Sure. Please open a JIRA issue and provide a patch. You can
just paste your message into the issue.
--Thilo
On 3/10/2010 17:35, Baptiste Gaillard wrote:
>
> Hi,
>
> I've read multiple messages about UIMA and OSGI on this forum.
>
> On our project we have successfully integrated UIMA components inside OSGI
> Bundle (our solution provides an automatic OSGI Bundle genration system which
> take PEAR files so developpers do not have to worry about OSGI).
>
> We have encountered a JAR locking problem inside the XmlInputSource class,
> the problem comes from this instruction (WmlInputSource line 90) :
>
> mInputStream = mURL.openStream()
>
> When we do that with a URL which refers to a file inside a JAR file a
> JarURLConnection is used.
>
> JarURLConnection seems to have a bug because in the destroy method of
> XmlInputSource those instruction do not close the ZipFile associated to the
> JARUrlConnection.
>
> if (mInputStream != null)
> {
> mInputStream.close(); // DO NOT CLOSE THE ASSOCIATED ZipFile !!!
> }
>
>
> The bug has been reported in the SUN Bug Database: // see
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4386865
>
> This is problematic with OSGI because we can unload our Bundles (UIMA
> components in our case ;-) ) but never delete theme from the file system
> after...
>
> The solution to close the ZipFiles in XmlInputSource is to add the following
> instructions in the constructor and destroy method:
>
> private URLConnection urlConnection;
>
> public XMLInputSource(String aUrlOrFileName) throws IOException {
> //try as URL first, then as file name
> try {
> mURL = new URL(aUrlOrFileName);
> }
> catch (MalformedURLException e) {
> mURL = new File(aUrlOrFileName).toURL();
> }
>
> this.urlConnection = mURL.openConnection();
>
> mInputStream = mURL.openStream();
> }
>
>
> public void close()
> throws IOException
> {
> if (mInputStream != null)
> {
> mInputStream.close();
> }
>
> if((this.urlConnection != null) && (this.urlConnection instanceof
> JarURLConnection))
> {
> ((JarURLConnection)urlConnection).getJarFile().close();
> }
>
> mURL = null;
> }
>
> Is it possible to include those modifications in the next UIMA release ?
>
> Thanks,
>
> Baptiste Gaillard
>
>
>
>
>
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