lakshmi-manasa-g opened a new pull request #1277: SAMZA-2459: Upgrade Jackson-core dependency for samza-azure URL: https://github.com/apache/samza/pull/1277 **Symptom:** Samza job using the new AzureBlobSystemProducer requires to explicitly pin jackson-core dependency to be 2.10.0. Other wise, NoClassDefFoundError is thrown for com.fasterxml.jackson.core.TSFBuilder needed by com.azure.storage.blob.BlobServiceClientBuilder.buildAsyncClient which is used by the SystemProducer to setUpAzureContainer. **Cause:** samza-azure's build gradle has jackson-core:2.8.8. Without this explicit pinning, sample samza job's maven resolves jackson-core to 2.6.0 that is pulled in by com.microsoft.azure:azure-storage:5.3.1. However, azure-storage-blob:12.0.1 used by the SystemProducer needs jackson-core:2.10.0. **Changes:** Upgrade jackson-core to 2.10.0 **Tests:** Sample High level job in hello-samza (apache/samza-hello-samza#71) works correctly with these changes and without needing to specify any jackson dependencies.
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