Stream is not a content package. Missing 'jcr_root'
Environment: Mac OS (AEM 6.5 + Adaptive Forms)
Test Scenario:
1. Install AEM 6.5 (AEM_6.5_Quickstart.jar)
2. Install Adaptive Forms (AEM-FORMS-6.5-OSX-6.0.80.zip)
3. Getting below Error and Info pair on every restart of aem
08.06.2019 23:27:57.317 *ERROR* [OsgiInstallerImpl] org.apache.jackrabbit.vault.packaging.registry.impl.JcrPackageRegistry Stream is not a content package. Missing 'jcr_root'.
08.06.2019 23:27:57.317 *INFO* [OsgiInstallerImpl] com.adobe.granite.installer.factory.packages.impl.PackageTransformer Unable to check content package {}
java.io.IOException: Stream is not a content package. Missing 'jcr_root'.
at org.apache.jackrabbit.vault.packaging.registry.impl.JcrPackageRegistry.upload(JcrPackageRegistry.java:377) [org.apache.jackrabbit.vault:3.2.8]
at org.apache.jackrabbit.vault.packaging.impl.JcrPackageManagerImpl.upload(JcrPackageManagerImpl.java:183) [org.apache.jackrabbit.vault:3.2.8]
at com.adobe.granite.installer.factory.packages.impl.PackageTransformer.checkForPackage(PackageTransformer.java:182) [com.adobe.granite.installer.factory.packages:1.0.14]
at com.adobe.granite.installer.factory.packages.impl.PackageTransformer.transform(PackageTransformer.java:131) [com.adobe.granite.installer.factory.packages:1.0.14]
at org.apache.sling.installer.core.impl.OsgiInstallerImpl.transformResources(OsgiInstallerImpl.java:969) [org.apache.sling.installer.core:3.9.0]
at org.apache.sling.installer.core.impl.OsgiInstallerImpl.run(OsgiInstallerImpl.java:292) [org.apache.sling.installer.core:3.9.0]
at java.lang.Thread.run(Thread.java:748)