@@ -138,7 +138,7 @@ private String getAAProcessorVersion() {
 	}
 
 	private String getAAApiVersion() {
-		return propertiesApi.getProperty("version", null);
+		return propertiesApi.getProperty("version", "unknown");
 	}
 
 	private void processThrowing(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) throws ProcessingException, Exception {
Original file line number	Diff line number	Diff line change
`@@ -138,7 +138,7 @@ private String getAAProcessorVersion() {`
`138`	`138`	`}`
`139`	`139`
`140`	`140`	`private String getAAApiVersion() {`
`141`		`- return propertiesApi.getProperty("version", null);`
	`141`	`+ return propertiesApi.getProperty("version", "unknown");`
`142`	`142`	`}`
`143`	`143`
`144`	`144`	`private void processThrowing(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) throws ProcessingException, Exception {`