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Spring Framework

How to fix “PSQLException: ERROR: operator does not exist: … = character varying” in Spring JDBC and Spring Data JDBC

The error org.postgresql.util.PSQLException: ERROR: operator does not exist: my_enum_type = character varying can be fixed by using implicit conversions in PostgreSQL or using explicit conversions by passing the java.sql.Types.OTHER to Spring JDBC. The exception you will receive When using Spring Read more…

By Schakko, 5 years5 years ago
WordPress

Automatische Anpassung der Mehrwertsteuer in WooCommerce zum 01.07.2020 und 31.12.2020

Zum 01.07.2020 und 31.12.2020 werden in Deutschland die Umsatzsteuersätze von 19% auf 16% bzw. dann wieder auf 19% geändert. Dies hat die deutsche Bundesregierung am 3. Juni 2020 verkündet und seit dem 12. Juni 2020 als Gesetzesentwurf vorliegt. Dies bedeutet Read more…

By Schakko, 5 years5 years ago
Spring Framework

Handling subdomains in multi-tenant applications with Spring Boot and Sprig Web MVC

For ninkik I wanted to provide a subdomain for each of our customers. In addition to that, I wanted to use some other subdomains for static and dynamic content. At that moment I did explicitly not wanted to deal with Read more…

By Schakko, 5 years5 years ago
CI/CD

How to use a private Maven repository in Artifactory with GitHub Actions

There are situations in which you want to use your own Artifactory server for resolving Maven dependencies. Maybe you have private artifacts or are not yet in the process of migrating from Artifactory to GitHub Packages. What is the goal Read more…

By Schakko, 5 years5 years ago
sophos-ap15
Networking

Sophos UTM and AP15: fixing “ll_read: dead socket: Resource temporarily unavailable”

Sophos’ access points are very sensitive with PoE enabled cable connections. If your access point gets disconnected, disable PoE for the given Ethernet port. As a long time reader of my blog, you might know that I am struggling a Read more…

By Schakko, 5 years5 years ago
WordPress installation screen
WordPress

How to fix WordPress showing the install screen after installation

When WordPress keeps showing the installation screen after having installed WordPress, you have to check if the database tables of your WordPress installation do exist and are accessible. if you are missing permissions for your database tables. if your database Read more…

By Schakko, 5 years5 years ago
Microsoft

How to fix slow opening Microsoft Word documents because of invalid network paths

Opening a Microsoft Word documents can be extremly slow if the document uses a template (.dotx) which is no longer available. A tool like Word Template Corrector can automatically fix the template location of one or multiple Word (.docx) files. Read more…

By Schakko, 5 years4 years ago
Security policy settings
Microsoft

“The user has not been granted the requested logon type at this computer.” when accessing Windows 10 network resources

A few years ago, I stumbled upon the same issue with Windows 7 and already blogged about it. But the error “The user has not been granted the requested logon type at this computer.” can still occur in Windows 10 Read more…

By Schakko, 5 years ago
wsl-automount
Linux

Fixing “UNPROTECTED KEY FILE” when using SSH or Ansible inside WSL

Inside a native Linux environment the error UNPROTECTED KEY FILE always means that the permissions of private key file are way too open. The error usually occurs if you are trying to connect with SSH and a private key to Read more…

By Schakko, 5 years5 years ago
vpn
Networking

Windows 10 LT2P/IPSec VPN connection fails silently

A few months ago I had a strange behaviour: Sometimes the L2TP/IPSec connection between my workstation at home and our company VPN silently failed. After clicking on the VPN connection icon in the tasktray it only showed Connecting to… and Read more…

By Schakko, 6 years5 years ago

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Practical stuff apart from my work in system design and software architecture.
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