java.lang.NullPointerException. what is th problem
FATAL EXCEPTION: main
Process: com.example.myroom, PID: 15937
java.lang.NullPointerException
at com.example.myroom.Utils.getCurrentUserId(Utils.kt:39)
at com.example.myroom.auth.OTPFragment.verifyOtp(OTPFragment.kt:57)
at com.example.myroom.auth.OTPFragment.onLoginButtonClicked$lambda$1(OTPFragment.kt:51)
at com.example.myroom.auth.OTPFragment.$r8$lambda$H1SQCA2m8i1BlLwc7MGU-xAoj_s(Unknown Source:0)
at com.example.myroom.auth.OTPFragment$$ExternalSyntheticLambda1.onClick(D8$$SyntheticClass:0)
at android.view.View.performClick(View.java:7740)
at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1213)
at android.view.View.performClickInternal(View.java:7710)
at android.view.View.-$$Nest$mperformClickInternal(Unknown Source:0)
at android.view.View$PerformClick.run(View.java:30629)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loopOnce(Looper.java:257)
at android.os.Looper.loop(Looper.java:368)
at android.app.ActivityThread.main(ActivityThread.java:8826)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:572)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1049)
java.lang.NullPointerException: Cannot invoke “org.springframework.core.env.Environment.getProperty(String)” because “this.env” is null
writing a common service to get user details by username as below: