Github user jburwell commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/1511#discussion_r78648029
  
    --- Diff: 
utils/src/main/java/com/cloud/utils/security/CertificateHelper.java ---
    @@ -38,125 +38,139 @@
     import java.security.spec.InvalidKeySpecException;
     import java.security.spec.PKCS8EncodedKeySpec;
     import java.util.ArrayList;
    +import java.util.Collection;
    +import java.util.Iterator;
     import java.util.List;
     
    -import com.cloud.utils.exception.CloudRuntimeException;
     import org.apache.commons.codec.binary.Base64;
    +import org.bouncycastle.util.io.pem.PemObject;
    +import org.bouncycastle.util.io.pem.PemReader;
     
     import com.cloud.utils.Ternary;
    -import org.bouncycastle.openssl.PEMReader;
    +import com.cloud.utils.exception.CloudRuntimeException;
     
     public class CertificateHelper {
    -    public static byte[] buildAndSaveKeystore(String alias, String cert, 
String privateKey, String storePassword) throws KeyStoreException, 
CertificateException,
    -        NoSuchAlgorithmException, InvalidKeySpecException, IOException {
    -        KeyStore ks = buildKeystore(alias, cert, privateKey, 
storePassword);
    +    public static byte[] buildAndSaveKeystore(final String alias, final 
String cert, final String privateKey, final String storePassword) throws 
KeyStoreException, CertificateException,
    +    NoSuchAlgorithmException, InvalidKeySpecException, IOException {
    +        final KeyStore ks = buildKeystore(alias, cert, privateKey, 
storePassword);
     
    -        ByteArrayOutputStream os = new ByteArrayOutputStream();
    +        final ByteArrayOutputStream os = new ByteArrayOutputStream();
             ks.store(os, storePassword != null ? storePassword.toCharArray() : 
null);
             os.close();
    --- End diff --
    
    It appears that we potentially leaving a dangling `OutputSteam` instance 
here.  It seems like lines 57 and 58 should be wrapped in a try with resources 
block that translates all checked exceptions to unchecked exceptions and logs 
the error.


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