XPages, Java code and “loading constraint violation” errors

I recently had a requirement to update an existing XPages-based application that uses Apache POI (the Java API for Microsoft Documents) to generate spreadsheet files. Now this post is not specifically about Apache POI, or how to use it with Domino and XPages, but more about an issue that I hit whilst updating the application. …

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OSGi, Maven and Building Domino p2 Update Sites

**SHAMELESS PLUG:** With me moving to HCL next month, it’s always important to ensure there is sufficient resiliency in the development teams of open source projects. There are always areas where OpenNTF Domino API may be of benefit, but there will be projects I’m involved in where it won’t. There will also be a big …

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Plugins Not Picked Up From Update Site

Recently I’ve been working on an extensive OSGi REST service plugin, based on ODA Starter Servlet. Local development is using a pde launch configuration to load my plugins directly from Eclipse. Even with ODA Starter Servlet being maven-enabled, which means building the update site takes moments, running directly from Eclipse is much more preferable. The …

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Scheduling XPages Code – Video and Addendum

Following the blog posts and the demo, which took some time, I’ve finally created a video on my YouTube channel, which you can also access below. It’s quite a long video but that’s because I go through all that I’ve gone through in the blog posts and more. And if it’s not included elsewhere – …

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Scheduling XPages Code – Part Six

So far we’ve covered using Node-RED triggering REST services which could be SmartNSF routes, XAgents or custom Java REST services in OSGi plugins – and indeed any REST endpoints, on Domino or beyond. Apart from re-using XPages code, there’s no real advantage so far over LotusScript or Java agents. But if agents are dependent upon …

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Domino REST Service Plugins and Pre-Loading Caches

Last week I had an email from Mat Newman passing on a query for a REST servlet plugin. The person was noting that when sending a tell http osgi ss command to the server, the plugin was showing as “<<LAZY>>” and only changed to “<<ACTIVE>>” after the first call, when the code in the Activator …

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Development Server Installation Gotchas

Following on from my last blog post, when I came to installing Domino I encountered two issues, both of which I’ve encountered before and both I’d forgotten the resolution and struggled to find it. Making mistakes is unavoidable. Making the same mistake twice, however, is. So I’m resorting to my standard resolution: blog about it. …

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New ODA Release and Design API Updated

This week two new releases of ODA came out on OpenNTF and also published to OpenNTF’s artifactory repository, for those wanting to use ODA via Maven. They covered a host of new developments and some minor fixes from over the last few months since Domino FP8 was released. On ODA, it’s worth pointing out there …

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