The Error “manifest for java:8-jre-alpine not found: manifest unknown: manifest unknown”, is an error that is invoked when you are working on java and you are using selnium and trying to open a page on chrome.
Given below is the snippet of the error you might get:
manifest for java:8-jre-alpine not found: manifest unknown: manifest unknown
To fix the error and to make sure the error is not repeated again it is important to know the cause of the error and how to fix the error.
Below we will discuss the cause of the error, “manifest for java:8-jre-alpine not found: manifest unknown: manifest unknown”:
The error “manifest for java:8-jre-alpine not found: manifest unknown: manifest unknown” is seen because the Java image’s deprecation that is causing the problem.
Given below snippet is showing the official statement on java image that ‘DEPRECATED: use ”openjdk” (or other JDK implementations) instead’, error mean to use either the ‘openjdk’ or any other alternate JDK implementations rather java.

To fix the error, “manifest for java:8-jre-alpine not found: manifest unknown: manifest unknown”, you will have to change java:8 to amazoncorretto:8 and it would fix the issue.
This error could also be resolved by changing java:8 to openjdk:8
The main cause of the error is that the Java image’s deprecation.
To fix the error, you will have to change java:8 to amazoncorretto:8. This error could also be resolved by changing java:8 to openjdk:8
This should help you to fix the issue, “manifest for java:8-jre-alpine not found: manifest unknown: manifest unknown”.
Conclusion
To fix the error, “manifest for java:8-jre-alpine not found: manifest unknown: manifest unknown”, you will have to change java:8 to amazoncorretto:8. This error could also be resolved by changing java:8 to openjdk:8 .
The error is seen because the Java image’s deprecation may be the cause of the problem.