dxichen opened a new pull request, #1645:
URL: https://github.com/apache/samza/pull/1645
Currently if a restore factory is missing due to a misconfiguration we exit
due to a NPE
```
2022-12-13 18:23:07.794 [main] SamzaContainer [ERROR] Caught exception/error
while initializing container.
java.lang.NullPointerException: null
at
org.apache.samza.storage.ContainerStorageManager.lambda$createTaskRestoreManagers$15(ContainerStorageManager.java:485)
~[samza-core_2.12-320.1081.0.4.jar:?]
at java.util.HashMap.forEach(HashMap.java:1289) ~[?:1.8.0_282]
at
org.apache.samza.storage.ContainerStorageManager.createTaskRestoreManagers(ContainerStorageManager.java:480)
~[samza-core_2.12-320.1081.0.4.jar:?]
at
org.apache.samza.storage.ContainerStorageManager.lambda$restoreStores$27(ContainerStorageManager.java:857)
~[samza-core_2.12-320.1081.0.4.jar:?]
at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684)
~[?:1.8.0_282]
```
Changed the behavior to output a more meaningful log
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