Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty

I am trying to run the sample RemoteRegistry code snippet & i am getting following errors: import java.net.MalformedURLException; import java.net.URL; import org.wso2.carbon.registry.app.RemoteRegistry; import org.wso2.carbon.registry.core.exceptions.RegistryException; public class TestRegistry { public static void main(String[] args) throws MalformedURLException, RegistryException { System.setProperty("javax.net.ssl.trustStore", "CARBON_HOME/resources/security/client-truststore.jks"); System.setProperty("javax.net.ssl.trustStorePassword", "wso2carbon"); System.setProperty("javax.net.ssl.trustStoreType", "JKS"); RemoteRegistry remote_registry = new RemoteRegistry(new URL( "https://localhost:9443/carbon")); boolean resource = remote_registry .resourceExists("/AutoCRC-MonitoringWebService-SRS-1 1.doc"); System.out.println(resource); } } The error is: Exception in thread "main" java.lang.RuntimeException: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty at org.apache.abdera.protocol.client.AbderaClient.execute(AbderaClient.java:700) at org.apache.abdera.protocol.client.AbderaClient.head(AbderaClient.java:161) at org.wso2.carbon.registry.app.RemoteRegistry.resourceExists(RemoteRegistry.java:310) at TestRegistry.main(TestRegistry.java:22) Caused by: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.handleException(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.handleException(Unknown Source) at com.sun.net.ssl.internal.ssl.AppOutputStream.write(Unknown Source) at java.io.BufferedOutputStream.flushBuffer(Unknown Source) at java.io.BufferedOutputStream.flush(Unknown Source) at org.apache.commons.httpclient.HttpConnection.flushRequestOutputStream(HttpConnection.java:828) at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.flushRequestOutputStream(MultiThreadedHttpConnectionManager.java:1565) at org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBase.java:2116) at org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:1096) at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:398) at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171) at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397) at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323) at org.apache.abdera.protocol.client.AbderaClient.execute(AbderaClient.java:686) ... 3 more Caused by: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty at sun.security.validator.PKIXValidator.(Unknown Source) at sun.security.validator.Validator.getInstance(Unknown Source) at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.getValidator(Unknown Source) at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source) at com.sun.net.ssl.internal.ssl.JsseX509TrustManager.checkServerTrusted(Unknown Source) at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(Unknown Source) at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(Unknown Source) at com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Unknown Source) at com.sun.net.ssl.internal.ssl.Handshaker.process_record(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecord(Unknown Source) ... 15 more Caused by: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty at java.security.cert.PKIXParameters.setTrustAnchors(Unknown Source) at java.security.cert.PKIXParameters.(Unknown Source) at java.security.cert.PKIXBuilderParameters.(Unknown Source) ... 27 more