NPE loading credentials.json if the main class isn't in the root package about java-samples

[GavinC1985]

Aha okay I figured it out - it was the
InputStream in = Main.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
This should be InputStream in = new FileInputStream(CREDENTIALS_FILE_PATH);
The credentials path being the full path:
private static final String CREDENTIALS_FILE_PATH = "src/main/resources/credentials.json";

Hmm it looks like this reference is stale in a lot of the articles...

InputStream in =Quickstart.class.getResourceAsStream("/credentials.json");

Anyway that fixed it for me :-D

[sableeyed]

As long as you add a "/" to CREDENTIALS_FILE_PATH (and assuming credentials is in src/main/java which is where "mkdir -p src/main/java src/main/resources" comes in.

Are you using windows? because the -p switch for mkdir is only present in GNU/Linux Variants.
mkdir --parents src/main/java src/main/resources, which if I am interpreting the man pages correctly, it's kind of like a symbolic link, where your resources files should be visible from src/main/java.

tl;dr, CREDENTIALS_FILE_PATH = "/credentials.json" will suffice on Windows

[erickoledadevrel]

Thanks @mlizbeth for the tip, it seems like there is an issue if the class is not in the root package, since the credentials.json is currently being loaded with a relative path. The instructions say to put the class in the root package, but it's less error prone to specify the absolute path. I'll send out a PR.

@GavinC1985 - It looks like you aren't using Gradle as specified in the instructions, and you are setting the source root at /src instead /src/main/java, resulting in incorrect packages like main.java.Main.