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...
View ArticleUnable 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...
View ArticleUnable 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...
View ArticleKNIME 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):...
View ArticlePython 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...
View ArticleWhat 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...
View ArticleCan 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...
View ArticleBundling 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...
View ArticleProgrammatically 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:...
View ArticleReplacing 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...
View Articlehow 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
View ArticleTarget 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...
View ArticleItem 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...
View ArticleFlow variable as input port
Hi everyone, I got inspired by the Summit and started developing my own node. I tried to create a node with only a flow variable input port, but unfortunately, it’s not showing up in KNIME. The...
View Articleorg/eclipse/core/runtime/CoreException getting this exception
I am running maven build through terminal in mac from knime-core repository. I am getting below error while running mvn clean install command. [WARNING] Error injecting:...
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Excel table for parameter optimization
Hi guys, I found K-ai cannot solve this problem… In order to use parameter optimization loop, I try to construct an Excel and then format it to table, and see if it’s can read in the optimization...
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