unable to find valid certification path to requested target

1. Add certificate to cacerts with InstallCert.java or linux command line. Put it to %JAVA_HOME%\jre\lib\security\

2. Check or add usage correct -Djavax.net.ssl.trustStore="...\cacerts"

3. Check Network, Firewall and Proxy settings by accessing the site with:
      Try:

         ping host 

         ping ip

      Try:

         telnet hostname port 

AWS SES - Amazon Send Email Service

COMMANDS
javac -cp *; MailTest.java
java -cp *;  -Dlog4j.configurationFile=log4j2-console.xml MailTest

DIR
aws-java-sdk-core-1.11.119.jar
aws-java-sdk-ses-1.11.119.jar
httpclient-4.5.3.jar
httpcore-4.4.6.jar
jackson-annotations-2.7.0.jar
jackson-core-2.7.1.jar
jackson-databind-2.7.1.jar
jcl-over-slf4j-1.7.7.jar
joda-time-2.8.1.jar
log4j-api-2.1.jar
log4j-core-2.1.jar
log4j-slf4j-impl-2.1.jar
log4j2-console.xml
MailTest.class
MailTest.java

slf4j-api-1.7.7.jar

MailTest.java

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.simpleemail.AmazonSimpleEmailService;
import com.amazonaws.services.simpleemail.AmazonSimpleEmailServiceClientBuilder;
import com.amazonaws.services.simpleemail.model.Body;
import com.amazonaws.services.simpleemail.model.Content;
import com.amazonaws.services.simpleemail.model.Destination;
import com.amazonaws.services.simpleemail.model.Message;
import com.amazonaws.services.simpleemail.model.SendEmailRequest;


public class MailTest {

private static final Logger LOGGER = LoggerFactory.getLogger(MailTest.class);

public static void main(String[] args) {

System.out.println("=start=");

String awsAccessKey="change_it";
String awsSecretKey="change_it";
String awsSesRegion="us-west-2";

BasicAWSCredentials credentials = new BasicAWSCredentials(awsAccessKey, awsSecretKey);

AmazonSimpleEmailService amazonSesClient = AmazonSimpleEmailServiceClientBuilder.standard()
.withCredentials(new AWSStaticCredentialsProvider(credentials))
.withRegion(awsSesRegion)
.build();


Content subjectContent = new Content("subject");
Content bodyContent = new Content("body email content");

Body mailBody = new Body().withText(bodyContent);

Message message = new Message().withSubject(subjectContent).withBody(mailBody);

Destination destination = new Destination().withToAddresses("alexey.zavizionov@gmail.com");
SendEmailRequest request = new SendEmailRequest()
.withSource("alexey.zavizionov@gmail.com")
.withDestination(destination)
.withMessage(message);

System.out.println("===============");
System.out.println(request);
System.out.println("---------------");

try {
amazonSesClient.sendEmail(request);
LOGGER.debug("Email with subject '{}' was sent to: {}", "subject", "alexey.zavizionov@gmail.com");
return;
} catch (AmazonServiceException a) {
LOGGER.error("Maximum sending rate exceeded when sending email: {}", message, a);
return;
} catch (Exception e) {
LOGGER.error("Failed to send email: {}", message, e);
return;
} finally {
System.out.println("=THE END=");
}

}

}

log4j2-console.xml

code

   

       

           

                %level{length=1} %date{MMdd-HHmm:ss,SSS} %logger{1.} %message [%thread]%n

           

       

   

   

       

           

       

   

Error: Could not find or load main class - SOLUTION

PROBLEM:
Error: Could not find or load main class

SOLUTION:
java -cp *;  MyTest
Don't forget to use ";"!

Eclipse + OSGi + m2e + Tycho plugin

Eclipse Java EE IDE for Web Developers.

Version: Mars Release (4.5.0)

Build id: 20150621-1200

https://www.eclipse.org/downloads/packages/eclipse-ide-java-ee-developers/mars2

Or use a new one
https://www.eclipse.org/downloads/packages/eclipse-ide-java-ee-developers/oxygen1


---
m2e should be already installed in eclipse

---

Tycho software site

org.sonatype.tycho.repository -
http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-tycho/0.8.0/N/0.8.0.201409231215/

Open resource

Click at "Set as Target Platform"

Eclipse download statistic

Version                 Year	EE	ide	classic	size ee
Galileo 3.5.2        2009	745	1094	651	190
Helios 3.6.2         2010	3982	934	421	206
Indigo 3.7.2         2011	4671156	1659485	3223475	213
Juno 4.2.2            2012	2825040	1119755	1827173	229
Kepler 4.3.2        2013	4174634	1235322	5699326	250
Luna 4.4.2           2014	2561008	4392111	347281	254
Mars 4.5.2           2015	3419709	1479877	169154	275
Neon                    2016	1805982	804094	54177	304
Oxygen                2017	136808	88226	8991	328