4:18 p.m.
Chris Rankin created JBRULES-3651:
-------------------------------------
Summary: ClassPathResource.getLastModified() leaks a file descriptor
Key: JBRULES-3651
URL: https://issues.jboss.org/browse/JBRULES-3651
Project: Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: drools-core
Affects Versions: 5.5.0.Beta1, 5.4.0.Final
Environment: Fedora 17, JDK6
Reporter: Chris Rankin
Assignee: Mark Proctor
Calling {{getLastModified()}} on a {{ClassPathResource}} allocates a file descriptor and
doesn't release it until the {{ClassPathResource}} object is garbage-collected.
I believe that this is a bug in {{JarURLConnection}} in Sun's JDK6, as noticed by the
Freemarker project, who also created a
[fix|http://sourceforge.net/tracker/index.php?func=detail&aid=1824122&...].
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4:20 p.m.
[
https://issues.jboss.org/browse/JBRULES-3651?page=com.atlassian.jira.plug...
]
Chris Rankin updated JBRULES-3651:
----------------------------------
Steps to Reproduce:
{code}URL jarURL = new URL("jar:file:/path/to/myjar.jar!/foo.txt");
JarURLConnection connection = (JarURLConnection) jarURL.openConnection();
try {
long lastModified = connection.getLastModified();
} finally {
connection.getInputStream().close();
}
Thread.sleep(300000);{code}
Now check the file descriptors in {{/proc/<java PID>/fd}} (Linux) to see that there
is still one open for the JAR.
Not that {{ClassPathResource.getLastModified()}} makes any attempt to close this file
descriptor in the first place.
was:
{code}URL jarURL = new URL("jar:file:/path/to/myjar.jar!/foo.txt");
JarURLConnection connection = (JarURLConnection) jarURL.openConnection();
try {
long lastModified = connection.getLastModified();
} finally {
connection.getInputStream().close();
}
Thread.sleep(300000);{code}
Now check the file descriptors in /proc/<java PID>/fd to see that there is still one
open for the JAR.
Not that {{ClassPathResource.getLastModified()}} makes any attempt to close this file
descriptor in the first place.
ClassPathResource.getLastModified() leaks a file descriptor
-----------------------------------------------------------
Key: JBRULES-3651
URL: https://issues.jboss.org/browse/JBRULES-3651
Project: Drools
Issue Type: Bug
Security Level: Public(Everyone can see)
Components: drools-core
Affects Versions: 5.4.0.Final, 5.5.0.Beta1
Environment: Fedora 17, JDK6
Reporter: Chris Rankin
Assignee: Mark Proctor
Calling {{getLastModified()}} on a {{ClassPathResource}} allocates a file descriptor and
doesn't release it until the {{ClassPathResource}} object is garbage-collected.
I believe that this is a bug in {{JarURLConnection}} in Sun's JDK6, as noticed by the
Freemarker project, who also created a
[fix|http://sourceforge.net/tracker/index.php?func=detail&aid=1824122&...].
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4:20 p.m.
[
https://issues.jboss.org/browse/JBRULES-3651?page=com.atlassian.jira.plug...
]
Chris Rankin updated JBRULES-3651:
----------------------------------
Steps to Reproduce:
{code}URL jarURL = new URL("jar:file:/path/to/myjar.jar!/foo.txt");
JarURLConnection connection = (JarURLConnection) jarURL.openConnection();
try {
long lastModified = connection.getLastModified();
} finally {
connection.getInputStream().close();
}
Thread.sleep(300000);{code}
Now check the file descriptors in /proc/<java PID>/fd to see that there is still one
open for the JAR.
Not that {{ClassPathResource.getLastModified()}} makes any attempt to close this file
descriptor in the first place.
was:
URL jarURL = new URL("jar:file:/path/to/myjar.jar!/foo.txt");
JarURLConnection connection = (JarURLConnection) jarURL.openConnection();
try {
long lastModified = connection.getLastModified();
} finally {
connection.getInputStream().close();
}
Thread.sleep(300000);
Now check the file descriptors in /proc/<java PID>/fd to see that there is still one
open for the JAR.
Not that {{ClassPathResource.getLastModified()}} makes any attempt to close this file
descriptor in the first place.
ClassPathResource.getLastModified() leaks a file descriptor
-----------------------------------------------------------
Key: JBRULES-3651
URL: https://issues.jboss.org/browse/JBRULES-3651
Project: Drools
Issue Type: Bug
Security Level: Public(Everyone can see)
Components: drools-core
Affects Versions: 5.4.0.Final, 5.5.0.Beta1
Environment: Fedora 17, JDK6
Reporter: Chris Rankin
Assignee: Mark Proctor
Calling {{getLastModified()}} on a {{ClassPathResource}} allocates a file descriptor and
doesn't release it until the {{ClassPathResource}} object is garbage-collected.
I believe that this is a bug in {{JarURLConnection}} in Sun's JDK6, as noticed by the
Freemarker project, who also created a
[fix|http://sourceforge.net/tracker/index.php?func=detail&aid=1824122&...].
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4:35 a.m.
[
https://issues.jboss.org/browse/JBRULES-3651?page=com.atlassian.jira.plug...
]
Mario Fusco reassigned JBRULES-3651:
------------------------------------
Assignee: Mario Fusco (was: Mark Proctor)
ClassPathResource.getLastModified() leaks a file descriptor
-----------------------------------------------------------
Key: JBRULES-3651
URL: https://issues.jboss.org/browse/JBRULES-3651
Project: Drools
Issue Type: Bug
Security Level: Public(Everyone can see)
Components: drools-core
Affects Versions: 5.4.0.Final, 5.5.0.Beta1
Environment: Fedora 17, JDK6
Reporter: Chris Rankin
Assignee: Mario Fusco
Calling {{getLastModified()}} on a {{ClassPathResource}} allocates a file descriptor and
doesn't release it until the {{ClassPathResource}} object is garbage-collected.
I believe that this is a bug in {{JarURLConnection}} in Sun's JDK6, as noticed by the
Freemarker project, who also created a
[fix|http://sourceforge.net/tracker/index.php?func=detail&aid=1824122&...].
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4:37 a.m.
[
https://issues.jboss.org/browse/JBRULES-3651?page=com.atlassian.jira.plug...
]
Mario Fusco resolved JBRULES-3651.
----------------------------------
Fix Version/s: 5.5.0.CR1
Resolution: Done
ClassPathResource.getLastModified() leaks a file descriptor
-----------------------------------------------------------
Key: JBRULES-3651
URL: https://issues.jboss.org/browse/JBRULES-3651
Project: Drools
Issue Type: Bug
Security Level: Public(Everyone can see)
Components: drools-core
Affects Versions: 5.4.0.Final, 5.5.0.Beta1
Environment: Fedora 17, JDK6
Reporter: Chris Rankin
Assignee: Mario Fusco
Fix For: 5.5.0.CR1
Calling {{getLastModified()}} on a {{ClassPathResource}} allocates a file descriptor and
doesn't release it until the {{ClassPathResource}} object is garbage-collected.
I believe that this is a bug in {{JarURLConnection}} in Sun's JDK6, as noticed by the
Freemarker project, who also created a
[fix|http://sourceforge.net/tracker/index.php?func=detail&aid=1824122&...].
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4286
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4289
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4 comments
2 participants
participants (2)
-
Chris Rankin (JIRA) -
Mario Fusco (JIRA)