core/src/main/java/org/apache/stormcrawler/jsoup/XPathFilter.java [70:87]:
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        java.util.Iterator<Entry<String, JsonNode>> iter = filterParams.fields();
        while (iter.hasNext()) {
            Entry<String, JsonNode> entry = iter.next();
            String key = entry.getKey();
            JsonNode node = entry.getValue();
            if (node.isArray()) {
                for (JsonNode expression : node) {
                    addExpression(key, expression);
                }
            } else {
                addExpression(key, entry.getValue());
            }
        }
    }

    private void addExpression(String key, JsonNode expression) {
        String xpathvalue = expression.asText();
        try {
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core/src/main/java/org/apache/stormcrawler/parse/filter/XPathFilter.java [183:200]:
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        java.util.Iterator<Entry<String, JsonNode>> iter = filterParams.fields();
        while (iter.hasNext()) {
            Entry<String, JsonNode> entry = iter.next();
            String key = entry.getKey();
            JsonNode node = entry.getValue();
            if (node.isArray()) {
                for (JsonNode expression : node) {
                    addExpression(key, expression);
                }
            } else {
                addExpression(key, entry.getValue());
            }
        }
    }

    private void addExpression(String key, JsonNode expression) {
        String xpathvalue = expression.asText();
        try {
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