I get this error when signing an Ionic android apk, I'm on Kubuntu 17.04, using Ionic 3, java 8 installed
The error I get:
Enter Passphrase for keystore:
updating: META-INF/MANIFEST.MF
adding: META-INF/TEST2.SF
adding: META-INF/TEST2.RSA
signing: AndroidManifest.xml
jarsigner error: java.time.DateTimeException: Invalid value for MonthOfYear (valid values 1 - 12): 0
java version
$ java -version
openjdk version "1.8.0_131"
OpenJDK Runtime Environment (build 1.8.0_131-8u131-b11-2ubuntu1.17.04.3-b11)
OpenJDK 64-Bit Server VM (build 25.131-b11, mixed mode)
javac
$ javac -version
javac 1.8.0_131
I have Android Studio installed and it's working fine, I tested the app source code and it ran on the emulator no problems.