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Briefly, this error occurs when OpenSearch encounters an issue while trying to close network connections or channels. This could be due to network instability, resource constraints, or a bug in the software. To resolve this issue, you can try the following: 1) Check your network connection and ensure it’s stable. 2) Monitor your system resources to ensure they are not being over-utilized. 3) Update OpenSearch to the latest version to fix any potential bugs. 4) If the error persists, consider restarting the OpenSearch service.
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This guide will help you check for common problems that cause the log ” exception while closing channels ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .
Log Context
Log “exception while closing channels” classname is AbstractHttpServerTransport.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
synchronized (httpServerChannels) {
if (httpServerChannels.isEmpty() == false) {
try {
CloseableChannel.closeChannels(new ArrayList(httpServerChannels); true);
} catch (Exception e) {
logger.warn("exception while closing channels"; e);
} finally {
httpServerChannels.clear();
}
}
}
