool management and JPA + QueryDSL for forming select queries .…
Controlling Media on phone from WearOS Watch
Is it possible to make an app like the media controller app that WearOS comes with yourself? Im asking because I want to design my own watch face that has media controls on it. There is a surprising lack of online documentation and people with this same question about this, which makes me think this is imposs…
Getting the string from the server side and separating the code fragment from the string in Kotlin
I made an Android application where the users ask questions, but they may use programming codes in their questions. How can I separate the programming codes from the normal texts in Kotlin? If you can explain, I want to change the background of the codes. Like this enter image description here Answer just use…
Using Maven to deploy release build to Artifactory results in 403 Forbidden but works for snapshots
I’m having an issue deploying my Spring Boot JARs to the company’s internal libs-release-local repository. When I run the mvn deploy:deploy-file command with the appropriate arguments, it deploys successfully from my workstation: The above repositoryId is defined in my home directory’s setti…
AbstractGoogleClientRequest and GoogleClientRequestInitializer class not found in com.google.api-client:google-api-client-android:2.0.0
My Android app with Cloud Endpoints says these classes do not exist when using any version higher than 1.31.0 of the following import The latest version is 2.0.0 but even 1.32.1 has the issue. Anything that is 1.31.0 or lower works. This is what my code looks like (taken from this link): Is there a different …
How to get jobId with @BeforeStep in spring batch with compositeItem processor?
I have a composite item processor like so: I am not able to get jobExecutionId in any of the process with @Beforestep This is processor 1. This is processor 2. Here is my job configuration. I am using a listener for skipped user records. With this configuration, I am not abled to get the jobExecutionId in any…
Horizontal JScrollPane inside vertical JScrollPane
Good afternoon! It is necessary to make a list (vertical) from lists of events (horizontal). There are at least 2 problems: the area of the list of events (horizontal scrolling) expands beyond the borders of the panel. Apparently, the problem is with Layout, but I can not find the right combination; horizonta…