amazon web services - AWS Lambda Java how to read properties file -


i try load properties properties class file. expect solution work: how load property file classpath in aws lambda java

i have class few static methods , want use config holder. inside there line

final inputstream inputstream =  config.class.getclass().getresourceasstream("/application-main.properties"); 

and returns null. downloaded zip package lambda using , file inside in root. not work nevertheless.

anyone had similar issue?

edit: config file here:

project └───src │   └───main │      └───resources │            application-main.properties 

edit: "temporary" workaround looks that:

// load props classpath... try (inputstream = config.class.getresourceasstream(filename)) {         props.load(is);     } catch (ioexception|nullpointerexception exc) {         // ...or filesystem         file file = new file(filename);         try (inputstream = new fileinputstream(file)) {             props.load(is);         } catch (ioexception exc2) {             throw new runtimeexception("could not read properties file.");         }     } 

during tests reads classpath, after deployment in aws lambda runtime uses filesystem. identify file used env variable:

filename = system.getenv("lambda_task_root")  + "/application-main.properties"; 

but rather use classpath without working around.

let's assume have following folder structure:

project  └───src  │   └───main  │      └───resources  │            config.properties

and lambda handler:

classloader loader = config.class.getclassloader();  inputstream input = loader.getresourceasstream("config.properties");

that may work...


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