Release Notes
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Known Issues

Summary of known issues for this release.

  • Issue:

    JDK 8u271 may cause socket leak issues in NiFi, due to JDK-8245417.

    Workaround:

    Consider using JDK 8u261 instead, or a more recent version of the JDK.

  • Issue:

    SAM app with storm-druid sink throws exception.

    Workaround:

    There is no workaround for this issue.

  • Issue:

    When you upgrade HDF from an older version (pre 3.5.0.0) on HDP, Nifi Registry might fail during the start with the following error message:

    Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.4.b: The content of element 'providers' is not complete. One of '{eventHookProvider, extensionBundlePersistenceProvider}' is expected.

    Workaround

    To resolve this issue, add the following configuration to Advanced nifi-registry-providers-env in Ambari:
    <extensionBundlePersistenceProvider>
            <class>org.apache.nifi.registry.provider.extension.FileSystemBundlePersistenceProvider</class>
            <property name="Extension Bundle Storage Directory">{{nifi_registry_internal_dir}}/extension_bundles</property>
    </extensionBundlePersistenceProvider>