Checked into OJB_1_0_RELEASE only, as ConfigurtionAbstractImpl doesn't
exist in HEAD anymore. Should be in 1.0.2 in a couple days.
Thank You!
-Brian
On Mar 4, 2005, at 2:32 AM, Ilkka Priha wrote:
Hello,
Currently, OJB loads the OJB.properties file by getting an input
stream from the corresponding URL. However, if the properties file is
embedded in a jar archive, this method locks the corresponding jar and
prevents it from being removed during undeployment of a web
application (at least in Sun jdk under Windows). Some web containers
(e.g. Tomcat) have non-standard configuration options to handle jar
resources in a specific way to prevent locking, but a more general
solution is to disable caching in the URL connection before opening
the input stream. The corresponding patch is attached below.
Another solution would be to apply the
ClassLoader.getResourceAsStream() method instead of the
ClassLoader.getResource() method currently provided by ClassHelper.
This would allow the class loader to provide a non-locking stream.
LoggingConfiguration applies the latter by getting the class loader
from ClassHelper and calling directly its getResourceAsStream()
method.
-- Ilkka
RCS file:
/home/cvspublic/db-ojb/src/java/org/apache/ojb/broker/util/
configuration/impl/Attic/ConfigurationAbstractImpl.java,v
retrieving revision 1.15
diff -u -r1.15 ConfigurationAbstractImpl.java
--- ConfigurationAbstractImpl.java 16 Jun 2004 20:34:22 -0000 1.15
+++ ConfigurationAbstractImpl.java 4 Mar 2005 07:16:45 -0000
@@ -25,6 +25,7 @@
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.net.URL;
+import java.net.URLConnection;
import java.util.Properties;
import java.util.StringTokenizer;
@@ -426,7 +427,10 @@
logger.info("Loading OJB's properties from file " + url);
- InputStream strIn = url.openStream();
+ URLConnection conn = url.openConnection();
+ conn.setUseCaches(false);
+ conn.connect();
+ InputStream strIn = conn.getInputStream();
properties.load(strIn);
strIn.close();
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