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Certificate problems
February 15, 2019
16:13, EET
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Predixer
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December 6, 2017
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Hi,
I’m working with prosys-opc-ua-java-sdk-3.1.8-580-client. (Linux)
– I try to connect the OPC UA Server of a Bosch MTX-Machine.
– The security mode of the Uaclient is set to “SecurityMode.NONE”.

The Methode UaClient.connect() throws a ServiceException. Reason: The endpoint.getServerCertificate().getValue() returns an array with length 0.:
com.prosysopc.ua.ServiceException: Bad_CertificateInvalid (code=0x80120000, description=”2148663296, Could not parse certificate: java.io.IOException: Empty input”) ServiceResult=Bad_CertificateInvalid (0x80120000) “The certificate provided as a parameter is not valid.”
at com.prosysopc.ua.client.UaClient.connect(SourceFile:7590)
at com.develop.OpcUaBasicTests.connect(OpcUaBasicTests.java:95)
at com.develop.OpcUaBasicTests.testMonitoring(OpcUaBasicTests.java:46)
at com.develop.Main.main(Main.java:10)

The Prosys OPC UA Client v3.1.4-293 seems to have the same problem.

With prosys-opc-ua-java-sdk-2.3.2-781 and Prosys OPC UA Client prosys-opc-ua-client-2.3.3-170 everything worked fine.
Is there any solution for the problem?

February 15, 2019
17:23, EET
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Bjarne Boström
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Hi,

We are aware of this problem. Next release will have a fix, we can send beta versions by mail earlier if needed.

Currently (for that release version) the only solution is to fix the server side to return null ByteStrings instead of empty if there is no cert.

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