Briefly, this error occurs when Elasticsearch encounters an unexpected issue while trying to close HTTP channels. This could be due to network issues, resource limitations, or a bug in the Elasticsearch software. To resolve this issue, you can try restarting Elasticsearch, checking for network issues, or increasing system resources. If the problem persists, consider upgrading Elasticsearch to the latest version or reaching out to the Elasticsearch community for further assistance.
This guide will help you check for common problems that cause the log ” unexpected exception while closing http channels ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “unexpected exception while closing http channels” classname is AbstractHttpServerTransport.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
if (closed == false) {
try {
CloseableChannel.closeChannels(new ArrayList(httpChannels); true);
} catch (Exception e) {
logger.warn("unexpected exception while closing http channels"; e);
}
try {
allClientsClosedListener.get();
} catch (Exception e) {
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