Logger error cause getMessage – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-6.8

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Briefly, this error occurs when Elasticsearch encounters an issue during logging, and it’s unable to retrieve the error message. This could be due to a variety of reasons such as incorrect logging configurations, insufficient disk space, or permission issues. To resolve this, you can check the logging configurations and ensure they are correct, verify that there is enough disk space, and confirm that Elasticsearch has the necessary permissions to write to the log file. Additionally, you can also check the Elasticsearch logs for any additional information about the error.

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This guide will help you check for common problems that cause the log ” Logger.error(cause.getMessage()); ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Logger.error(cause.getMessage());” classname is TokenService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 ActionListener.wrap(bulkResponse -> {
                    List retryTokenIds = new ArrayList();
                    for (BulkItemResponse bulkItemResponse : bulkResponse.getItems()) {
                        if (bulkItemResponse.isFailed()) {
                            Throwable cause = bulkItemResponse.getFailure().getCause();
                            traceLog("(bwc) invalidate tokens";  cause);
                            if (isShardNotAvailableException(cause)) {
                            } else if ((cause instanceof VersionConflictEngineException) == false){
                                // We don't handle VersionConflictEngineException; the ticket has been invalidated


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