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https://issues.apache.org/jira/browse/CAMEL-23729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marco Carletti resolved CAMEL-23729.
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Resolution: Fixed
> camel-google-secret-manager: NoClassDefFoundError due to protobuf 3.x/4.x
> version mismatch
> ------------------------------------------------------------------------------------------
>
> Key: CAMEL-23729
> URL: https://issues.apache.org/jira/browse/CAMEL-23729
> Project: Camel
> Issue Type: Bug
> Components: camel-google
> Affects Versions: 4.18.2
> Reporter: Marco Carletti
> Assignee: Marco Carletti
> Priority: Major
> Fix For: 4.18.3
>
>
> {{camel-google-secret-manager}} fails at runtime with {{NoClassDefFoundError:
> com/google/protobuf/RuntimeVersion$RuntimeDomain}} because
> {{google-cloud-secretmanager:2.84.0}} transitively requires protobuf 4.x,
> while the Camel BOM pins {{protobuf-java}} to 3.25.5.
> *Root Cause*
> {{google-cloud-secretmanager:2.84.0}} pulls
> {{{}proto-google-cloud-secretmanager-v1:2.84.0{}}}, whose generated stubs
> were compiled against protobuf 4.33.2. The class
> {{com.google.protobuf.RuntimeVersion$RuntimeDomain}} was introduced in
> protobuf 4.27.0 and is referenced from {{{}ListSecretsRequest.<clinit>{}}}.
> The Camel parent BOM ({{{}parent/pom.xml{}}}) manages {{protobuf-java}} to
> 3.25.5, which does not contain that class. Maven silently downgrades protobuf
> at build time:
> {code:java}
> com.google.protobuf:protobuf-java:jar:3.25.5:compile (version managed from
> 4.33.2)
> {code}
> At runtime, the static initializer of {{ListSecretsRequest}} fails with
> {{{}NoClassDefFoundError{}}}.
> *Affected Scope*
> Only {{camel-google-secret-manager}} is affected. Other Google Cloud
> components (BigQuery, PubSub, Sheets) use proto libraries still compatible
> with protobuf 3.x:
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