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From "Alessandro Canevese (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CXF-6298) Memory leak in tomcat webapp
Date Fri, 13 Mar 2015 08:52:38 GMT

     [ https://issues.apache.org/jira/browse/CXF-6298?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alessandro Canevese updated CXF-6298:
-------------------------------------
    Description: 
I'm developing a J2EE webapp with Spring 4.1, Struts2, etc.. I'm not able to redeploy my app
under development more than a couple of times before a permgen / out of memory error is fired.
To see if it's my Spring configuration fault, I've got rid of the jaxws bean and I've put
the following code directly in a method:
...
JaxWsDynamicClientFactory dcf = JaxWsDynamicClientFactory.newInstance();
Client client = dcf.createClient(serviceUrl + "?wsdl");
Object result = null;
try
{ Object[] callResult = client.invoke(methodName, parameter); result = callResult[0]; }
catch (Exception ex)
{ log.error(ex); }
...use of result (without storing it anywhere)...
<end of method>


Nothing has changed. Sooner or later, when I undeploy the webapp I get a couple of the following:

mar 12, 2015 5:46:05 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
Grave: The web application [/soci-operativi] created a ThreadLocal with key of type [com.sun.xml.bind.v2.ClassFactory$1]
(value [com.sun.xml.bind.v2.ClassFactory$1@2379cbe3]) and a value of type [java.util.WeakHashMap]
(value [
{class it.cai.auth.ws.core.service.UserGroup=java.lang.ref.WeakReference@1138b647, class it.cai.auth.ws.core.service.GetUserDataResponse=java.lang.ref.WeakReference@2246f826,
class java.util.ArrayList=java.lang.ref.WeakReference@614d985e, class it.cai.auth.ws.core.service.User=java.lang.ref.WeakReference@2d4e753a,
class it.cai.auth.ws.core.service.Authority=java.lang.ref.WeakReference@79f24a12}
]) but failed to remove it when the web application was stopped. Threads are going to be renewed
over time to try and avoid a probable memory leak.

mar 12, 2015 5:46:05 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
Grave: The web application [/soci-operativi] created a ThreadLocal with key of type [java.lang.ThreadLocal]
(value [java.lang.ThreadLocal@11dd224a]) and a value of type [org.apache.cxf.BusFactory.BusHolder]
(value [org.apache.cxf.BusFactory$BusHolder@4cf6316f]) but failed to remove it when the web
application was stopped. Threads are going to be renewed over time to try and avoid a probable
memory leak.

Just to be clear, classes it.cai.auth.ws.core.service.* are those dynamically created by CXF
accessing the ws pointed by the serviceUrl above.

  was:
I'm developing a J2EE webapp with Spring 4.1, Struts2, etc.. I'm not able to redeploy my app
under development more than a couple of times before a permgen / out of memory error is fired.
To see if it's my Spring configuration fault, I've got rid of the jaxws bean and I've put
the following code directly in a method:
...
JaxWsDynamicClientFactory dcf = JaxWsDynamicClientFactory.newInstance();
Client client = dcf.createClient(serviceUrl + "?wsdl");
Object result = null;
try
{ Object[] callResult = client.invoke(methodName, parameter); result = callResult[0]; }
catch (Exception ex)
{ log.error(ex); }
...use of result (without storing it anywhere)...
<end of method>


Nothing has changed. Sooner or later, when I undeploy the webapp I get a couple of the following:

mar 12, 2015 5:46:05 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
Grave: The web application [/soci-operativi] created a ThreadLocal with key of type [com.sun.xml.bind.v2.ClassFactory$1]
(value [com.sun.xml.bind.v2.ClassFactory$1@2379cbe3]) and a value of type [java.util.WeakHashMap]
(value [
{class it.cai.auth.ws.core.service.UserGroup=java.lang.ref.WeakReference@1138b647, class it.cai.auth.ws.core.service.GetUserDataResponse=java.lang.ref.WeakReference@2246f826,
class java.util.ArrayList=java.lang.ref.WeakReference@614d985e, class it.cai.auth.ws.core.service.User=java.lang.ref.WeakReference@2d4e753a,
class it.cai.auth.ws.core.service.Authority=java.lang.ref.WeakReference@79f24a12}
]) but failed to remove it when the web application was stopped. Threads are going to be renewed
over time to try and avoid a probable memory leak.

mar 12, 2015 5:46:05 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
Grave: The web application [/soci-operativi] created a ThreadLocal with key of type [java.lang.ThreadLocal]
(value [java.lang.ThreadLocal@11dd224a]) and a value of type [org.apache.cxf.BusFactory.BusHolder]
(value [org.apache.cxf.BusFactory$BusHolder@4cf6316f]) but failed to remove it when the web
application was stopped. Threads are going to be renewed over time to try and avoid a probable
memory leak.

Just to be clear, classes it.cai.auth.ws.core.service.* are those dynamically created by CXF.


> Memory leak in tomcat webapp
> ----------------------------
>
>                 Key: CXF-6298
>                 URL: https://issues.apache.org/jira/browse/CXF-6298
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-WS Runtime
>    Affects Versions: 3.0.4
>         Environment: Tomcat 7.0.55
>            Reporter: Alessandro Canevese
>
> I'm developing a J2EE webapp with Spring 4.1, Struts2, etc.. I'm not able to redeploy
my app under development more than a couple of times before a permgen / out of memory error
is fired.
> To see if it's my Spring configuration fault, I've got rid of the jaxws bean and I've
put the following code directly in a method:
> ...
> JaxWsDynamicClientFactory dcf = JaxWsDynamicClientFactory.newInstance();
> Client client = dcf.createClient(serviceUrl + "?wsdl");
> Object result = null;
> try
> { Object[] callResult = client.invoke(methodName, parameter); result = callResult[0];
}
> catch (Exception ex)
> { log.error(ex); }
> ...use of result (without storing it anywhere)...
> <end of method>
> Nothing has changed. Sooner or later, when I undeploy the webapp I get a couple of the
following:
> mar 12, 2015 5:46:05 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> Grave: The web application [/soci-operativi] created a ThreadLocal with key of type [com.sun.xml.bind.v2.ClassFactory$1]
(value [com.sun.xml.bind.v2.ClassFactory$1@2379cbe3]) and a value of type [java.util.WeakHashMap]
(value [
> {class it.cai.auth.ws.core.service.UserGroup=java.lang.ref.WeakReference@1138b647, class
it.cai.auth.ws.core.service.GetUserDataResponse=java.lang.ref.WeakReference@2246f826, class
java.util.ArrayList=java.lang.ref.WeakReference@614d985e, class it.cai.auth.ws.core.service.User=java.lang.ref.WeakReference@2d4e753a,
class it.cai.auth.ws.core.service.Authority=java.lang.ref.WeakReference@79f24a12}
> ]) but failed to remove it when the web application was stopped. Threads are going to
be renewed over time to try and avoid a probable memory leak.
> mar 12, 2015 5:46:05 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks
> Grave: The web application [/soci-operativi] created a ThreadLocal with key of type [java.lang.ThreadLocal]
(value [java.lang.ThreadLocal@11dd224a]) and a value of type [org.apache.cxf.BusFactory.BusHolder]
(value [org.apache.cxf.BusFactory$BusHolder@4cf6316f]) but failed to remove it when the web
application was stopped. Threads are going to be renewed over time to try and avoid a probable
memory leak.
> Just to be clear, classes it.cai.auth.ws.core.service.* are those dynamically created
by CXF accessing the ws pointed by the serviceUrl above.



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