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16:48, EEST
August 11, 2023
Offline
Hi, hope you are well!
After we updated to the latest version 5.2.4-147, we are getting:
java.lang.NoClassDefFoundError: org/bouncycastle/operator/OperatorCreationException
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:421)
at java.base/java.lang.Class.forName(Class.java:412)
at com.prosysopc.ua.stack.utils.CertificateUtils.getCertificateProvider(SourceFile:511)
at com.prosysopc.ua.stack.utils.CertificateUtils.a(SourceFile:1151)
at com.prosysopc.ua.stack.utils.CertificateUtils.a(SourceFile:1138)
at com.prosysopc.ua.stack.utils.CertificateUtils.createApplicationInstanceCertificate(SourceFile:147)
at com.prosysopc.ua.ApplicationIdentity.createKeyPair(SourceFile:321)
at com.prosysopc.ua.ApplicationIdentity.createCertificate(SourceFile:213)
at com.prosysopc.ua.ApplicationIdentity.createCertificate(SourceFile:124)
at com.prosysopc.ua.ApplicationIdentity.createCertificate(SourceFile:96)
at com.connectedcooking.opcua.dynamicnodemanager.adaptor.prosys.ProsysServerITTest.setup(ProsysServerITTest.java:71)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
Caused by: java.lang.ClassNotFoundException: org.bouncycastle.operator.OperatorCreationException
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
… 14 more
Bouncy castle was already updated to 1.78.1 prior to the SDK update. Is this something known already?
9:54, EEST
April 3, 2012
Offline
Hi,
Most likely the root cause is similar to: https://forum.prosysopc.com/forum/opc-ua-java-sdk/stuck-within-uaclientconnect
Though that is not related to SDK updates per se. At least not directly though you didn’t specify from which version did you update.
Basically you must ensure there is exactly one “flavor” and version of BouncyCastle on the classpath. If you have more than one set of jars for BC, it is random which of the classes would be picked when Java tries to resolve a class (thus e.g. one version of BC tries to start and fails to see classes it expects from the other of its jars).
Thus, if you use the flavor that we ship, ensure you have exactly:
bcpkix-jdk15to18-1.78.1.jar
bcprov-jdk15to18-1.78.1.jar
bcutil-jdk15to18-1.78.1.jar
on the classpath and none other (BC jars). These are the ones that would be used if you use the maven integration.
P.S.
Though note that depending on your application etc. other libraries you might be using some other flavor, such as the ‘jdk18on’, in which case you wouldn’t add those ‘jdk15to18’ jars (SDK should work with the jdk18on as well, just that it includes a modulepath descriptor that might fail on JDK8). If you use the Maven intergration that comes with the SDK, then either modify the pom before running the install or exclude the BC dependencies in your application pom.xml (or equivalent). Or if you updated anything else please check that e.g. that one didn’t e.g. change it’s flavor of BC.
P.S.2
we did change to the ‘jdk15to18’ flavor from ‘jdk15on’ somewhere in 4.x since BC changed things, so if you updated from before that the change of artifactIds for maven integration would explain it.
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