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help me , always when i trying run operator i got this message ??
Contributor I- Exception: java.lang.NullPointerException
- Message: null
- Stack trace:
- com.rapidminer.operator.ports.metadata.MetaDataFactory.createMetaDataforIOObject(MetaDataFactory.java:88)
- com.rapidminer.operator.ports.metadata.MetaData.forIOObject(MetaData.java:230)
- com.rapidminer.gui.processeditor.results.SingleResultOverview.(SingleResultOverview.java:153)
- com.rapidminer.gui.processeditor.results.ProcessExecutionResultOverview.(ProcessExecutionResultOverview.java:210)
- com.rapidminer.gui.processeditor.results.ResultOverview.addResults(ResultOverview.java:128)
- com.rapidminer.gui.processeditor.results.DockableResultDisplay$2.run(DockableResultDisplay.java:217)
- com.rapidminer.gui.tools.ProgressThread$3.run(ProgressThread.java:561)
- java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
- java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
- java.lang.Thread.run(Thread.java:748)
Tagged:
0
Answers
Can you provide your XML code? You can get that from View --> Show Panel --> XML. Please copy and paste that code here so that we can understand what you are trying to do. If possible you can also provide your dataset for making things much easier.
Varun
https://www.varunmandalapu.com/
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