https://issues.apache.org/bugzilla/show_bug.cgi?id=56390
Bug ID: 56390
Summary: Tomcat keeps jar files in <app>/WEB-INF/lib opened and
app cannot be fully undeployed
Product: Tomcat 8
Version: trunk
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: violet...@apache.org
Created attachment 31513
--> https://issues.apache.org/bugzilla/attachment.cgi?id=31513&action=edit
Profiling analyses
Hi,
If there are jar files in <app>/WEB-INF/lib, Tomcat keeps them opened and
during undeploy they cannot be cleared. The following error appears:
"SEVERE [ContainerBackgroundProcessor[StandardEngine[Catalina]]]
org.apache.catalina.startup.ExpandWar.delete [...] could not be completely
deleted. The presence of the remaining files may cause problems"
The problem is because during startup of the application, a call to
o.a.catalina.loader.WebappClassLoader.findResource is made, which opens the
files. See the profiling analyses that are attached. (openedfiles.jpg)
A possible solution would be to invoke java.net.URLClassLoader.close() in
org.apache.catalina.loader.WebappClassLoader.stop method:
Index: C:/tc8.0.x/java/org/apache/catalina/loader/WebappClassLoader.java
===================================================================
--- C:/tc8.0.x/java/org/apache/catalina/loader/WebappClassLoader.java
(revision 1585681)
+++ C:/tc8.0.x/java/org/apache/catalina/loader/WebappClassLoader.java
(working copy)
@@ -1497,6 +1497,12 @@
permissionList.clear();
loaderPC.clear();
+
+ try {
+ super.close();
+ } catch (IOException e) {
+ throw new LifecycleException(e);
+ }
}
What do you think?
Regards
Violeta
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