I am getting below Errorjavax.net.ssl.SSLHandshakeException: PKIX path building failed:
sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
import org.apache.hc.client5.http.classic.methods.HttpPost;import org.apache.hc.client5.http.classic.methods.CloseableHttpResponse;import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;import org.apache.hc.client5.http.impl.classic.HttpClients;import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManagerBuilder;import org.apache.hc.core5.ssl.SSLConnectionSocketFactory;import org.apache.hc.core5.ssl.SSLContexts;import org.apache.hc.core5.http.io.entity.StringEntity;import javax.net.ssl.SSLContext;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.InputStream;import java.io.OutputStream;import java.security.KeyStore;public class CurlToJava { private static final String P12_FILE_PATH = "path/to/your/pfa-data-service.p12"; private static final String P12_PASSWORD = "PassPhrase"; private static final String TARGET_URL = "http://B17121-"+"vip.nam.nsroot:100/monitoringDaily/api/download" +"/cs/cars/system%20Views/Obliger%20fund%20Details" +"(as69734_202405080737)?soeId=system&delimiter=%7C"+"&addHeadandTail=true&filename=testDownload"; private static final String AUTH_TOKEN = "0cb93babee5f6370007632b93365109a8"; private static SSLContext createSSLContext() throws Exception { // Load the PKCS12 KeyStore KeyStore keyStore = KeyStore.getInstance("PKCS12"); try (FileInputStream keyStoreInputStream = new FileInputStream(P12_FILE_PATH)) { keyStore.load(keyStoreInputStream, P12_PASSWORD.toCharArray()); } return SSLContexts.custom() .loadKeyMaterial(keyStore, P12_PASSWORD.toCharArray()) .build(); } public static void main(String[] args) { try { SSLContext sslContext = createSSLContext(); SSLConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(sslContext); CloseableHttpClient httpClient = HttpClients.custom() .setConnectionManager( PoolingHttpClientConnectionManagerBuilder.create() .setSSLSocketFactory(sslSocketFactory) .build() ) .build(); HttpPost httpPost = new HttpPost(TARGET_URL); // Set your headers httpPost.setHeader("accept", "*/*"); httpPost.setHeader("AUTH_TOKEN", AUTH_TOKEN); httpPost.setHeader("Content-type", "application/json"); // Execute HTTP POST request try (CloseableHttpResponse response = httpClient.execute(httpPost); InputStream responseStream = response.getEntity().getContent(); OutputStream outputStream = new FileOutputStream("testDownload.csv")) { byte[] buffer = new byte[1024]; int bytesRead; while ((bytesRead = responseStream.read(buffer)) != -1) { outputStream.write(buffer, 0, bytesRead); } System.out.println("Response Code: " + response.getCode()); System.out.println("Response downloaded to testDownload.csv"); } } catch (Exception e) { e.printStackTrace(); } }}with Above code I am getting Errorjavax.net.ssl.SSLHandshakeException: PKIX path building failed:
sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target