[jira] Resolved: (FELIX-1580) Regression with native library handling

["Richard S. Hall (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FELIX-1580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard S. Hall resolved FELIX-1580.
------------------------------------

       Resolution: Fixed
    Fix Version/s: felix-2.2.0
         Assignee: Richard S. Hall

Ok, I committed a fix to framework. We were not correctly checking if additional native library extensions were specified, now we do. Build framework, then main and test this resulting felix.jar file. If it works, please close this issue. If not, please reopen it and I will take another look. Thanks.

> Regression with native library handling
> ---------------------------------------
>
>                 Key: FELIX-1580
>                 URL: https://issues.apache.org/jira/browse/FELIX-1580
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-2.0.0
>         Environment: generic, JDK6, tested on Windows & Linux
>            Reporter: Holger Hoffstätte
>            Assignee: Richard S. Hall
>            Priority: Critical
>             Fix For: felix-2.2.0
>
>         Attachments: org.example.pkg.zip
>
>
> I tried to update to felix-2.0.0 but my bundles with native code would not install anymore, even though they work fine under felix-1.8.1 and equinox. The following error showed up for no good reason:
> org.osgi.framework.BundleException: Activator start error in bundle org.example.pkg [23].
>         at org.apache.felix.framework.Felix.activateBundle(Felix.java:1750)
>         at org.apache.felix.framework.Felix.startBundle(Felix.java:1621)
>         at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:890)
>         at org.apache.felix.shell.impl.StartCommandImpl.execute(StartCommandImpl.java:114)
>         at org.apache.felix.shell.impl.Activator$ShellServiceImpl.executeCommand(Activator.java:281)
>         at org.apache.felix.shell.tui.Activator$ShellTuiRunnable.run(Activator.java:184)
>         at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
>         at org.apache.felix.framework.util.manifestparser.R4Library.match(R4Library.java:113)
>         at org.apache.felix.framework.ModuleImpl$ModuleClassLoader.findLibrary(ModuleImpl.java:1929)
>         at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1680)
>         at java.lang.Runtime.loadLibrary0(Runtime.java:823)
>         at java.lang.System.loadLibrary(System.java:1028)
>         at org.example.pkg.internal.ExampleActivator.start(ExampleActivator.java:12)
>         at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:667)
>         at org.apache.felix.framework.Felix.activateBundle(Felix.java:1699)
>         ... 6 more
> java.lang.ArrayIndexOutOfBoundsException: 0
> Through trial-and-error I have found the rather confusing conditions under which this error shows up:
> - a library is not found in the bundle (code passes a nonexisting name to System.loadLibrary())
> - multiple libraries are _correctly_ specified in the Bundle-NativeCode header!
> There might be other confusing combinations. ;)
> I traced this back to the changes to R4Library in r790963 (Add support for configurable native library extensions. (FELIX-1298)) where the match() method was modified. It seems that the "exts" array is empty and therefore leads to the AIOOB later.

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