json validation for empty spaces

src/main/java/com/gcc/crslogs/controller/ApiController.java

@@ -1,6 +1,7 @@
 package com.gcc.crslogs.controller;
 
 import java.net.URLEncoder;
+
 import java.nio.charset.StandardCharsets;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;

src/main/java/com/gcc/crslogs/service/BirthAndDeathDetailsService.java

@@ -36,6 +36,10 @@ public class BirthAndDeathDetailsService {
         this.restTemplate = builder.build();
     }
 	
+	
+	
+	
+	
 	public Map<String, Object> fetchBirthCertificate(String dob, String sex, String regno, String childName, String fatherName, String motherName) throws Exception {
         Map<String, String> params = new LinkedHashMap(); // keep order
         params.put("regno", regno != null ? regno : "");
@@ -61,10 +65,14 @@ public class BirthAndDeathDetailsService {
 
         RestTemplate restTemplate = new RestTemplate();
         ResponseEntity<String> response = restTemplate.exchange(BirthCertificateapiUrl, HttpMethod.GET, entity, String.class);
+       
+        String rawJson = response.getBody();
+        String cleanJson = sanitizeJsonResponse(rawJson);
 
-        //System.out.println("✅ API Raw Response: " + response.getBody());
+        
+        //System.out.println("✅ API Raw Response: " + cleanJson);
 
-        return mapper.readValue(response.getBody(), new TypeReference<Map<String, Object>>() {});
+        return mapper.readValue(cleanJson, new TypeReference<Map<String, Object>>() {});
     }
 	
 	
@@ -101,10 +109,25 @@ public class BirthAndDeathDetailsService {
         ResponseEntity<String> response = restTemplate.exchange(DeathCertificateapiUrl, HttpMethod.GET, entity, String.class);
 
         //System.out.println("✅ API Raw Response: " + response.getBody());
+        String rawJson = response.getBody();
+        String cleanJson = sanitizeJsonResponse(rawJson);
 
-        return mapper.readValue(response.getBody(), new TypeReference<Map<String, Object>>() {});
+        return mapper.readValue(cleanJson, new TypeReference<Map<String, Object>>() {});
     }
 	
+	private String sanitizeJsonResponse(String rawJson) {
+	    if (rawJson == null) return "";
+
+	    // Remove illegal control characters (but keep line breaks if needed)
+	    return rawJson
+	        .replaceAll("[\\p{Cntrl}&&[^\r\n\t]]", "") // Remove non-printable control characters (except tabs/newlines)
+	        .replaceAll("\t", "")                     // Remove tab characters explicitly (common cause of error)
+	        .replaceAll("\\s*:\\s*\n\\s*\"", ":\"")   // Fix broken key-value splits
+	        .replaceAll("\r", "")                     // Remove carriage return if any
+	        .replaceAll("\n", "");                    // Optionally remove newlines if JSON is malformed across lines
+	}
+
+	
 	
 	
 	

src/main/resources/templates/modules/crslogspages/birthanddeath.html

@@ -969,6 +969,7 @@ document.addEventListener("DOMContentLoaded", function () {
 
 function fetchBirthData() {
 
+
 const dob = document.getElementById('dateofbirth').value;
 const gender = document.querySelector('input[name="gender"]:checked')?.value;
 const captchaInput = document.getElementById('birth-captcha-input');
@@ -1019,7 +1020,10 @@ $.ajax({
     success: function (response) {
         $('#pageLoader').hide();
 
+        
         if (response && response.BIRTH && response.BIRTH.length > 0) {
+        	
+        	console.log("birthdetails:",response);
             let html = `
                 <table id="birthDataTable" class="table table-bordered table-striped">
                     <thead>