WildFly Openssh Hang while handshake with openjdk 1.8 302 release

[hliao]

I am using wildfly openssh as replacement for java ssh to enhance the performance, and it looks in most of the cases it working fine. but after we upgrade to open jdk 1.8 302,  it hang for no reason, and no time out. 

wildfly openssh version : 2.1.4.Final

the java version is :

openjdk version "1.8.0_302"

OpenJDK Runtime Environment (build 1.8.0_302-b08)

OpenJDK 64-Bit Server VM (build 25.302-b08, mixed mode)

OS Version:

NAME="CentOS Linux"

VERSION="7 (Core)"

ID="centos"

ID_LIKE="rhel fedora"

VERSION_ID="7"

PRETTY_NAME="CentOS Linux 7 (Core)"

ANSI_COLOR="0;31"

CPE_NAME="cpe:/o:centos:centos:7"

and openssh version 

OpenSSL> version

OpenSSL 1.0.2k-fips  26 Jan 2017

stack trace for program :

java.lang.Thread.State: RUNNABLE

at org.wildfly.openssl.SSLImpl.pendingWrittenBytesInBIO0(Native Method)

at org.wildfly.openssl.SSLImpl.pendingWrittenBytesInBIO(SSLImpl.java:90)

at org.wildfly.openssl.OpenSSLEngine.wrap(OpenSSLEngine.java:452)

• locked <0x00000000d3cc12f8> (a org.wildfly.openssl.OpenSSLEngine)

at javax.net.ssl.SSLEngine.wrap(SSLEngine.java:471)

at org.wildfly.openssl.OpenSSLSocket.runHandshake(OpenSSLSocket.java:305)

at org.wildfly.openssl.OpenSSLSocket.startHandshake(OpenSSLSocket.java:224)