```
root@73dd2e784003:/# aptitude why openjdk-17-jre
i   cassandra      Depends  openjdk-8-jre-headless | java8-runtime
i A openjdk-17-jre Provides java8-runtime     
```
```
root@73dd2e784003:/# aptitude show java8-runtime
No candidate version found for java8-runtime
Package: java8-runtime
State: not a real package
Provided by: default-jre (2:1.11-72), openjdk-11-jre (11.0.10+9-1), openjdk-15-jre (15.0.2+7-1), openjdk-16-jre (16~35-1), openjdk-17-jre (17~9-1)
```