[rules-users] Guvnor 5.1.1 Memory leak on Tomcat

[bbarani]

Hi,

I have deployed Guvnor 5.1.1 in Tomcat.

I am getting the below error message whenever I shut down Tomcat server.


Sep 21, 2010 3:19:52 PM org.apache.catalina.loader.WebappClassLoader
clearRefere
ncesJdbc
SEVERE: The web application [/drools-5.1.1-guvnor] registered the JBDC
driver [o
rg.apache.derby.jdbc.AutoloadedDriver] but failed to unregister it when the
web
application was stopped. To prevent a memory leak, the JDBC Driver has been
forc
ibly unregistered.
Sep 21, 2010 3:19:53 PM org.apache.catalina.loader.WebappClassLoader
clearRefere
ncesThreads
SEVERE: The web application [/drools-5.1.1-guvnor] appears to have started a
thr
ead named [Timer-1] but has failed to stop it. This is very likely to create
a m
emory leak.
Sep 21, 2010 3:19:53 PM org.apache.catalina.loader.WebappClassLoader
clearRefere
ncesThreads
SEVERE: The web application [/drools-5.1.1-guvnor] appears to have started a
thr
ead named [pool-1-thread-1] but has failed to stop it. This is very likely
to cr
eate a memory leak.
Sep 21, 2010 3:19:53 PM org.apache.catalina.loader.WebappClassLoader
clearRefere
ncesThreads
SEVERE: The web application [/drools-5.1.1-guvnor] appears to have started a
thr
ead named [Thread-23] but has failed to stop it. This is very likely to
create a
 memory leak.
Sep 21, 2010 3:19:53 PM org.apache.catalina.loader.WebappClassLoader
clearRefere
ncesThreads
SEVERE: The web application [/drools-5.1.1-guvnor] appears to have started a
thr
ead named [Timer-5] but has failed to stop it. This is very likely to create
a m
emory leak.
Sep 21, 2010 3:19:53 PM org.apache.catalina.loader.WebappClassLoader
clearThread
LocalMap
SEVERE: The web application [/drools-5.1.1-guvnor] created a ThreadLocal
with ke
y of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal at b54ef7]) and
a v
alue of type [org.apache.jackrabbit.core.query.lucene.PerQueryCache] (value
[org
.apache.jackrabbit.core.query.lucene.PerQueryCache at 1536ecf]) but failed to
remov
e it when the web application was stopped. This is very likely to create a
memor
y leak.
Sep 21, 2010 3:19:53 PM org.apache.catalina.loader.WebappClassLoader
clearThread
LocalMap
SEVERE: The web application [/drools-5.1.1-guvnor] created a ThreadLocal
with ke
y of type [org.apache.derby.iapi.sql.dictionary.TableDescriptor$1] (value
[org.a
pache.derby.iapi.sql.dictionary.TableDescriptor$1 at 8fdcd1]) and a value of
type [
java.util.WeakHashMap] (value [{=null, ={1, 2, 3}, =null, =null, =null, ={1,
2},
 =null, =null, =null, =null, ={1, 2, 3}}]) but failed to remove it when the
web
application was stopped. This is very likely to create a memory leak.
Sep 21, 2010 3:19:53 PM org.apache.catalina.loader.WebappClassLoader
clearThread
LocalMap
SEVERE: The web application [/drools-5.1.1-guvnor] created a ThreadLocal
with ke
y of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal at ea4081]) and
a v
alue of type [org.apache.derby.iapi.services.context.ContextManager] (value
[org
.apache.derby.iapi.services.context.ContextManager at 18facfb]) but failed to
remov
e it when the web application was stopped. This is very likely to create a
memor
y leak.
Sep 21, 2010 3:19:53 PM org.apache.catalina.loader.WebappClassLoader
clearThread
LocalMap
SEVERE: The web application [/drools-5.1.1-guvnor] created a ThreadLocal
with ke
y of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal at ea4081]) and
a v
alue of type [org.apache.derby.iapi.services.context.ContextManager] (value
[org
.apache.derby.iapi.services.context.ContextManager at 1efb003]) but failed to
remov
e it when the web application was stopped. This is very likely to create a
memor
y leak.
Sep 21, 2010 3:19:53 PM org.apache.catalina.loader.WebappClassLoader
clearThread
LocalMap
SEVERE: The web application [/drools-5.1.1-guvnor] created a ThreadLocal
with ke
y of type [org.apache.derby.iapi.sql.dictionary.TableDescriptor$1] (value
[org.a
pache.derby.iapi.sql.dictionary.TableDescriptor$1 at 8fdcd1]) and a value of
type [
java.util.WeakHashMap] (value [{=null}]) but failed to remove it when the
web ap
plication was stopped. This is very likely to create a memory leak.

Has anyone faced this type of issue?

Thanks,
Barani

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