Missing or invalid file name name – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch tries to access a file with a name that is either missing or invalid. This could be due to a typo in the file name, the file not existing in the specified location, or the file name containing illegal characters. To resolve this issue, you should first verify the file name and its location. If the file name and location are correct, check if the file name contains any illegal characters and remove them. If the problem persists, ensure that Elasticsearch has the necessary permissions to access the file.

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This guide will help you check for common problems that cause the log ” missing or invalid file name [” + name + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: blobstore, index.

Log Context

Log “missing or invalid file name [” + name + “]” class name is BlobStoreIndexShardSnapshot.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }
 }  // Verify that file information is complete
 if (name == null || Strings.validFileName(name) == false) {
 throw new ElasticsearchParseException("missing or invalid file name [" + name + "]");
 } else if (physicalName == null || Strings.validFileName(physicalName) == false) {
 throw new ElasticsearchParseException("missing or invalid physical file name [" + physicalName + "]");
 } else if (length < 0) {
 throw new ElasticsearchParseException("missing or invalid file length");
 } else if (writtenBy == null) {

 

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