Trying to install X-Pack in my linux machine having a java based error

Hello everyone. I'm trying to install X-Pack on my machine, but seem like I'm having this Java-based issue. Any help would be much appreciated.

/elasticsearch-plugin install x-packException in thread "main" javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at java.base/sun.security.ssl.Alerts.getSSLException(Alerts.java:214)
at java.base/sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1974)
at java.base/sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1926)
at java.base/sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1909)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1436)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1413)
at java.base/sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:567)
at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:163)
at org.elasticsearch.plugins.InstallPluginCommand.urlExists(InstallPluginCommand.java:306)
at org.elasticsearch.plugins.InstallPluginCommand.getElasticUrl(InstallPluginCommand.java:273)
at org.elasticsearch.plugins.InstallPluginCommand.download(InstallPluginCommand.java:229)
at org.elasticsearch.plugins.InstallPluginCommand.execute(InstallPluginCommand.java:221)
at org.elasticsearch.plugins.InstallPluginCommand.execute(InstallPluginCommand.java:212)
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86)
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)
at org.elasticsearch.cli.MultiCommand.execute(MultiCommand.java:75)
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)
at org.elasticsearch.cli.Command.main(Command.java:90)
at org.elasticsearch.plugins.PluginCli.main(PluginCli.java:48)
Caused by: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at java.base/sun.security.validator.PKIXValidator.(PKIXValidator.java:89)
at java.base/sun.security.validator.Validator.getInstance(Validator.java:181)
at java.base/sun.security.ssl.X509TrustManagerImpl.getValidator(X509TrustManagerImpl.java:330)
at java.base/sun.security.ssl.X509TrustManagerImpl.checkTrustedInit(X509TrustManagerImpl.java:180)
at java.base/sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:192)
at java.base/sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:133)
at java.base/sun.security.ssl.ClientHandshaker.checkServerCerts(ClientHandshaker.java:1947)
at java.base/sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1777)
at java.base/sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:264)
at java.base/sun.security.ssl.Handshaker.processLoop(Handshaker.java:1098)
at java.base/sun.security.ssl.Handshaker.processRecord(Handshaker.java:1026)
at java.base/sun.security.ssl.SSLSocketImpl.processInputRecord(SSLSocketImpl.java:1137)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1074)
at java.base/sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
at java.base/sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1402)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1429)
... 15 more
Caused by: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at java.base/java.security.cert.PKIXParameters.setTrustAnchors(PKIXParameters.java:200)
at java.base/java.security.cert.PKIXParameters.(PKIXParameters.java:120)
at java.base/java.security.cert.PKIXBuilderParameters.(PKIXBuilderParameters.java:104)
at java.base/sun.security.validator.PKIXValidator.(PKIXValidator.java:86)
... 30 more

Thanks

Hi Ashan,

It sounds like your Java installation is corrupt. Having no information or context on the specifics of your OS, we can't offer very specific suggestions. I would start by purging and reinstalling Java for your OS. If the problem persists, please share more information regarding your OS and the Java version.

Thank you very much for the support. I have a Ubuntu MATE 18.04 LTS running on 4 nodes. I am actually trying to learning the Elastic Stack and X-Pack before moving in to my production installations.

My suggestion still stands.

You can look here for instance

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