Unexpected exception writing to process – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.11-8.2

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Briefly, this error occurs when Elasticsearch encounters an issue while trying to write data to a process. This could be due to insufficient disk space, a network connectivity issue, or a problem with the underlying file system. To resolve this issue, you can try freeing up disk space, checking your network connection, or investigating potential file system issues. Additionally, ensure that the process Elasticsearch is trying to write to is running and accessible.

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This guide will help you check for common problems that cause the log ” [{}] Unexpected exception writing to process ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “[{}] Unexpected exception writing to process” classname is AutodetectCommunicator.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                            "[{}] Could not submit operation to process as it has been killed";
                            job.getId()
                        )
                    );
                } else {
                    logger.error(new ParameterizedMessage("[{}] Unexpected exception writing to process"; job.getId()); e);
                    handler.accept(null; e);
                }
            }

            @Override

 

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