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Questions tagged [dss]

Data Services Server

Data Services Server is one of the WSO2 product set.

In summary, it enables to publish different data from differents source through web-services just by configuration.

For more details see this page.

103 questions
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5 answers

Ada/C/++ distributed applications

I am trying to evaluate some technologies for implementing a communication process between some Ada modules with some C++/OpenGL modules. There is an (Windows XP) Ada application which communicates with a C++ application using COM, but I intend to…
Rego
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1 answer

PDFBox 2.0 create signature field and save incremental with already signed document

I have read here about how saveIncremental is working, and my final result needs to be something like here , in the way that I have managed to create visible signature with multiple visualization based on the signature field itself (not like in the…
Botea Florin
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2 answers

Force devtools::install_github to install only 32-bit versions of packages?

Goal: I want to install dssrip package for R 3.6.0 32-bit on Windows 10 Enterprise. I have both 32- and 64-bit versions of R 3.6.0 installed. In RStudio (1.2.1522), I set the default version to 32-bit then create new project with packrat enable. I…
Tung
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0 answers

ESB with DSS feature, how to use boxcarring?

I've installed the DSS 3.2.2 feature on ESB 4.8.1, and I can't use boxcarring, the session cookie cannot created after send begin_boxcar. I tried to change passthrough transport to nhttp, but no success. Is possible to use DSS feature with ESB…
Kleber Rocha
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3
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1 answer

How to extract http headers using a mediator

How do I extract http headers like Authorization: ​"admin 0PN5J17HBGZHT7JJ3X82" where admin is the username and 0PN5J17HBGZHT7JJ3X82 is the password and assign it to a property/variable which would be then passed to a dss service for user login…
Drew
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2
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1 answer

Sharing Registry Space across Multiple WSO2 DSS Instances

I deployed a Governance Registry, a master Data Services Server and a slave Data Services Server according this tutorial (Strategy B with…
metdos
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2
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1 answer

Digital Service Signature (DSS) error on compile project

Environment: openjdk version "1.8.0_322" OpenJDK Runtime Environment (Temurin)(build 1.8.0_322-b06) OpenJDK 64-Bit Server VM (Temurin)(build 25.322-b06, mixed mode) On Visual Studio Code (Versión: 1.68.1) - Docker Container (4.6.1) Mac OS 11.6 Big…
Bogdan Gaytan Martin
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2 answers

Read .dss database file in Python

I have a DSS database file and I want to extract the database schemas from the file using Python. I actually need to execute queries on this database but I couldn't find any good documentation to start with. So, I decided if I can extract the…
Wasi Ahmad
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1 answer

Getting Error " while building message, Unexpected close tag ; expected "in esb after building xml payload to pass in dss endpoint wso2

I am getting below error in esb after building xml payload to pass in dss endpoint wso2. ERROR {org.apache.synapse.mediators.base.SequenceMediator} - Error while building message…
Nita
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2
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1 answer

MS Robotics Studio: "contract is different from that of the namespace"

I'm trying to build a DSS service using MS Robotics Studio and VS 2008, but when I build, I get an error from dssproxy.exe saying: The class MyServiceName has a ContractAttribute but the contract is different from that of the namespace. and the…
AndrewCr
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2
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1 answer

Iterate over DSS(3.2.2) response in WSO2 ESB(4.8.1) not working as expected

I am doing iteration over the DSS response, But not working as expected Below is the payload and call for DSS: …
Siddu
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4 answers

DSS(Darwin Streaming Server) install failed on OS X10.10

I want to build a Darwin Streaming Server on my mac for iOS development test. But after taking the following steps which I searched from google, it fails all the time. Method 1: Download from http://dss.macosforge.org/ ->Mac OS X Install ->…
Calios
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1 answer

Worked Example of Digital Signature Algorithm

Does anybody have a DSA worked example with simple values on how to calculate r,s and verify v == r. As this standard has been around awhile and is implemented in librarys e.g. the Java Cryptography Extension I'm finding it very hard to find an…
Robben_Ford_Fan_boy
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2 answers

WSO2 DSS error: javax.xml.stream.XMLStreamException: Invalid Staring element

I'm new to WSO2 DSS and REST Architecture and I'm testing a service that was created with DSS with a data source of Microsoft SQL Server. I created a query below which will get employee information SELECT e.employee_id[Employee_Id], …
Drew
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2
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1 answer

curl errors: could not resolve host, java.lang.StringIndexOutOfBoundsException: String index out of range: -1

Sorry for posting this as this might be a simple problems to experts but to me as a beginner it is an important issue to resolve. I have created a WSO2 DSS service where it has a MYSQL table datasource named…
Drew
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