registrar tool throws InvalidAlgorithmParameterException exception

[martyniak]

Java version:

openjdk version "11.0.6" 2020-01-14
OpenJDK Runtime Environment (build 11.0.6+10-post-Debian-1bpo91)
OpenJDK Server VM (build 11.0.6+10-post-Debian-1bpo91, mixed mode)

Exception:

$ registrar . <project-id>
Building validator...
Exception in thread "main" javax.net.ssl.SSLException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
        at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:133)
        at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:320)
        at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:263)
        at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:258)
        at java.base/sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1313)
        at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:408)
        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.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1587)
        at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1515)
        at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:250)
        at org.gradle.wrapper.Download.downloadInternal(Download.java:66)
        at org.gradle.wrapper.Download.download(Download.java:51)
        at org.gradle.wrapper.Install$1.call(Install.java:62)
        at org.gradle.wrapper.Install$1.call(Install.java:48)
        at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:69)
        at org.gradle.wrapper.Install.createDist(Install.java:48)
        at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:107)
        at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
Caused by: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
        at java.base/sun.security.validator.PKIXValidator.<init>(PKIXValidator.java:102)
        at java.base/sun.security.validator.Validator.getInstance(Validator.java:181)
        at java.base/sun.security.ssl.X509TrustManagerImpl.getValidator(X509TrustManagerImpl.java:300)
        at java.base/sun.security.ssl.X509TrustManagerImpl.checkTrustedInit(X509TrustManagerImpl.java:176)
        at java.base/sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:189)
        at java.base/sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:129)
        at java.base/sun.security.ssl.CertificateMessage$T12CertificateConsumer.checkServerCerts(CertificateMessage.java:629)
        at java.base/sun.security.ssl.CertificateStatus$CertificateStatusConsumer.consume(CertificateStatus.java:295)
        at java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:392)
        at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:443)
        at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:421)
        at java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:177)
        at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:164)
        at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1151)
        at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1062)
        at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:402)
        ... 13 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.<init>(PKIXParameters.java:120)
        at java.base/java.security.cert.PKIXBuilderParameters.<init>(PKIXBuilderParameters.java:104)
        at java.base/sun.security.validator.PKIXValidator.<init>(PKIXValidator.java:99)
        ... 28 more

[martyniak]

Closing this issue as this is a Debian bug:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=914424
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=894979