Can't install OPENNLP Pipeline

[mc-lighthouse]

Describe the bug
When attempting to install the OPENNLP extension, a banner says "Error while installing extension.

Terminal prints the following:

2026-02-21 14:19:57,069 [Worker: RequestDispatcher: Thread-29] ERROR Fluent - Unable to PUT /api/extensions/install
2026-02-21 14:19:57,070 [Worker: RequestDispatcher: Thread-29] ERROR Fluent - Unexpected error:
java.lang.IllegalStateException: Unable to apply route
at net.codestory.http.routes.ReflectionRoute.lambda$body$0(ReflectionRoute.java:54)
at net.codestory.http.annotations.MethodAnnotations.apply(MethodAnnotations.java:48)
at net.codestory.http.routes.ReflectionRoute.body(ReflectionRoute.java:40)
at net.codestory.http.routes.RouteWithPattern.body(RouteWithPattern.java:56)
at net.codestory.http.routes.Route.apply(Route.java:25)
at net.codestory.http.routes.RouteCollection.lambda$createContextToPayload$98caf044$1(RouteCollection.java:577)
at net.codestory.http.routes.RouteCollection.lambda$createContextToPayload$b08145f1$1(RouteCollection.java:593)
at org.icij.datashare.session.LocalUserFilter.otherUri(LocalUserFilter.java:44)
at net.codestory.http.filters.auth.CookieAuthFilter.apply(CookieAuthFilter.java:78)
at net.codestory.http.routes.RouteCollection.lambda$createContextToPayload$51719a14$1(RouteCollection.java:593)
at net.codestory.http.routes.RouteCollection.lambda$createContextToPayload$b08145f1$1(RouteCollection.java:593)
at org.icij.datashare.web.IndexWaiterFilter.apply(IndexWaiterFilter.java:44)
at net.codestory.http.routes.RouteCollection.lambda$createContextToPayload$51719a14$1(RouteCollection.java:593)
at net.codestory.http.routes.RouteCollection.lambda$createContextToPayload$b08145f1$1(RouteCollection.java:593)
at org.icij.datashare.session.LocalUserFilter.otherUri(LocalUserFilter.java:44)
at net.codestory.http.filters.auth.CookieAuthFilter.apply(CookieAuthFilter.java:78)
at net.codestory.http.routes.RouteCollection.lambda$createContextToPayload$51719a14$1(RouteCollection.java:593)
at net.codestory.http.routes.RouteCollection.lambda$createContextToPayload$b08145f1$1(RouteCollection.java:593)
at org.icij.datashare.web.IndexWaiterFilter.apply(IndexWaiterFilter.java:44)
at net.codestory.http.routes.RouteCollection.lambda$createContextToPayload$51719a14$1(RouteCollection.java:593)
at net.codestory.http.routes.RouteCollection.apply(RouteCollection.java:567)
at net.codestory.http.AbstractWebServer.handleHttp(AbstractWebServer.java:152)
at net.codestory.http.internal.SimpleServerWrapper.handle(SimpleServerWrapper.java:71)
at org.simpleframework.http.socket.service.RouterContainer.handle(RouterContainer.java:106)
at org.simpleframework.http.core.RequestDispatcher.dispatch(RequestDispatcher.java:121)
at org.simpleframework.http.core.RequestDispatcher.run(RequestDispatcher.java:103)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.io.FileNotFoundException: https://github.com/ICIJ/datashare-extension-nlp-opennlp/releases/download/9.0.1/datashare-nlp-opennlp-9.0.1-jar-with-dependencies.jar
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:2034)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1627)
at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:224)
at java.base/java.net.URL.openStream(URL.java:1161)
at org.icij.datashare.Extension.download(Extension.java:93)
at org.icij.datashare.Extension.download(Extension.java:88)
at org.icij.datashare.DeliverableService.downloadAndInstall(DeliverableService.java:99)
at org.icij.datashare.DeliverableService.downloadAndInstall(DeliverableService.java:91)
at org.icij.datashare.web.ExtensionResource.installExtension(ExtensionResource.java:72)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at net.codestory.http.routes.ReflectionRoute.invoke(ReflectionRoute.java:83)
at net.codestory.http.routes.ReflectionRoute.lambda$body$0(ReflectionRoute.java:45)
... 28 common frames omitted

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Settings' then 'Extensions'
2. 3. Scroll down to 'OPENNLP Pipeline'
3. Click on 'Install 9.0.1'
4. See error: 'Error while installing the extension.'

Expected behavior
Installs OPENNLP extension, 'Install 9.01.' button changes to 'Uninstall.'

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: macOS
• Browser: Vivaldi
• Version: 20.5.2