PKIX path building failed:, when trying to create aws SQS queue - amazon-web-services

Question

I am trying to create an aws SQS queue as below -
AmazonSQS sqs = new AmazonSQSClient(credentials);
String myQueueUrl = sqs.createQueue(new CreateQueueRequest("myQueue")).getQueueUrl();
And I am getting below error at this point -
(I already imported certificate to local keystore however it still fails with below error message - point to be noted is it works perfectly fine for S3, I am able to do s3 putObject but givig this error for SQS and SNS)-
INFO: Unable to execute HTTP request: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1949)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1506)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:979)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:914)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1062)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1375)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387)
at org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:394)
at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.upgrade(DefaultHttpClientConnectionOperator.java:192)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.upgrade(PoolingHttpClientConnectionManager.java:369)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.amazonaws.http.conn.ClientConnectionManagerFactory$Handler.invoke(ClientConnectionManagerFactory.java:76)
at com.amazonaws.http.conn.$Proxy18.upgrade(Unknown Source)
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:415)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
at com.amazonaws.http.apache.client.impl.SdkHttpClient.execute(SdkHttpClient.java:72)
at com.amazonaws.http.AmazonHttpClient.executeOneRequest(AmazonHttpClient.java:787)
at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:630)
at com.amazonaws.http.AmazonHttpClient.doExecute(AmazonHttpClient.java:405)
at com.amazonaws.http.AmazonHttpClient.executeWithTimer(AmazonHttpClient.java:367)
at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:318)
at com.amazonaws.services.sqs.AmazonSQSClient.doInvoke(AmazonSQSClient.java:1726)
at com.amazonaws.services.sqs.AmazonSQSClient.invoke(AmazonSQSClient.java:1696)
at com.amazonaws.services.sqs.AmazonSQSClient.createQueue(AmazonSQSClient.java:700)
Kindly help me resolve this issue.