请问我的es安装了searchguard 在启动的时候 总是报错 Received fatal alert: certificate_unknown 请问有大哥遇见过么

[2019-09-05T20:44:23,064][DEBUG][o.e.a.a.i.e.i.TransportIndicesExistsAction] [node-0] no known master node, scheduling a retry
[2019-09-05T20:44:23,167][ERROR][c.f.s.s.t.SearchGuardSSLNettyTransport] [node-0] SSL Problem Received fatal alert: certificate_unknown
javax.net.ssl.SSLException: Received fatal alert: certificate_unknown
at sun.security.ssl.Alerts.getSSLException(Alerts.java:208) ~[?:?]
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1666) ~[?:?]
at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1634) ~[?:?]
at sun.security.ssl.SSLEngineImpl.recvAlert(SSLEngineImpl.java:1800) ~[?:?]
at sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:1083) ~[?:?]
at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:907) ~[?:?]
at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781) ~[?:?]
at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624) ~[?:1.8.0_152]
at io.netty.handler.ssl.SslHandler$SslEngineType$3.unwrap(SslHandler.java:294) ~[netty-handler-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1297) ~[netty-handler-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1199) ~[netty-handler-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1243) ~[netty-handler-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:502) ~[netty-codec-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:441) ~[netty-codec-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:278) ~[netty-codec-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:544) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:498) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) [netty-transport-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897) [netty-common-4.1.30.Final.jar:4.1.30.Final]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]