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Posted to commits@netbeans.apache.org by "Svatopluk Dedic (Jira)" <ji...@apache.org> on 2021/04/20 06:51:00 UTC
[jira] [Resolved] (NETBEANS-5499) Platform apps cannot connect
using HTTP protocol on JDK16
[ https://issues.apache.org/jira/browse/NETBEANS-5499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Svatopluk Dedic resolved NETBEANS-5499.
---------------------------------------
Resolution: Fixed
> Platform apps cannot connect using HTTP protocol on JDK16
> ---------------------------------------------------------
>
> Key: NETBEANS-5499
> URL: https://issues.apache.org/jira/browse/NETBEANS-5499
> Project: NetBeans
> Issue Type: Bug
> Components: core
> Affects Versions: 12.3
> Reporter: Svatopluk Dedic
> Assignee: Svatopluk Dedic
> Priority: Major
> Labels: pull-request-available
> Fix For: 12.4
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> I've found out that my platfom application does not work at all with HTTP protocol when run on JDK 16. The error thrown is:
> {code:java}
> INFO [org.netbeans.modules.autoupdate.updateproviders.AutoupdateCatalogFactory]: Unknown protocol: http
> java.lang.IllegalStateException: Unknown protocol: http
> at org.apache.felix.framework.URLHandlersStreamHandlerProxy.parseURL(URLHandlersStreamHandlerProxy.java:373)
> at java.base/java.net.URL.<init>(URL.java:701)
> Caused: java.net.MalformedURLException: Unknown protocol: http
> at java.base/java.net.URL.<init>(URL.java:706)
> at java.base/java.net.URL.<init>(URL.java:568)
> at java.base/java.net.URL.<init>(URL.java:515)
> [catch] at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogFactory.createUpdateProvider(AutoupdateCatalogFactory.java:98)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
> at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:567)
> at org.netbeans.core.startup.layers.BinaryFS$AttrImpl$MethodAndParams.invoke(BinaryFS.java:730)
> at org.netbeans.core.startup.layers.BinaryFS$AttrImpl.getValue(BinaryFS.java:660)
> at org.netbeans.core.startup.layers.BinaryFS$BFSBase.getAttribute(BinaryFS.java:506)
> {code}
> No URL with http(s): protocol can be even *parsed*.
> I managed to isolate the issue - it is caused by *Apache Felix* library included in NB platform that provides {{org.osgi.framework.launch.FrameworkFactory}} token.
> The bug *does not occur* in NetBeans IDE, which has a direct dependency (Needs: declaration) on *org.netbeans.netbinox* module from its *ide.kit* module. In NetBeans, Netbinox loads and installs its URLStreamHandlerFactory ({{org.eclipse.osgi.framework.internal.protocol.StreamHandlerFactory}})
> In a platform app that does not load (need) Netbinox, the Felix library installs its own URLStreamHandleFactory ( {{org.apache.felix.framework.URLHandlers}}), that creates *proxies*. So USHF for http *is* actually created, but it afterwards throws {{MalformedURLException}} on any http: url spec.
> The bug does not occur on earlier JDKs.
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