Github user dhruve commented on a diff in the pull request:
https://github.com/apache/spark/pull/18392#discussion_r123604457
--- Diff:
common/network-common/src/main/java/org/apache/spark/network/sasl/SparkSaslServer.java
---
@@ -187,14 +188,26 @@ public void handle(Callback[] callbacks) throws
IOException, UnsupportedCallback
/* Encode a byte[] identifier as a Base64-encoded string. */
public static String encodeIdentifier(String identifier) {
Preconditions.checkNotNull(identifier, "User cannot be null if SASL is
enabled");
- return
Base64.encode(Unpooled.wrappedBuffer(identifier.getBytes(StandardCharsets.UTF_8)))
- .toString(StandardCharsets.UTF_8);
+ return getBase64EncodedString(identifier);
}
/** Encode a password as a base64-encoded char[] array. */
public static char[] encodePassword(String password) {
Preconditions.checkNotNull(password, "Password cannot be null if SASL
is enabled");
- return
Base64.encode(Unpooled.wrappedBuffer(password.getBytes(StandardCharsets.UTF_8)))
- .toString(StandardCharsets.UTF_8).toCharArray();
+ return getBase64EncodedString(password).toCharArray();
+ }
+
+ /** Return a Base64-encoded string. */
+ private static String getBase64EncodedString (String str) {
+ ByteBuf byteBuf = null, encodedByteBuf = null;
+ try {
+ byteBuf =
Unpooled.wrappedBuffer(str.getBytes(StandardCharsets.UTF_8));
+ encodedByteBuf = Base64.encode(byteBuf);
+ return encodedByteBuf.toString(StandardCharsets.UTF_8);
+ } finally {
+ // The release is called to suppress the memory leak error messages
raised by netty.
+ byteBuf.release();
--- End diff --
Just wanted a perspective :-)
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