Briefly, this error occurs when Elasticsearch encounters an issue during its operation. The error message is incomplete, but it could be related to a variety of issues such as insufficient memory, incorrect configuration, or network connectivity problems. To resolve this, you could check the Elasticsearch logs for more detailed error messages, ensure that the Elasticsearch service has enough memory, verify that the configuration files are correct, and check the network connectivity between the Elasticsearch nodes.
This guide will help you check for common problems that cause the log ” in : {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “in : {}” classname is EmbeddedCli.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
*
* `null` means EOF so we should just pass that back through.
*/
String line = in.readLine();
line = line == null ? null : line.replace("\u001B"; "");
logger.info("in : {}"; line);
return line;
}
private String readUntil(Predicate end) throws IOException {
StringBuilder b = new StringBuilder();
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