我试图运行OPC-UA Java Stack附带的一个示例并获得以下异常。
Exception in thread "main" org.opcfoundation.ua.common.RuntimeServiceResultException: org.opcfoundation.ua.common.ServiceResultException: Bad_CertificateInvalid (code=0x80120000, description="2148663296, java.io.IOException: Duplicate extensions not allowed")
at org.opcfoundation.ua.transport.TransportChannelSettings.getServerCertificate(TransportChannelSettings.java:114)
at org.opcfoundation.ua.transport.tcp.io.TcpConnection.initialize(TcpConnection.java:376)
at org.opcfoundation.ua.transport.tcp.io.SecureChannelTcp.initialize(SecureChannelTcp.java:273)
at org.opcfoundation.ua.transport.tcp.io.SecureChannelTcp.initialize(SecureChannelTcp.java:246)
at org.opcfoundation.ua.application.Client.createSecureChannel(Client.java:640)
at org.opcfoundation.ua.application.Client.createSecureChannel(Client.java:555)
at org.opcfoundation.ua.application.Client.createSessionChannel(Client.java:370)
at org.opcfoundation.ua.application.Client.createSessionChannel(Client.java:345)
at org.opcfoundation.ua.examples.SampleClient.main(SampleClient.java:109)
Caused by: org.opcfoundation.ua.common.ServiceResultException: Bad_CertificateInvalid (code=0x80120000, description="2148663296, java.io.IOException: Duplicate extensions not allowed")
at org.opcfoundation.ua.transport.security.Cert.<init>(Cert.java:143)
at org.opcfoundation.ua.transport.TransportChannelSettings.getServerCertificate(TransportChannelSettings.java:112)
... 8 more
Caused by: java.security.cert.CertificateParsingException: java.io.IOException: Duplicate extensions not allowed
at sun.security.x509.X509CertInfo.<init>(X509CertInfo.java:169)
at sun.security.x509.X509CertImpl.parse(X509CertImpl.java:1804)
at sun.security.x509.X509CertImpl.<init>(X509CertImpl.java:195)
at sun.security.provider.X509Factory.engineGenerateCertificate(X509Factory.java:102)
at java.security.cert.CertificateFactory.generateCertificate(CertificateFactory.java:339)
at org.opcfoundation.ua.utils.CertificateUtils.decodeX509Certificate(CertificateUtils.java:193)
at org.opcfoundation.ua.transport.security.Cert.<init>(Cert.java:136)
... 9 more
Caused by: java.io.IOException: Duplicate extensions not allowed
at sun.security.x509.CertificateExtensions.parseExtension(CertificateExtensions.java:115)
at sun.security.x509.CertificateExtensions.init(CertificateExtensions.java:88)
at sun.security.x509.CertificateExtensions.<init>(CertificateExtensions.java:78)
at sun.security.x509.X509CertInfo.parse(X509CertInfo.java:702)
at sun.security.x509.X509CertInfo.<init>(X509CertInfo.java:167)
... 15 more
我尝试运行另一个客户端（c＃）并且它可以工作。