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A
ac4320
Level 3
October 13, 2025
Solved

Export JSON using FileVaultpackageExporter

  • October 13, 2025
  • 2 replies
  • 425 views

This is my use-case:

1. I create some JSONs and upload it in /content/dam/fmdita-outputs
2. Whenever I create new/modify this JSON I want to have these JSON exported [using FileVaultpackageExporter as recommended by google].


I have setup my distribution agent that will basically POST the data [e.g action=ADD&path=%2Fcontent%2Fdam%2Ffmdita-outputs%2Fjson%2Fchild-map-1%2Fchild-map-1-topic_dita.json] to some path based servlet which in turn will process this JSON and then export the same using FileVaultpackageExporter.

I need help with the servlet - how to leverage the FileVaultpackageExporter to have the JSON exported.

Also, I get error as and when I try to distribute any data by making post call to a sample POST servlet. But it works when I setup a dummy node server. 
An error has occurred while attempting to deliver test package. [org.apache.sling.distribution.common.RecoverableDistributionException: not enough rights for http://localhost:4502/bin/distribution/json-exporter]

Note : I tried using admin user but that did not get delivered also.

This is my distribution agent config :

{ "name": "json-exporter", "enabled": true, "queue.processing.enabled": true, "allowed.roots": ["/content"], "packageImporter.endpoints": [ "http://localhost:4502/bin/distribution/json-exporter" ], "requestAuthorizationStrategy.target": "(name=default)", "transportSecretProvider.target": "(name=default)" }






Best answer by ac4320

The issue related to An error has occurred while attempting to deliver test package. [org.apache.sling.distribution.common.RecoverableDistributionException: not enough rights for http://localhost:4502/bin/distribution/json-exporter] is resolved. -com.adobe.granite.distribution.core.impl.CryptoDistributionTransportSecretProvider the username and password was required to be setup that will basically transport the data. A user can be created for this purpose and proper permissions needs to be provided.

 

Working servlet code (without system user approach) :

package com.adobe.aem.common.core.servlets; import org.apache.sling.api.SlingHttpServletRequest; import org.apache.sling.api.SlingHttpServletResponse; import org.apache.sling.api.servlets.SlingAllMethodsServlet; import org.osgi.service.component.annotations.Component; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import javax.servlet.Servlet; import javax.servlet.ServletException; import javax.servlet.http.HttpServletResponse; import java.io.*; import java.nio.charset.StandardCharsets; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.*; import java.util.stream.Collectors; @Component( service = Servlet.class, property = { "sling.servlet.methods=POST", "sling.servlet.paths=/bin/receiver" } ) public class VaultBinaryExtractorServlet extends SlingAllMethodsServlet { private static final Logger log = LoggerFactory.getLogger(VaultBinaryExtractorServlet.class); @9944223 protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException { log.error("VaultBinaryExtractorServlet invoked!"); String contentType = request.getContentType(); log.error("Incoming Content-Type: " + contentType); String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss")); File rawFile = new File(System.getProperty("java.io.tmpdir"), "received_vault_data_" + timestamp + ".bin"); File jsonFile = new File(System.getProperty("java.io.tmpdir"), "received_vault_data_" + timestamp + "_summary.json"); log.error("Saving incoming stream to: " + rawFile.getAbsolutePath()); try (InputStream inputStream = request.getInputStream(); BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(rawFile))) { byte[] buffer = new byte[8192]; int bytesRead; while ((bytesRead = inputStream.read(buffer)) != -1) { outputStream.write(buffer, 0, bytesRead); } } log.error("Raw binary saved successfully: " + rawFile.length() + " bytes"); try (FileInputStream fis = new FileInputStream(rawFile)) { byte[] headerBytes = new byte[16]; fis.read(headerBytes); String header = new String(headerBytes, StandardCharsets.US_ASCII); log.error("Header signature: " + header); if (header.startsWith("DSTRPACKMETA")) { log.error("Detected Distribution Package stream. Extracting metadata and embedded ZIP..."); extractReadableMetadata(rawFile, jsonFile); extractInnerZip(rawFile); log.error("Processing complete for file: " + rawFile.getName()); } else { log.error("No DSTRPACKMETA header detected. Skipping extraction."); } } catch (Exception e) { log.error("Error analyzing binary header", e); } // Respond to caller response.setStatus(HttpServletResponse.SC_OK); response.setContentType("application/json"); String msg = "{\"message\":\"Binary file received and processed successfully.\"}"; response.getOutputStream().write(msg.getBytes(StandardCharsets.UTF_8)); response.getOutputStream().flush(); } /** * Extracts ASCII/UTF-8 readable fragments and writes metadata summary as JSON. */ private void extractReadableMetadata(File binFile, File jsonFile) { log.error("Starting lightweight binary-to-JSON conversion..."); Map<String, Object> result = new LinkedHashMap<>(); List<String> readableStrings = new ArrayList<>(); try (InputStream in = new FileInputStream(binFile)) { byte[] data = in.readAllBytes(); result.put("fileName", binFile.getName()); result.put("fileSizeBytes", data.length); result.put("header", new String(data, 0, Math.min(16, data.length), StandardCharsets.US_ASCII)); StringBuilder sb = new StringBuilder(); for (byte b : data) { char c = (char) (b & 0xFF); if (Character.isISOControl(c) && c != '\n' && c != '\r') { if (sb.length() >= 4) { readableStrings.add(sb.toString()); } sb.setLength(0); } else { sb.append(c); } } if (sb.length() >= 4) readableStrings.add(sb.toString()); List<String> probablePaths = readableStrings.stream() .filter(s -> s.contains("/content/") || s.contains(".json") || s.contains("jcr_root")) .collect(Collectors.toList()); result.put("readableStringsFound", readableStrings.size()); result.put("probablePaths", probablePaths); try (Writer writer = new FileWriter(jsonFile)) { writer.write(toPrettyJson(result)); } log.error("Readable metadata extracted successfully: " + jsonFile.getAbsolutePath()); } catch (Exception e) { log.error("Error extracting readable metadata", e); } } /** * Extracts the inner Vault ZIP stream from DSTRPACKMETA binary and writes it to disk. */ private void extractInnerZip(File binFile) { log.error("Attempting to extract embedded ZIP from binary..."); try (InputStream in = new FileInputStream(binFile)) { byte[] data = in.readAllBytes(); int zipStart = -1; for (int i = 0; i < data.length - 1; i++) { if (data[i] == 'P' && data[i + 1] == 'K') { zipStart = i; break; } } if (zipStart == -1) { log.error("No ZIP signature (PK) found inside binary file!"); return; } byte[] zipBytes = Arrays.copyOfRange(data, zipStart, data.length); File extractedZip = new File(System.getProperty("java.io.tmpdir"), binFile.getName().replace(".bin", "_inner.zip")); try (FileOutputStream out = new FileOutputStream(extractedZip)) { out.write(zipBytes); } log.error("Inner ZIP extracted successfully: " + extractedZip.getAbsolutePath()); log.error("You can now unzip this to see jcr_root/... JSON and XML files."); } catch (Exception e) { log.error("Error extracting inner ZIP from DSTRPACKMETA", e); } } /** * Simple pretty JSON formatter. */ private String toPrettyJson(Map<String, Object> map) { StringBuilder sb = new StringBuilder("{\n"); for (Map.Entry<String, Object> entry : map.entrySet()) { sb.append(" \"").append(entry.getKey()).append("\": "); Object value = entry.getValue(); if (value instanceof String) { sb.append("\"").append(value.toString().replace("\"", "\\\"")).append("\""); } else if (value instanceof Collection) { sb.append("[\n"); for (Object item : (Collection<?>) value) { sb.append(" \"").append(item.toString().replace("\"", "\\\"")).append("\",\n"); } if (sb.charAt(sb.length() - 2) == ',') sb.setLength(sb.length() - 2); sb.append("\n ]"); } else { sb.append(value); } sb.append(",\n"); } if (sb.charAt(sb.length() - 2) == ',') sb.setLength(sb.length() - 2); sb.append("\n}"); return sb.toString(); } }

2 replies

A
ac4320Author
Level 3
October 13, 2025

The issue related to An error has occurred while attempting to deliver test package. [org.apache.sling.distribution.common.RecoverableDistributionException: not enough rights for http://localhost:4502/bin/distribution/json-exporter] is resolved.

Now what I currently encounter is test package gets successfully delivered and even manual distribution says successful. But the data does not reach the servlet most probably since the loggers do not get printed.

Attached servlet code and error.log snippets.

14.10.2025 02:07:19.711 *INFO* [[0:0:0:0:0:0:0:1] [1760387839710] POST /libs/sling/distribution/services/agents/json-exporter HTTP/1.1] org.apache.sling.distribution.agent.impl.SimpleDistributionAgent [agent][json-exporter] REQUEST-START DSTRQ12: ADD paths=[/content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json], user=admin 14.10.2025 02:07:19.751 *INFO* [sling-threadpool-f25e4dc8-d8bb-4917-bf83-cec80102c205-(apache-sling-job-thread-pool)-24-org_apache_sling_distribution_queue_json-exporter_endpoint0(org/apache/sling/distribution/queue/json-exporter/endpoint0)] org.apache.sling.distribution.agent.impl.SimpleDistributionAgent [agent][json-exporter] [endpoint0] PACKAGE-DELIVERED DSTRQ12: ADD item=dstrpck-1760387839722-cb20c4d3-faee-46a7-bc3a-aaac4966c60a, paths=[/content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json], importTime=5ms, execTime=40ms, size=7079B 14.10.2025 02:07:19.774 *INFO* [EventAdminAsyncThread #3] com.adobe.aem.sites.eventing.impl.observers.DistributionListener Distribution event properties [distribution.type, distribution.component.name, distribution.component.kind, distribution.paths, event.topics], isLeader true 14.10.2025 02:07:19.775 *WARN* [EventAdminAsyncThread #3] com.adobe.aem.sites.eventing.impl.observers.DistributionListener Failed conversion of value json-exporter to tier enum 14.10.2025 02:07:19.777 *WARN* [boundedElastic-3] com.adobe.aem.sites.eventing.impl.repository.PersistenceQueryManagerImpl No page found at path /content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json 14.10.2025 02:07:19.777 *WARN* [boundedElastic-2] com.adobe.aem.sites.eventing.impl.repository.PersistenceQueryManagerImpl Property not found, path /content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json/jcr:content, property cq:lastReplicatedBy, type String 14.10.2025 02:07:19.777 *WARN* [boundedElastic-6] com.adobe.aem.sites.eventing.impl.repository.PersistenceQueryManagerImpl Property not found, path /content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json/jcr:content, property cq:lastReplicatedBy, type String 14.10.2025 02:07:19.777 *WARN* [boundedElastic-2] com.adobe.aem.sites.eventing.impl.cache.UserDataCacheImpl Cannot find a user in the lastReplicatedBy property of the resource at path: /content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json 14.10.2025 02:07:19.777 *WARN* [boundedElastic-6] com.adobe.aem.sites.eventing.impl.cache.UserDataCacheImpl Cannot find a user in the lastReplicatedBy property of the resource at path: /content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json 14.10.2025 02:07:19.777 *WARN* [boundedElastic-2] com.adobe.aem.sites.eventing.impl.repository.PersistenceQueryManagerImpl Model resource at path /content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json cannot be adapted 14.10.2025 02:07:19.777 *WARN* [boundedElastic-2] com.adobe.aem.sites.eventing.impl.producer.ContentFragmentModelProducerStrategy Cannot find a valid model data for path /content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json 14.10.2025 02:07:19.777 *INFO* [sling-threadpool-f25e4dc8-d8bb-4917-bf83-cec80102c205-(apache-sling-job-thread-pool)-25-<main queue>(com/adobe/cq/dam/sendassetpublishevent)] com.adobe.cq.dam.event.impl.AssetsEventServiceImpl Eventing Producer is unavailable, unable to send Event 14.10.2025 02:07:19.777 *WARN* [boundedElastic-6] com.adobe.aem.sites.eventing.impl.repository.PersistenceQueryManagerImpl Content fragment resource at path /content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json cannot be adapted 14.10.2025 02:07:19.777 *WARN* [boundedElastic-6] com.adobe.aem.sites.eventing.impl.producer.ContentFragmentProducerStrategy Cannot find content fragment data for path /content/dam/fmdita-outputs/json/standalone-map/standalone-map-topic_dita.json 14.10.2025 02:07:20.003 *INFO* [CommitStats] CommitStats 13 commits by 2 users [76% sling-event, 23% replication-service] from 2 locations [61% other:java.base/java.lang.Thread.run(Thread.java:834), 38% HTTP-POST:/libs/sling/distribution/services/agents/json-...] [CommitStats overhead was 1ms = 77.0us / commit]



package com.adobe.aem.common.core.servlets; import org.apache.sling.api.SlingHttpServletRequest; import org.apache.sling.api.SlingHttpServletResponse; import org.apache.sling.api.servlets.SlingAllMethodsServlet; import org.osgi.framework.Constants; import org.osgi.service.component.annotations.Component; import javax.servlet.Servlet; import javax.servlet.ServletException; import java.io.*; import java.util.*; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; @Component(service = Servlet.class, property = { "sling.servlet.methods=POST", "sling.servlet.paths=/bin/vault/extract" }) public class VaultBinaryExtractorServlet extends SlingAllMethodsServlet { @9944223 protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException { System.out.println("TestReceiverServlet invoked!"); System.out.println("Content-Type: " + request.getContentType()); // Log a few headers request.getHeaderNames().asIterator().forEachRemaining(h -> System.out.println(h + ": " + request.getHeader(h)) ); response.setContentType("application/json"); response.setStatus(200); response.getWriter().write("{\"message\": \"POST received successfully\"}"); } }


Modified Distribution Agent config :

{ "name": "json-exporter", "enabled": true, "queue.processing.enabled": true, "allowed.roots": ["/content"], "packageImporter.endpoints": [ "http://localhost:4502/bin/vault/extract" ], "requestAuthorizationStrategy.target": "(name=default)", "transportSecretProvider.target": "(name=default)" }



A
ac4320AuthorAccepted solution
Level 3
October 21, 2025

The issue related to An error has occurred while attempting to deliver test package. [org.apache.sling.distribution.common.RecoverableDistributionException: not enough rights for http://localhost:4502/bin/distribution/json-exporter] is resolved. -com.adobe.granite.distribution.core.impl.CryptoDistributionTransportSecretProvider the username and password was required to be setup that will basically transport the data. A user can be created for this purpose and proper permissions needs to be provided.

 

Working servlet code (without system user approach) :

package com.adobe.aem.common.core.servlets; import org.apache.sling.api.SlingHttpServletRequest; import org.apache.sling.api.SlingHttpServletResponse; import org.apache.sling.api.servlets.SlingAllMethodsServlet; import org.osgi.service.component.annotations.Component; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import javax.servlet.Servlet; import javax.servlet.ServletException; import javax.servlet.http.HttpServletResponse; import java.io.*; import java.nio.charset.StandardCharsets; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.*; import java.util.stream.Collectors; @Component( service = Servlet.class, property = { "sling.servlet.methods=POST", "sling.servlet.paths=/bin/receiver" } ) public class VaultBinaryExtractorServlet extends SlingAllMethodsServlet { private static final Logger log = LoggerFactory.getLogger(VaultBinaryExtractorServlet.class); @9944223 protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException { log.error("VaultBinaryExtractorServlet invoked!"); String contentType = request.getContentType(); log.error("Incoming Content-Type: " + contentType); String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss")); File rawFile = new File(System.getProperty("java.io.tmpdir"), "received_vault_data_" + timestamp + ".bin"); File jsonFile = new File(System.getProperty("java.io.tmpdir"), "received_vault_data_" + timestamp + "_summary.json"); log.error("Saving incoming stream to: " + rawFile.getAbsolutePath()); try (InputStream inputStream = request.getInputStream(); BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(rawFile))) { byte[] buffer = new byte[8192]; int bytesRead; while ((bytesRead = inputStream.read(buffer)) != -1) { outputStream.write(buffer, 0, bytesRead); } } log.error("Raw binary saved successfully: " + rawFile.length() + " bytes"); try (FileInputStream fis = new FileInputStream(rawFile)) { byte[] headerBytes = new byte[16]; fis.read(headerBytes); String header = new String(headerBytes, StandardCharsets.US_ASCII); log.error("Header signature: " + header); if (header.startsWith("DSTRPACKMETA")) { log.error("Detected Distribution Package stream. Extracting metadata and embedded ZIP..."); extractReadableMetadata(rawFile, jsonFile); extractInnerZip(rawFile); log.error("Processing complete for file: " + rawFile.getName()); } else { log.error("No DSTRPACKMETA header detected. Skipping extraction."); } } catch (Exception e) { log.error("Error analyzing binary header", e); } // Respond to caller response.setStatus(HttpServletResponse.SC_OK); response.setContentType("application/json"); String msg = "{\"message\":\"Binary file received and processed successfully.\"}"; response.getOutputStream().write(msg.getBytes(StandardCharsets.UTF_8)); response.getOutputStream().flush(); } /** * Extracts ASCII/UTF-8 readable fragments and writes metadata summary as JSON. */ private void extractReadableMetadata(File binFile, File jsonFile) { log.error("Starting lightweight binary-to-JSON conversion..."); Map<String, Object> result = new LinkedHashMap<>(); List<String> readableStrings = new ArrayList<>(); try (InputStream in = new FileInputStream(binFile)) { byte[] data = in.readAllBytes(); result.put("fileName", binFile.getName()); result.put("fileSizeBytes", data.length); result.put("header", new String(data, 0, Math.min(16, data.length), StandardCharsets.US_ASCII)); StringBuilder sb = new StringBuilder(); for (byte b : data) { char c = (char) (b & 0xFF); if (Character.isISOControl(c) && c != '\n' && c != '\r') { if (sb.length() >= 4) { readableStrings.add(sb.toString()); } sb.setLength(0); } else { sb.append(c); } } if (sb.length() >= 4) readableStrings.add(sb.toString()); List<String> probablePaths = readableStrings.stream() .filter(s -> s.contains("/content/") || s.contains(".json") || s.contains("jcr_root")) .collect(Collectors.toList()); result.put("readableStringsFound", readableStrings.size()); result.put("probablePaths", probablePaths); try (Writer writer = new FileWriter(jsonFile)) { writer.write(toPrettyJson(result)); } log.error("Readable metadata extracted successfully: " + jsonFile.getAbsolutePath()); } catch (Exception e) { log.error("Error extracting readable metadata", e); } } /** * Extracts the inner Vault ZIP stream from DSTRPACKMETA binary and writes it to disk. */ private void extractInnerZip(File binFile) { log.error("Attempting to extract embedded ZIP from binary..."); try (InputStream in = new FileInputStream(binFile)) { byte[] data = in.readAllBytes(); int zipStart = -1; for (int i = 0; i < data.length - 1; i++) { if (data[i] == 'P' && data[i + 1] == 'K') { zipStart = i; break; } } if (zipStart == -1) { log.error("No ZIP signature (PK) found inside binary file!"); return; } byte[] zipBytes = Arrays.copyOfRange(data, zipStart, data.length); File extractedZip = new File(System.getProperty("java.io.tmpdir"), binFile.getName().replace(".bin", "_inner.zip")); try (FileOutputStream out = new FileOutputStream(extractedZip)) { out.write(zipBytes); } log.error("Inner ZIP extracted successfully: " + extractedZip.getAbsolutePath()); log.error("You can now unzip this to see jcr_root/... JSON and XML files."); } catch (Exception e) { log.error("Error extracting inner ZIP from DSTRPACKMETA", e); } } /** * Simple pretty JSON formatter. */ private String toPrettyJson(Map<String, Object> map) { StringBuilder sb = new StringBuilder("{\n"); for (Map.Entry<String, Object> entry : map.entrySet()) { sb.append(" \"").append(entry.getKey()).append("\": "); Object value = entry.getValue(); if (value instanceof String) { sb.append("\"").append(value.toString().replace("\"", "\\\"")).append("\""); } else if (value instanceof Collection) { sb.append("[\n"); for (Object item : (Collection<?>) value) { sb.append(" \"").append(item.toString().replace("\"", "\\\"")).append("\",\n"); } if (sb.charAt(sb.length() - 2) == ',') sb.setLength(sb.length() - 2); sb.append("\n ]"); } else { sb.append(value); } sb.append(",\n"); } if (sb.charAt(sb.length() - 2) == ',') sb.setLength(sb.length() - 2); sb.append("\n}"); return sb.toString(); } }
A
ac4320Author
Level 3
October 21, 2025

Note : 

packageImporter.endpoints": [ "http://localhost:4502/bin/vault/extract" ]

was updated to

packageImporter.endpoints": [ "http://localhost:4502/bin/receiver" ]
Syed_Shaik
Syed_Shaik
Level 3
October 14, 2025

Hi @ac4320 

 

Step 1: Create a System User for Distribution

Create a service user for your custom distribution agent:

Then map it to your bundle:
Give that user permission to:

Read /content/dam/fmdita-outputs

Access /bin/distribution/json-exporter

Use AEM Useradmin Console (http://localhost:4502/useradmin
) → distribution-service → Permissions → allow read + replicate + modify.

Step 2: Implement Your Servlet

Now implement a SlingAllMethodsServlet that uses the FileVaultPackageExporter to export the JSON.
package com.example.distribution.core.servlets;

import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ResourceResolverFactory;
import org.apache.sling.api.servlets.ServletResolverConstants;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.LoginException;
import org.apache.sling.commons.json.JSONObject;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.apache.jackrabbit.vault.packaging.exporter.FileVaultPackageExporter;
import java.io.IOException;

@Component(service = javax.servlet.Servlet.class,
property = {
ServletResolverConstants.SLING_SERVLET_PATHS + "=/bin/distribution/json-exporter",
"sling.servlet.methods=POST"
})
public class JsonExporterServlet extends SlingAllMethodsServlet {

@Reference
private FileVaultPackageExporter fileVaultPackageExporter;

@Reference
private ResourceResolverFactory resolverFactory;

@Override
protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response)
throws IOException {
String path = request.getParameter("path");

try (ResourceResolver resolver = resolverFactory.getServiceResourceResolver(
java.util.Collections.singletonMap(ResourceResolverFactory.SUBSERVICE, "distribution-service"))) {

Resource resource = resolver.getResource(path);
if (resource != null) {
// Example export
fileVaultPackageExporter.createPackage(
resolver.adaptTo(org.apache.jackrabbit.api.JackrabbitSession.class),
resource.getPath(),
null, // workspace filter
null, // meta-inf
true, // incremental
response.getOutputStream() // stream output or save to file
);

response.setStatus(200);
response.getWriter().write("JSON Exported Successfully: " + path);
} else {
response.sendError(404, "Resource not found: " + path);
}
} catch (LoginException e) {
response.sendError(500, "Service User Login Failed: " + e.getMessage());
} catch (Exception e) {
response.sendError(500, "Export Failed: " + e.getMessage());
}
}
}

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