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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/

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How to adjust an odd behaving Hessian to calculate standard errors with optim

I am using a Kalman filter to estimate various Dynamic and Arbitrage free Nelson-Siegel models for yield curves. I give some starting values to optim and the algorithm converges just fine. However, when I want to calculate standard errors using the…
J.P.1996
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Is there any HessianKit Sample project?

I found the hessian/hessiankit for iphone very interesting and i am thinking of using it for this new project im working on that's targeting ipad. i just couldnt find any sample complete project written in objective C that demonstrates the use of…
Neem
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RefreshScope is not refreshing HessianProxyFactoryBean

My configuration class where I initialize the hessian bean @RefreshScope @Configuration // @Component also not working public class HessianConfiguration { @Value("${sample.hessian.url}") private String sampleUrl; @Bean public…
Arun Xavier
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Automatic Differentiation in Julia: Hessian from ReverseDiffSparse

How can I evaluate the Hessian of a function in Julia using automatic differentiation (preferably using ReverseDiffSparse)? In the following example, I can compute and evaluate the gradient at a point values through JuMP: m = Model() @variable(m,…
jjjjjj
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Estimating mortality with acmeR package

There is a relatively new package that has come out called acmeR for producing estimates of mortality (for birds and bats), and it takes into consideration things like bleedthrough (was the carcass still there but undetected, and then found in a…
Kristina Wolf
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What are the options, settings and exceptions for HessianProxyFactory?

I can't find javadoc for Hessian lib. I want to know how to configure and full usage of Hessian client.
ii2
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numpy inverse matrix not working for full rank matrix - hessian in logistic regression using newtons-method

I am trying to compute the inverse of a full-rank matrix using numpy, but when I test the dot product, I find that it does not result in the identity matrix - which means it did not invert properly. My code: H = calculateLogisticHessian(theta, X)…
Daniel Fensterheim
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Gluon with Hessian is not working on iPhone

Hi i have a Gluon Application. It runs on Desktop and deploys (now) to my iPhone. I am now trying to use Hessian which works on Desktop too. But calling: HessianProxyFactory factory = new HessianProxyFactory(); fails on iPhone…
tonimaroni
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Hessian serialize causes high cpu usage

I found high CPU usage in online environment, which is almost 2000% and the system load is very high. The following is jstack output (only post one thread): "http-8090-125" daemon prio=10 tid=0x0000000013e42000 nid=0x273f runnable…
pfyuit
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spring-cloud-sleuth trace hessian client

I find restTemplateInterceptor and feignRequestInterceptor from spring-cloud-sleuth-core, but our project use hessian connect microservices, and I find that spring-cloud-sleuth can not inject to hessian client. Can anyone share the code how to use…
user2122553
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Apache Cayenne ROP: Is there a way to detect that my client connection has timed out?

I have a rich client application that uses the Apache Cayenne Remote Object Persistence framework to access and store data. Thus far I have been unable to find a graceful way of detecting and handling a connection timeout. A MissingSessionException…
bspkrs
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Hessian Spring configuration

This question may seem basic, but I've been struggling with it, I will really appreciate your help. How do I configure hessain to use DAO the serviceDao returns null. below is my snippet code. .......
mikeb
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How does serialization tool skip unknown fields during deserialization?

How does serialization tool(i.e. hessian) deserialize a class of different version with the same serialVersionUID? In most cases, it can skip those unknown(not found in class loader) fields and keep compatible. But last time, I tried appending a new…
Anderson
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Configuring hessian service in karaf with spring dm

With the environment: Karaf 3.0.1 Spring 3.2.4 Hessian 4.0.33 I have already exposed a service via CXF and now I'm trying to expose the same service as a Hessian Service. There is no war or web.xml, just plain beans + pax-http and I have tried…
Ivan Arrizabalaga
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Calling web-app methods using hessdroid = new AsyncTask for each method?

In my Android application I want to call some web-app methods. I use hessian for this (hessdroid library for Android). That's how it works: In my Android app I have interfaces for all of the the server methods e.g. getUserById(), getMessageById(),…
udenfox
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