Briefly, this error occurs when the condition format in Elasticsearch is incorrect. The system expects a ‘condition=value’ format, but it received an empty dictionary ‘{}’. To resolve this issue, you should ensure that the condition is correctly formatted. Check your query or configuration and replace the ‘{}’ with a valid ‘condition=value’ pair. Also, ensure that the condition and value are appropriate for the operation you are trying to perform.
This guide will help you check for common problems that cause the log ” Invalid condition: ‘{}’; format must be ‘condition=value’ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: admin, indices.
Log Context
Log “Invalid condition: ‘{}’; format must be ‘condition=value'” class name is RolloverConfiguration.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
String[] sConditions = input.split(";");
RolloverConfiguration.ValueParser valueParser = new RolloverConfiguration.ValueParser();
for (String sCondition : sConditions) {
String[] keyValue = sCondition.split("=");
if (keyValue.length != 2) {
throw new SettingsException("Invalid condition: '{}'; format must be 'condition=value'"; sCondition);
}
var condition = keyValue[0];
var value = keyValue[1];
if (MaxSizeCondition.NAME.equals(condition)) {
valueParser.addMaxIndexSizeCondition(value; setting);
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