Examples with BackendLimitExceededException org.projectnessie.versioned.BackendLimitExceededException used on opensource projects

Example 1 with BackendLimitExceededException

use of org.projectnessie.versioned.BackendLimitExceededException in project nessie by projectnessie.

the class ErrorTestService method unhandledExceptionInTvsStore.

/**
 * Throws an exception depending on the parameter.
 *
 * @return nothing
 * @see TestNessieError#unhandledRuntimeExceptionInStore()
 * @see TestNessieError#backendThrottledExceptionInStore()
 */
@Path("unhandledExceptionInTvsStore/{exception}")
@GET
@Consumes(MediaType.APPLICATION_JSON)
public String unhandledExceptionInTvsStore(@PathParam("exception") String exception) throws ReferenceNotFoundException {
    Exception ex;
    switch(exception) {
        case "runtime":
            ex = new RuntimeException("Store.getValues-throwing");
            break;
        case "throttle":
            ex = new BackendLimitExceededException("Store.getValues-throttled");
            break;
        default:
            throw new IllegalArgumentException("test code error");
    }
    DatabaseAdapter databaseAdapter = Mockito.mock(DatabaseAdapter.class);
    Mockito.when(databaseAdapter.namedRefs(Mockito.any())).thenThrow(ex);
    PersistVersionStore<BaseContent, CommitMessage, BaseContent.Type> tvs = new PersistVersionStore<>(databaseAdapter, SimpleStoreWorker.INSTANCE);
    try (Stream<ReferenceInfo<CommitMessage>> refs = tvs.getNamedRefs(GetNamedRefsParams.DEFAULT)) {
        refs.forEach(ref -> {
        });
    }
    return "we should not get here";
}

Example 2 with BackendLimitExceededException

use of org.projectnessie.versioned.BackendLimitExceededException in project nessie by projectnessie.

the class NessieExceptionMapper method toResponse.

@Override
public Response toResponse(Exception exception) {
    ErrorCode errorCode;
    String message;
    if (exception instanceof BaseNessieClientServerException) {
        BaseNessieClientServerException e = (BaseNessieClientServerException) exception;
        errorCode = e.getErrorCode();
        message = exception.getMessage();
    } else if (exception.getCause() instanceof BaseNessieClientServerException) {
        BaseNessieClientServerException e = (BaseNessieClientServerException) exception.getCause();
        errorCode = e.getErrorCode();
        message = exception.getCause().getMessage();
    } else if (exception instanceof JsonParseException || exception instanceof JsonMappingException || exception instanceof IllegalArgumentException) {
        errorCode = ErrorCode.BAD_REQUEST;
        message = exception.getMessage();
    } else if (exception instanceof BackendLimitExceededException) {
        LOGGER.warn("Backend throttled/refused the request: {}", exception.toString());
        errorCode = ErrorCode.TOO_MANY_REQUESTS;
        message = "Backend store refused to process the request: " + exception;
    } else if (exception instanceof AccessControlException) {
        errorCode = ErrorCode.FORBIDDEN;
        message = exception.getMessage();
    } else {
        LOGGER.warn("Unhandled exception returned as HTTP/500 to client", exception);
        errorCode = ErrorCode.UNKNOWN;
        message = Throwables.getCausalChain(exception).stream().map(Throwable::toString).collect(Collectors.joining(", caused by"));
    }
    return buildExceptionResponse(errorCode, message, exception);
}