Briefly, this error occurs when Elasticsearch fails to parse the application privileges for a specific role due to an unexpected field value. This could be due to incorrect syntax or a missing value in the role definition. To resolve this issue, you should first verify the role definition for any syntax errors or missing values. If the problem persists, try to recreate the role with the correct privileges. Also, ensure that the Elasticsearch version you are using supports the privileges you are trying to assign.
This guide will help you check for common problems that cause the log ” failed to parse application privileges for role [{}]. expected field [{}] value ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “failed to parse application privileges for role [{}]. expected field [{}] value” class name is RoleDescriptor.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} private static ApplicationResourcePrivileges[] parseApplicationPrivileges(String roleName; XContentParser parser)
throws IOException {
if (parser.currentToken() != XContentParser.Token.START_ARRAY) {
throw new ElasticsearchParseException("failed to parse application privileges for role [{}]. expected field [{}] value " +
"to be an array; but found [{}] instead"; roleName; parser.currentName(); parser.currentToken());
}
List privileges = new ArrayList<>();
while (parser.nextToken() != XContentParser.Token.END_ARRAY) {
privileges.add(parseApplicationPrivilege(roleName; parser));
