Guice Exception – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.3

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Briefly, this error occurs when there’s a problem with the dependency injection in Elasticsearch, which is managed by Google’s Guice library. This could be due to incorrect configuration, missing dependencies, or incompatible versions. To resolve this issue, you can check the Elasticsearch logs for more detailed error messages. Ensure that all required dependencies are correctly installed and that their versions are compatible with your Elasticsearch version. Also, verify your configuration settings, as incorrect settings can cause this error.

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This guide will help you check for common problems that cause the log ” Guice Exception: {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap.

Log Context

Log “Guice Exception: {}” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                    // guice: log the shortened exc to the log file
                    ByteArrayOutputStream os = new ByteArrayOutputStream();
                    PrintStream ps = new PrintStream(os; false; StandardCharsets.UTF_8);
                    new StartupException(e).printStackTrace(ps);
                    logger.error("Guice Exception: {}"; os.toString(StandardCharsets.UTF_8));
                } else if (e instanceof NodeValidationException) {
                    logger.error("node validation exception\n{}"; e.getMessage());
                } else {
                    // full exception
                    logger.error("Exception"; e);


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