Exception in thread "main" java.lang.NullPointerException

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Exception in thread "main" java.lang.NullPointerException
	at ConexionBD.ConexionOracle.Desconectar(ConexionOracle.java:74)
	at ConexionBD.ConexionOracle.select(ConexionOracle.java:92)
	at email.Graph.makeGraphCall(Graph.java:150)
	at email.App.makeGraphCall(App.java:144)
	at email.App.main(App.java:84)

> Task :app:run FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:run'.
> Process 'command 'C:\Program Files\Java\jdk1.8.0_202\bin\java.exe'' finished with non-zero exit value 1

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 8s
3 actionable tasks: 1 executed, 2 up-to-date
2

Is there a question hidden somewhere?
Especially a Gradle question, as you post in the Gradle community. :slight_smile: