Briefly, this error occurs when Elasticsearch cannot establish a connection within the specified timeout period. This could be due to network issues, server overload, or incorrect configuration. To resolve this, you can increase the connection timeout value, ensure the server is not overloaded, and check your network connectivity. Also, verify your Elasticsearch configuration settings to ensure they are correct.
This guide will help you check for common problems that cause the log ” connect_timeout[” + connectionProfile.getConnectTimeout() + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “connect_timeout[” + connectionProfile.getConnectTimeout() + “]” class name is TcpTransport.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
} public void onTimeout() {
if (countDown.fastForward()) {
closeAndFail(new ConnectTransportException(node; "connect_timeout[" + connectionProfile.getConnectTimeout() + "]"));
}
} private void closeAndFail(Exception e) {
try {
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