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https://issues.apache.org/jira/browse/AXIS2-4094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14115096#comment-14115096
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Thorsten Schöning commented on AXIS2-4094:
------------------------------------------
I have the same issue with current Tomcat 7 and Axis2 1.6.2: Even if I stop the
Axis2 service the jars in the lib dirs of the distinct services stay locked and
can't be replaced. Things like telling Tomcat not to lock jars didn't work for
me, so I guess it's really Axis2 locking things and Tomcat simply doesn't know
about it.
https://confluence.sakaiproject.org/display/BOOT/Avoiding+JAR+and+file+locking+under+Windows
http://tomcat.apache.org/tomcat-7.0-doc/config/context.html#Standard%20Implementation
As a workaround one can use the "Find leaks" button in the bottom of the Tomcat
manager app, which triggers a full garbage collection. After hitting that
button Axis2 seems to get completely unloaded from memory and all locked files
are unlocked. Sometimes Tomcat notes that Axis2 leaked memory even if it has
been stopped, sometimes not... Luckily this functionality is available for ANT
as well, if you need to automatically deploy some Axis2 services, like I do:
http://tomcat.apache.org/tomcat-7.0-doc/api/org/apache/catalina/ant/FindLeaksTask.html
<taskdef name="findLeaks"
classname="org.apache.catalina.ant.FindLeaksTask"
uri="catalina-ant"
/>
<taskdef name="start"
classname="org.apache.catalina.ant.StartTask"
uri="catalina-ant"
/>
<taskdef name="stop"
classname="org.apache.catalina.ant.StopTask"
uri="catalina-ant"
/>
<condition property="isTomcatRunning">
<and>
<http url="${tomcat-url}" />
</and>
</condition>
<target name="startAxis2Svc"
if="isTomcatRunning">
<catalina-ant:start xmlns:catalina-ant="catalina-ant"
url="${tomcat-manager-url}"
username="${tomcat-manager-username}"
password="${tomcat-manager-password}"
path="/${axis2SvcName}"
/>
</target>
<target name="stopAxis2Svc"
if="isTomcatRunning">
<catalina-ant:stop xmlns:catalina-ant="catalina-ant"
url="${tomcat-manager-url}"
username="${tomcat-manager-username}"
password="${tomcat-manager-password}"
path="/${axis2SvcName}"
/>
<catalina-ant:findLeaks xmlns:catalina-ant="catalina-ant"
url="${tomcat-manager-url}"
username="${tomcat-manager-username}"
password="${tomcat-manager-password}"
/>
</target>
> Jars are locked in the file system even after undeployment of the axis2 webapp
> ------------------------------------------------------------------------------
>
> Key: AXIS2-4094
> URL: https://issues.apache.org/jira/browse/AXIS2-4094
> Project: Axis2
> Issue Type: Bug
> Components: deployment
> Affects Versions: 1.4, 1.4.1
> Environment: WinXP, Tomcat 4.1, Tomcat 5.5, Tomcat 6, WebSphere 6.0 &
> 6.1, Glassfish 2,
> Reporter: Michael Heemskerk
> Assignee: Deepal Jayasinghe
>
> Webapp containing axis2 servlet cannot be succesfuly undeployed because jar
> files in WEB-INF/lib are locked and cannot be deleted until the servlet
> container is stopped.
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