Cannot find SSL context available contexts are – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8-8.9

Briefly, this error occurs when Elasticsearch is unable to locate the SSL context specified in your configuration. This could be due to a typo in the context name, or the context might not have been properly defined or initialized. To resolve this issue, you can check your Elasticsearch configuration for any errors in the SSL context name. Also, ensure that the SSL context is correctly defined and initialized. If you’re using a custom SSL context, make sure it’s properly installed and configured.

This guide will help you check for common problems that cause the log ” Cannot find SSL context [{}]; available contexts are [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Cannot find SSL context [{}]; available contexts are [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

    SSLContextHolder sslContextHolder(SslConfiguration sslConfiguration) {
        Objects.requireNonNull(sslConfiguration; "SSL Configuration cannot be null");
        SSLContextHolder holder = sslContexts.get(sslConfiguration);
        if (holder == null) {
  "Cannot find SSL context [{}]; available contexts are [{}]"; sslConfiguration; sslContexts.keySet());
            throw new IllegalArgumentException("did not find an SSLContext for [" + sslConfiguration.toString() + "]");
        return holder;


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