Added ApiExceptionManager to try to trace IllegalAnnotationExceptions

src/main/java/org/qora/api/resource/ApiExceptionMapper.java

@@ -0,0 +1,35 @@
+package org.qora.api.resource;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.ext.ExceptionMapper;
+import javax.ws.rs.ext.Provider;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+@Provider
+public class ApiExceptionMapper implements ExceptionMapper<RuntimeException> {
+
+	private static final Logger LOGGER = LogManager.getLogger(ApiExceptionMapper.class);
+
+	@Context
+	private HttpServletRequest request;
+
+	@Context
+	private ServletContext servletContext;
+
+	@Override
+	public Response toResponse(RuntimeException e) {
+		LOGGER.info(String.format("Exception %s during API call: %s", e.getClass().getCanonicalName(), request.getRequestURI()));
+
+		if (e instanceof WebApplicationException)
+			return ((WebApplicationException) e).getResponse();
+
+		return Response.serverError().build();
+	}
+
+}