java.lang.NumberFormatException: For input string: "abc"

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java.lang.NumberFormatException: For input string: "abc"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
at java.lang.Long.parseLong(Long.java:410)
at java.lang.Long.parseLong(Long.java:468)
at org.elasticsearch.common.xcontent.support.AbstractXContentParser.longValue(AbstractXContentParser.java:72)
at org.elasticsearch.index.mapper.core.LongFieldMapper.innerParseCreateField(LongFieldMapper.java:284)
at org.elasticsearch.index.mapper.core.NumberFieldMapper.parseCreateField(NumberFieldMapper.java:182)

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