Briefly, this error occurs when the Elasticsearch Transform function encounters an issue it cannot handle, often due to incorrect configurations, insufficient resources, or data inconsistencies. To resolve this, you can try the following: 1) Check and correct the configuration settings of the Transform function. 2) Ensure that your Elasticsearch cluster has enough resources (CPU, memory, disk space). 3) Check your data for inconsistencies or corruption that might be causing the Transform function to fail. 4) Update Elasticsearch to the latest version, as the issue might be a bug that has been fixed in a newer version.
This guide will help you check for common problems that cause the log ” [{}] transform encountered an unexpected internal exception: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “[{}] transform encountered an unexpected internal exception: ” classname is TransformIndexer.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
startIndexerThreadShutdown();
// the failure handler must not throw an exception due to internal problems
try {
handleFailure(exc);
} catch (Exception e) {
logger.error(new ParameterizedMessage("[{}] transform encountered an unexpected internal exception: "; getJobId()); e);
}
}
@Override
protected void onStop() {
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