SSLException

Elastic Stack Elasticsearch
1

I am getting below exception after enabling SSL. I am using self signed.
[

netty.handler.ssl.SslHandler] Failed to clean up SSLEngine.
javax.net.ssl.SSLException: Inbound closed before receiving peer's close_notify: possible truncation attack?
	at sun.security.ssl.Alerts.getSSLException(Alerts.java:208)
	at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1646)
	at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1614)
	at sun.security.ssl.SSLEngineImpl.closeInbound(SSLEngineImpl.java:1541)
	at org.elasticsearch.common.netty.handler.ssl.SslHandler.closeEngine(SslHandler.java:591)
	at org.elasticsearch.common.netty.handler.ssl.SslHandler.channelDisconnected(SslHandler.java:583)
	at org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:102)
	at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
	at org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
	at org.elasticsearch.common.netty.handler.ipfilter.IpFilteringHandlerImpl.handleUpstream(IpFilteringHandlerImpl.java:154)
	at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
	at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
	at org.elasticsearch.common.netty.channel.Channels.fireChannelDisconnected(Channels.java:396)
	at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.close(AbstractNioWorker.java:360)
	at org.elasticsearch.common.netty.channel.socket.nio.NioWorker.read(NioWorker.java:93)
	at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
	at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337)
	at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
	at org.elasticsearch.common.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
	at org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
	at org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

Can someone help what is the root cause behind this exception?

2

Do you get exceptions on the other side of the connection? When you say self-signed, that means you are not using a CA correct? Are all of the certs in your truststore?