Questions tagged [hessian]

Hessian is a simple binary protocol for connecting web services.

Hessian is a simple binary protocol for connecting web services. More info at http://hessian.caucho.com/

158 questions
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Autowiring fails: Not an managed Type

I have a big problem in my diploma project and would be very glad if you guys could help me! I made a Maven Multi Module Project and have 3 "Core-projects" NaviClean: (Parent) NaviCleanDomain: contains the domain model with all my entities and an…
alfred_m
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How to compute Hessian of the loss w.r.t. the parameters in PyTorch using autograd.grad

I know there is quite a bit of content out there about "computing the Hessian" in pytorch, but as far as I've seen I haven't found anything working for me. So to try to be most precise, the Hessian that I want is the Jacobian of the gradient of the…
jeffery_the_wind
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Would you recommend Google Protocol Buffers or Caucho Hessian for a cross-language over-the-wire binary format?

Would you recommend Google Protocol Buffers or Caucho Hessian for a cross-language over-the-wire binary format? Or anything else, for that matter - Facebook Thrift for example?
Vihung
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Getting started with Hessian

I have a new project that needs a good binary protocol. I was thinking of using Hessian, unless anyone has any better ideas. I was reading through some of their documentation and it's not as straightforward as I thought, so I have a couple of quick…
Hortitude
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How to compute hessian matrix for all parameters in a network in pytorch?

Suppose vector \theta is all the parameters in a neural network, I wonder how to compute hessian matrix for \theta in pytorch. Suppose the network is as follows: class Net(Module): def __init__(self, h, w): super(Net, self).__init__() …
david
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optimum hessian threshold for SURF feature extraction in opencv + Minimum descriptors matching

Currently I am working on face recognition project where I am using Fisherfaces/LDA to filter out the images on a broader level and then using SURF to verify the output from LDA. What would be a good Hessian threshold which should be passed to…
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2 answers

Maven not able to download dependency

I have started working on a new project using Maven, and I'm unable to have it work properly on eclipse. I have multiples of this error : ArtifactTransferException: Failure to transfer com.caucho:hessian:jar:3.1.5 from was cached in the…
aPythonJourney
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BigDecimal value is always zero when transfered with Spring remoting via Hessian

When I call a remote method that returns a BigDecimal value via Spring's Hessian functionality, it always returns zero. Calling the method directly or using the plain Hessian servlet (non Spring) works normally. What can be done to fix this? Server…
Vedran
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Injecting many decorated instances with Guice -- on mixing HessianServlet with Guice

Given the following code in a Guice servlet module configureServlets(): serve("/a").with(new Decorator(new A())); serve("/b").with(new Decorator(new B())); ... serve("/z").with(new Decorator(new Z())); ... What would be the best / easiest solution…
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Hessians for Spearman Rank Correlation

I tried to implement the Spearman's rank correlation coefficient (wiki) as a custom objective function for xgboost. I'm using the fast-soft-sort (github) package from google for the differentiable ranking and tensorflow to automatically calculate…
GaugeSym
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Testing Hessian remoting-servlet.xml

We are using Hessian for communication between a rich client and a server. Due to moving and renaming it happens from time to time that the entries in the remoting-servlet.xml don't match the actual class names. Therefor I'm looking for an easy way…
Jens Schauder
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writing hessian service

I am new to Spring and Hessian and never used them before. I want to write a small Hello World Program which clearly shows how this service works. I am using Maven for list project details and dependencies. The resources for hessian available…
daydreamer
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HessianFieldException Error

I am using Hessian in my project through remote and client application.I am facing some problem in desalinization. My hessian application return Object which contain Set Of other object but at client side I am getting exception. nested exception is…
user3331198
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com.caucho.hessian.client.HessianRuntimeException: com.caucho.hessian.io.HessianProtocolException: '<' is an unknown code

I'm trying to establish basic hessian communication between two android devices. Client AsyncTask that sends the message public class AsyncHessian extends AsyncTask { @Override protected String doInBackground(String... params)…
Dino Velić
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Avoid Hessian to log into catalina.out

i have a problem using Caucho Hessian. I get a lot of messages into catalina.out (tomcat) like this: 'Dec 20, 2012 8:33:08 PM com.caucho.hessian.io.SerializerFactory getDeserializer WARNING: Hessian/Burlap: '...blehClass' is an unknown class in…
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