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Issue Python Based extension

Hi there, I have a problem with the development environment. As soon as I create the environment everything works perfectly. I started by creating a node, it works, great! Then I created another one,...

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Python Node Development - Icon Paths

Hello KNIMErs, as I am developing my nodes I ran into a problem regarding my icon path. My folder structure looks like this: extension-folder ... - icons - - icon.png - src - - nodes - - - node.py...

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Node Development - Node Background

Hello KNIMErs, is there any way to change to background color of my nodes that are in development? In the picture below you can see that my nodes have a “brown” background but other nodes like “Post...

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Java 21 support

Hi Do you have a publicly sharable plan for when KNIME will switch to use Java 21? We’re looking at moving to Java 21 for some of our internal libraries that get consumed by KNIME which will be an...

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I could not compile and run the KNIME source code in VS Code!

I am a developer. I tried to compile and run the source code of the project in VS Code and Windows operating system based on the instructions provided by KNIME. First KNIME with command git clone...

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Knime Python bundle not working

Hi all, I’m facing a problem I’m not able to solve. I’m trying to create the bundle as I usually do. But with knime 5.3 I have this error: Command:...

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How to set those url ?

hi,how to set those url? 1 post - 1 participant Read full topic

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Python Node Development - Icons not visible after bundling

Hello KNIMErs, after successfully bundling my nodes I wanted to test them locally. I am able to see my nodes in the repository. However my Icons are not visible anymore. Please let me know what I...

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Error during installation from local update site - bundling finished with...

Hi all, just added to my extension and managed to bundle successfully. However when I then try to install from local update site I get this error: An error occurred while installing the items session...

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Custom rendering in new UI

Hi We recently had a desire to be able to see string diffs in KNIME cells so we have knocked up a node (currently in the trunk build of the Lhasa open source contribution) that uses googles...

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Preview of KNIME Analytics Platform 5.4.0

Hello community developers, KNIME Analytics Platform 5.4.0 comes with lots of enhancements and improvements. Below are some top highlights. K-AI: Pre-installed with enhanced workflow building and...

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Unable to Use org.knime.core.node.workflow.WorkflowManager Library in Java...

I want to use methods from the org.knime.core.node.workflow.WorkflowManager library. I can successfully work with the org.knime.core.node.NodeLogger library, but I am unable to connect to...

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Unable to build knime-core 5.4.0: Parent POM resolution error

I’m trying to build knime-core version 5.4.0 from source, but I’m encountering a Maven build error related to parent POM resolution. Here are the details: Error message: [ERROR] The build could not...

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KNIME node development chemistry types

I’m using Python to develop a KNIME extension, and I’d like to use the KNIME Base Chemistry types. The node development documentation says you can use it like so: def configure(self, config_context):...

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Python script Node

Hello all, When i want to configure my Pyhton Script Node, this message appears : “the external python process crashed for unknown reansons while KNIME set up the Python environment. See log for...

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What is the threshold for RProp MLP Learner and how can I change it?

Hi, I have been using KNIME for building classifiers. I thought the basic thresholds for any classifiers should be 0.5, but recently noticed that some predictions from RProp MLP Learner node are...

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Can I configure Knime to recognize my PYTHONPATH?

I would like to pull in some custom modules that are currently in my PYTHONPATH to be run in a Python Script Node. Can I get Knime to recognize my PYTHONPATH? Maybe a batch script that activates the...

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Bundling Process (Python Extension) get stuck during Lockfile step

Hi all, currently working on expanding my experimental AI extension. After testing a new node locally tried to bundle and the bundling process gets stuck at the very beginning: C:\Users\xxx>python...

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Programmatically Adding or Removing Nodes in a KNIME Workflow

Dear KNIME Community, I am exploring ways to programmatically add or remove nodes within an existing KNIME workflow using Python or another programming language. My goal is to dynamically modify the...

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Error with chem types

I’m using Python to develop a KNIME extension, and I’d like to use the KNIME Base Chemistry types. I’ve made two of the nodes so far - but I get this strange error when I try to run the second one:...

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Replacing String Input with File Browser in Custom KNIME Node

Dear KNIME Community, I am currently developing a custom KNIME node that requires users to input a file path. At present, this is implemented as a string input, necessitating users to manually type...

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how we make plugin based target file from knime source code.

how we make plugin based target file from knime source code. 1 post - 1 participant Read full topic

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Target Platform Resolve Issues With Eclipse 2024-03 RCP

Hi, when I try to resolve your target platform (I use the KNIME_AP.target file from your knime-sdk-setup with the branch tag analytics-platform/5.3.0) I get the following error: Error reading manifest...

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Quick Questions about Python based KNIME Extension

Hi, KNIMEr, I tried creating a new Python based KNIME Extension for the first time today, and my initial impression is quite positive. However, I have some questions that I’m still confused about even...

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Item Set Finder (Borgeit) and Association Rule Learner

I have been trying to use the Item Set Finder (Borgeit) and the Association Rule Learner nodes but have been running into difficulties getting them to work. I learned in another forum post to...

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