Briefly, this error occurs when Elasticsearch encounters an issue while processing an operation. This could be due to a variety of reasons such as insufficient memory, incorrect configuration, or a network issue. To resolve this, you can try increasing the memory allocation for Elasticsearch, checking the configuration files for any errors, or troubleshooting the network connection. Additionally, check the Elasticsearch logs for more detailed error messages that can provide further insight into the problem.
This guide will help you check for common problems that cause the log ” error handling process [{}] operation ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “error handling process [{}] operation” classname is ProcessWorkerExecutorService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
Runnable runnable = queue.poll(500; TimeUnit.MILLISECONDS);
if (runnable != null) {
try {
runnable.run();
} catch (Exception e) {
logger.error(() -> new ParameterizedMessage("error handling process [{}] operation"; processName); e);
}
EsExecutors.rethrowErrors(ThreadContext.unwrap(runnable));
}
}
