[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-4078) Jar locking during of component initialization on Windows
Jar locking during of component initialization on Windows
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Key: JBSEAM-4078
URL: https://jira.jboss.org/jira/browse/JBSEAM-4078
Project: Seam
Issue Type: Bug
Components: Core
Affects Versions: 2.1.1.GA
Environment: Windows 2000, Java(TM) SE Runtime Environment (build 1.6.0_13-b03),
GlassFish v3 Prelude (build b28c)
Reporter: Andrey Lomakin
JARs that contain components.xml are locked till server shutdown and can not be removed
after application undeploy on Windows.
As I understend following snippet of code in method
org.jboss.seam.init.Initialization#initComponentsFromXmlDocuments:
InputStream stream = url.openStream();
log.debug("reading " + url);
try {
installComponentsFromXmlElements(XML.getRootElement(stream),
replacements);
} finally {
Resources.closeStream(stream);
}
should be replaced by
URLConnection connection = url.openConnection();
connection.setUseCaches(false);
InputStream stream = url.openStream();
// and so on...
If cashes will not be switched of file will be opened but never closed.
Returned instance of InputStream interface is
sun.net.www.protocol.jar.JarURLConnection,JarURLInputStream that closes opened jar file
only if cashes are not used.
class JarURLInputStream extends java.io.FilterInputStream {
103 JarURLInputStream (InputStream src) {
104 super (src);
105 }
106 public void close () throws IOException {
107 try {
108 super.close();
109 } finally {
110 if (!getUseCaches()) {
111 jarFile.close();
112 }
113 }
114 }
115 }
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