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Cloud Java OData SAP Technology

Fish with OData

Rui Nogueira published a while back a blog series on SCN on how to implement an IoT scenario using a Raspberry Pi and HCP. I think the example shows very well how what the main use case of IoT is. When the blog was published, there was no SAP HCP Read more…

By Tobias Hofmann, 7 yearsApril 18, 2016 ago
Java OData Technology

Olingo – Requested entity could not be found

Lately I was playing around with HCP and Olingo and wanted to expose a JPA model as OData. I created some data using EJB and then tried to read this data via OData. Accessing the collection gave me a list of created entities: To access one entity, it is just Read more…

By Tobias Hofmann, 7 yearsJanuary 14, 2016 ago
Java Mobile SAP SMP

Enable TLS in SMP3

SSL is out, TLS is the new kid in town (although already pretty old) and to keep security high on your SMP3 server, a question remains: how to enable TLS on SMP3? Easy: it is already configured! By default, SMP3 comes with TLS enabled. The trick is to configure it Read more…

By Tobias Hofmann, 8 yearsSeptember 21, 2015 ago
Basis Java Mobile SAP

SMP 3 – Configuring Strong Encryption for JVM Security

SMP 3 is a Java application running inside Virgo. To not have to worry about Java versions and installation, the installer even installs SAP JVM together with the server. So you have a SMP 3 installation and a Java installation at hand. This means that you get automatically Java security Read more…

By Tobias Hofmann, 8 yearsAugust 5, 2015 ago
Cloud Java Mobile Technology

Subsonic on Raspberry Pi

About Subsonic “Subsonic is an open source, web-based media server. It is written in Java, so it can run on any operating system with Java support. Subsonic supports streaming to multiple clients simultaneously, and supports any streamable media.” (Source: Wikipedia) My first contact with Subsonic was several years ago. If Read more…

By Tobias Hofmann, 8 yearsMay 18, 2015 ago
Java Portal SAP

NWDS update site setup

NWDS 7.3/7.4 uses the update site concept of Eclipse. This makes it easier to update NWDS as an updated component only needs to be updated at the central update site. No need to distribute a whole NWDS installation package to the developers. The NWDS update site even includes a zip Read more…

By Tobias Hofmann, 8 yearsApril 3, 2015 ago
Basis Java Portal SAP

SAP WebDispatcher and Logstash – installation and configuration

This document explains how to install and configure an environment for analyzing SAP Web Dispatcher (WD) logs with logstash, elasticsearch and Kibana under Linux. Kibana 3 needs a running web server. The example shown here is using nginx, but won’t detail how to set up nginx. Components referred to in Read more…

By Tobias Hofmann, 8 yearsMarch 10, 2015 ago
Java Mobile SMP

Test if certificate is correctly installed in keystore

SMP 3 connects to a authentication provider using SSL. For SMP 3 to be able to connect successfully to the SSL enabled backend service, the server certificate of that backend must be installed in SMP 3. This means to install the certificate into the keystore used by SMP 3. The Read more…

By Tobias Hofmann, 8 yearsMarch 3, 2015 ago
Java SAP

Loading data into Sonar

The following blog was meant to be part of my Sonar with SAP Java series originally published at SCN, but somehow it was never published. So, here we go, some more information on Sonar and SAP Java, including findbug for code quality checks. Sonar needs to be fed with data. Read more…

By Tobias Hofmann, 11 yearsJuly 23, 2012 ago
Java OData REST SAP

Expose a BAPI using JSON and REST

Note: 1st published on SCN at 22.5.2012   REST. JSON. These are the technologies you need when writing modern web applications. And that is what makes it so hard to use SAP together with modern web applications: Currently you only get REST from SAP with Gateway, but not JSON. OData comes Read more…

By Tobias Hofmann, 11 yearsMay 22, 2012 ago

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