Examples with UnknownProtocolException org.apache.hadoop.hbase.exceptions.UnknownProtocolException used on opensource projects

Example 1 with UnknownProtocolException

use of org.apache.hadoop.hbase.exceptions.UnknownProtocolException in project hbase by apache.

the class MasterRpcServices method execMasterService.

@Override
public ClientProtos.CoprocessorServiceResponse execMasterService(final RpcController controller, final ClientProtos.CoprocessorServiceRequest request) throws ServiceException {
    try {
        master.checkInitialized();
        ServerRpcController execController = new ServerRpcController();
        ClientProtos.CoprocessorServiceCall call = request.getCall();
        String serviceName = call.getServiceName();
        String methodName = call.getMethodName();
        if (!master.coprocessorServiceHandlers.containsKey(serviceName)) {
            throw new UnknownProtocolException(null, "No registered Master Coprocessor Endpoint found for " + serviceName + ". Has it been enabled?");
        }
        com.google.protobuf.Service service = master.coprocessorServiceHandlers.get(serviceName);
        com.google.protobuf.Descriptors.ServiceDescriptor serviceDesc = service.getDescriptorForType();
        com.google.protobuf.Descriptors.MethodDescriptor methodDesc = CoprocessorRpcUtils.getMethodDescriptor(methodName, serviceDesc);
        com.google.protobuf.Message execRequest = CoprocessorRpcUtils.getRequest(service, methodDesc, call.getRequest());
        final com.google.protobuf.Message.Builder responseBuilder = service.getResponsePrototype(methodDesc).newBuilderForType();
        service.callMethod(methodDesc, execController, execRequest, new com.google.protobuf.RpcCallback<com.google.protobuf.Message>() {

            @Override
            public void run(com.google.protobuf.Message message) {
                if (message != null) {
                    responseBuilder.mergeFrom(message);
                }
            }
        });
        com.google.protobuf.Message execResult = responseBuilder.build();
        if (execController.getFailedOn() != null) {
            throw execController.getFailedOn();
        }
        return CoprocessorRpcUtils.getResponse(execResult, HConstants.EMPTY_BYTE_ARRAY);
    } catch (IOException ie) {
        throw new ServiceException(ie);
    }
}

Example 2 with UnknownProtocolException

use of org.apache.hadoop.hbase.exceptions.UnknownProtocolException in project hbase by apache.

the class HRegion method execService.

@Override
public com.google.protobuf.Message execService(com.google.protobuf.RpcController controller, CoprocessorServiceCall call) throws IOException {
    String serviceName = call.getServiceName();
    com.google.protobuf.Service service = coprocessorServiceHandlers.get(serviceName);
    if (service == null) {
        throw new UnknownProtocolException(null, "No registered coprocessor service found for " + serviceName + " in region " + Bytes.toStringBinary(getRegionInfo().getRegionName()));
    }
    com.google.protobuf.Descriptors.ServiceDescriptor serviceDesc = service.getDescriptorForType();
    String methodName = call.getMethodName();
    com.google.protobuf.Descriptors.MethodDescriptor methodDesc = CoprocessorRpcUtils.getMethodDescriptor(methodName, serviceDesc);
    com.google.protobuf.Message.Builder builder = service.getRequestPrototype(methodDesc).newBuilderForType();
    org.apache.hadoop.hbase.protobuf.ProtobufUtil.mergeFrom(builder, call.getRequest().toByteArray());
    com.google.protobuf.Message request = CoprocessorRpcUtils.getRequest(service, methodDesc, call.getRequest());
    if (coprocessorHost != null) {
        request = coprocessorHost.preEndpointInvocation(service, methodName, request);
    }
    final com.google.protobuf.Message.Builder responseBuilder = service.getResponsePrototype(methodDesc).newBuilderForType();
    service.callMethod(methodDesc, controller, request, new com.google.protobuf.RpcCallback<com.google.protobuf.Message>() {

        @Override
        public void run(com.google.protobuf.Message message) {
            if (message != null) {
                responseBuilder.mergeFrom(message);
            }
        }
    });
    if (coprocessorHost != null) {
        coprocessorHost.postEndpointInvocation(service, methodName, request, responseBuilder);
    }
    IOException exception = org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils.getControllerException(controller);
    if (exception != null) {
        throw exception;
    }
    return responseBuilder.build();
}

Example 3 with UnknownProtocolException

use of org.apache.hadoop.hbase.exceptions.UnknownProtocolException in project hbase by apache.

the class HRegionServer method execRegionServerService.

public CoprocessorServiceResponse execRegionServerService(@SuppressWarnings("UnusedParameters") final RpcController controller, final CoprocessorServiceRequest serviceRequest) throws ServiceException {
    try {
        ServerRpcController serviceController = new ServerRpcController();
        CoprocessorServiceCall call = serviceRequest.getCall();
        String serviceName = call.getServiceName();
        com.google.protobuf.Service service = coprocessorServiceHandlers.get(serviceName);
        if (service == null) {
            throw new UnknownProtocolException(null, "No registered coprocessor service found for " + serviceName);
        }
        com.google.protobuf.Descriptors.ServiceDescriptor serviceDesc = service.getDescriptorForType();
        String methodName = call.getMethodName();
        com.google.protobuf.Descriptors.MethodDescriptor methodDesc = serviceDesc.findMethodByName(methodName);
        if (methodDesc == null) {
            throw new UnknownProtocolException(service.getClass(), "Unknown method " + methodName + " called on service " + serviceName);
        }
        com.google.protobuf.Message request = CoprocessorRpcUtils.getRequest(service, methodDesc, call.getRequest());
        final com.google.protobuf.Message.Builder responseBuilder = service.getResponsePrototype(methodDesc).newBuilderForType();
        service.callMethod(methodDesc, serviceController, request, new com.google.protobuf.RpcCallback<com.google.protobuf.Message>() {

            @Override
            public void run(com.google.protobuf.Message message) {
                if (message != null) {
                    responseBuilder.mergeFrom(message);
                }
            }
        });
        IOException exception = CoprocessorRpcUtils.getControllerException(serviceController);
        if (exception != null) {
            throw exception;
        }
        return CoprocessorRpcUtils.getResponse(responseBuilder.build(), HConstants.EMPTY_BYTE_ARRAY);
    } catch (IOException ie) {
        throw new ServiceException(ie);
    }
}