//snippet-sourcedescription:[DescribeSecurityGroups.java demonstrates how to get information about all the Amazon EC2 security groups.]
//snippet-keyword:[SDK for Java 2.0]
//snippet-keyword:[Code Sample]
//snippet-service:[Amazon EC2]
//snippet-sourcetype:[full-example]
//snippet-sourcedate:[2/11/2020]
//snippet-sourceauthor:[scmacdon]

/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

package com.example.ec2;

// snippet-start:[ec2.java2.describe_security_groups.import]
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.ec2.Ec2Client;
import software.amazon.awssdk.services.ec2.model.DescribeSecurityGroupsRequest;
import software.amazon.awssdk.services.ec2.model.DescribeSecurityGroupsResponse;
import software.amazon.awssdk.services.ec2.model.SecurityGroup;
import software.amazon.awssdk.services.ec2.model.Ec2Exception;
// snippet-end:[ec2.java2.describe_security_groups.import]

/**
 * Describes all security groups
 */
public class DescribeSecurityGroups {

    public static void main(String[] args) {
        final String USAGE =
                "To run this example, supply a group ID.\n" +
                        "Ex: DescribeSecurityGroups <group-id>\n";

        if (args.length != 1) {
            System.out.println(USAGE);
            System.exit(1);
        }

        String groupId = args[0];

        // Create an Ec2Client object
        Region region = Region.US_WEST_2;
        Ec2Client ec2 = Ec2Client.builder()
                .region(region)
                .build();

        describeEC2SecurityGroups(ec2, groupId);

    }
        // snippet-start:[ec2.java2.describe_security_groups.main]
     public static void describeEC2SecurityGroups(Ec2Client ec2, String groupId) {

        try {

            DescribeSecurityGroupsRequest request =
                DescribeSecurityGroupsRequest.builder()
                        .groupIds(groupId).build();

            DescribeSecurityGroupsResponse response =
                ec2.describeSecurityGroups(request);

             for(SecurityGroup group : response.securityGroups()) {
                System.out.printf(
                    "Found security group with ID %s, " +
                            "VPC ID %s " +
                            "and description %s",
                    group.groupId(),
                    group.vpcId(),
                    group.description());
            }
        } catch (Ec2Exception e) {
            e.getStackTrace();
        }
         // snippet-end:[ec2.java2.describe_security_groups.main]
    }
}

@@ -3062,24 +3062,91 @@
     
-e.getStackTrace(
+ System.err.println(e.awsErrorDetails().errorMessage());%0D%0A            System.exit(1
 );%0D%0A

Update DescribeSecurityGroups.java