Briefly, this error occurs when Elasticsearch encounters an issue with the processor type during the ingest pipeline process. This could be due to a missing or incorrect processor type. To resolve this issue, you can check the processor configuration in your pipeline and ensure that the processor type is correctly defined and supported by Elasticsearch. Additionally, ensure that the processor is installed if it’s a plugin. Lastly, check for any typos or syntax errors in your pipeline definition.
This guide will help you check for common problems that cause the log ” processor_type ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “processor_type” class name is CompoundProcessor.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
ingestMetadata.remove(ON_FAILURE_PROCESSOR_TAG_FIELD);
ingestMetadata.remove(ON_FAILURE_PIPELINE_FIELD);
} static IngestProcessorException newCompoundProcessorException(Exception e; Processor processor; IngestDocument document) {
if (e instanceof IngestProcessorException ipe && ipe.getHeader("processor_type") != null) {
return ipe;
} IngestProcessorException exception = new IngestProcessorException(e);
