NetBeans 12 is a major release of the Apache Netbeans IDE which adds support for Java 16, Jakarta EE9 and built in support for Payara. It was released in May, 2021. Use this tag only for questions specifically relating to any version of NetBeans 12, such as 12.1, 12.4, etc. When specifying the "netbeans-12" tag, be sure to additionally specify the generic "netbeans" tag to attract a wider audience for your question.
Questions tagged [netbeans-12]
89 questions
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Apache Netbeans 12.0 with jdk 12
I need to run Apache NetBeans 12.0 with JDK 12. But there is this error:
Glass Fish Server could not be started with jdk 12. Please select another SE platform
How to resolve this error?

Belle
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How to install/use apache commons collection 4.4
This is my first time using stackoverflow.
Anyway, I am trying to use the apache commons collections 4.4 that I've downloaded here
https://commons.apache.org/proper/commons-collections/download_collections.cgi
This is the code that I am trying to…

sukaretto
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Why can't my project in Apache Netbeans 12.5 be run using JDK 17?
I am using Apache NetBeans 12.5 with JDK 17.0.1.
When I run my project it can't be run, as you can see from this screen shot:
How can I fix this?
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Netbeans 15.0 project not downloading and running on RPi
I have a Netbeans IDE 12.5 Java program (JKD 11) which compiles, downloads and runs on my RPi4. Now, with Netbeans15.0, and the exact same project, I see the compile stage successfully build the project. The "deploy" and finally "run-remote" phases…

Quentin Meek
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How can I fix Tomcat not using the new names I've given my servlets?
So I decided to rename my servlets by refactoring them but for some reason something in the project isn't changing the references to those servlets and sticking to the old names instead. I could do a workaround but thats not really solving the…

SpyderCoder
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Installing Neteans problem with version of JDK
I don't understand what I'am doing wrong, i downalad the newest Netbeans and JDK and something went wrong. Can someone explain me what should I do?

LLager
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How to resolve Maven dependency for Hibernate in NetBEans 12.4
I'm learning Hibernate. This is my day 1 and I'm watching this video on YouTube: Hibernate Tutorial | Practical. I did exactly what the tutor said but my program is not able to recognize:
import org.hibernate.Session;
import…

Tanzeel
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How to import library to Netbeans IDE
I'm new to Java and Netbeans. I'm trying to import a library but all the instructions I've found online either reference a "Library" folder in the Netbeans project, or a "Library" tab when right-clicking the project and selecting "Properties". I'm…

raw-bin hood
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ERROR [io.undertow.request] (default task-1) UT005071: Undertow request failed HttpServerExchange
I'm doing a maven project with WildFly as a server, although the web page opens, it shows that the localhost isn't sending any data
that's what shows on my WildFly output regarding to errors:
14:37:21,257 ERROR [io.undertow.request] (default task-1)…

MakoMario
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Can't connect Java 8 (291) web application on Glassfish 5.1.0 to SQL Server 2014 instance
I have a JSF web application that worked under Java 6, Glassfish 4.1, SQL Server 2012, Nebeans 8 but I am receiving an error under Java 8, Glassfish 5.1.0, SQL Server 2014, Netbeans 12. It varies some, but it is usually a handshake, socket, or…

Kamurai
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1 answer
can not clean and build web app in netbeans
i have a web project in netbeans when i try to clean and build it this error raises
error: option -Xbootclasspath/p: not allowed with target 11
cross checked all dependencies, all jar files are included. But project can be deployed in tomcat( i am…

SHARON XAVIER
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Any react.js snippet plugin to install for Netbeans 12?
I just installed Netbeans 12 and I am diving into react.js. I was wondering if a react snippet plugin exists? Just as for visual studio (React/Redux/GraphQL/React-Native snippets)?
regards

alex
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Create new NetBeans "save as" module
My goal is simple - save the current HTML file in the NetBeans editor with one additional line at the top and bottom of the file, and with the extension of ".h".
This is my first attempt at a NetBeans module, but following some tutorials and…

Kevin S. Miller
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Why can't I create a JavaFX FXML Project in Netbeans 12.2?
Edit: I'm leaving this question as-is because there may be others who are using the same tutorial and asking the same question I was. The question arose from a class project that's been specified. While a variety of the provided answers will work,…

Charlee
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JDK8 for NetBeans 12.2?
I'm trying to install JDK8 as a platform on NetBeans 12.2, but I keep getting this error message:
"Cannot detect and install the selected platform. The java or javac may not be executable."
Is there a way around this? Or is there a version of JDK8…

mstoreysmith
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