Just to be safe, make sure plainIn is back in write mode if we decide to continue.

dimas · acogoluegnes · commit 82d0fb0ad9cf · 2017-10-13T15:47:08.000+02:00
That branch should never be happening really, but again, just to be safe...
diff --git a/src/main/java/com/rabbitmq/client/impl/nio/SslEngineByteBufferInputStream.java b/src/main/java/com/rabbitmq/client/impl/nio/SslEngineByteBufferInputStream.java
@@ -60,6 +60,7 @@ public int read() throws IOException {
                     if (plainIn.hasRemaining()) {
                         return readFromBuffer(plainIn);
                     }
+                    plainIn.clear();
                     break;
                 case BUFFER_OVERFLOW:
                     throw new SSLException("buffer overflow in read");

Original file line number	Diff line number	Diff line change
`@@ -60,6 +60,7 @@ public int read() throws IOException {`
`60`	`60`	`if (plainIn.hasRemaining()) {`
`61`	`61`	`return readFromBuffer(plainIn);`
`62`	`62`	`}`
	`63`	`+ plainIn.clear();`
`63`	`64`	`break;`
`64`	`65`	`case BUFFER_OVERFLOW:`
`65`	`66`	`throw new SSLException("buffer overflow in read");`