App shutdown - WebappClassLoader checkThreadLocalMapForLeaks

I have a warbled rails 3.1 app, running with jruby 1.6.6 on AWS elastic
beanstalk. When I try and run the server, I get this. What Can I do?

Thanks!

Feb 19, 2012 6:34:31 PM org.apache.catalina.core.StandardServer await
INFO: A valid shutdown command was received via the shutdown port.
Stopping the Server instance.
Feb 19, 2012 6:34:31 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler [“http-bio-8080”]
Feb 19, 2012 6:34:32 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler [“ajp-bio-8009”]
Feb 19, 2012 6:34:33 PM org.apache.catalina.core.StandardService
stopInternal
INFO: Stopping service Catalina
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.jruby.RubyEncoding$2] (value [[email protected]])
and a value of type [org.jruby.RubyEncoding.UTF8Coder] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.joni.StackMachine$1] (value [[email protected]]) and
a value of type [java.lang.ref.WeakReference] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.jruby.RubyEncoding$2] (value [[email protected]])
and a value of type [org.jruby.RubyEncoding.UTF8Coder] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.joni.StackMachine$1] (value [[email protected]]) and
a value of type [java.lang.ref.WeakReference] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.jruby.RubyEncoding$2] (value [[email protected]])
and a value of type [org.jruby.RubyEncoding.UTF8Coder] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.joni.StackMachine$1] (value [[email protected]]) and
a value of type [java.lang.ref.WeakReference] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.jruby.RubyEncoding$2] (value [[email protected]])
and a value of type [org.jruby.RubyEncoding.UTF8Coder] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.joni.StackMachine$1] (value [[email protected]]) and
a value of type [java.lang.ref.WeakReference] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.jruby.RubyEncoding$2] (value [[email protected]])
and a value of type [org.jruby.RubyEncoding.UTF8Coder] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.joni.StackMachine$1] (value [[email protected]]) and
a value of type [java.lang.ref.WeakReference] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.jruby.RubyEncoding$2] (value [[email protected]])
and a value of type [org.jruby.RubyEncoding.UTF8Coder] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.joni.StackMachine$1] (value [[email protected]]) and
a value of type [java.lang.ref.WeakReference] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.jruby.RubyEncoding$2] (value [[email protected]])
and a value of type [org.jruby.RubyEncoding.UTF8Coder] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.joni.StackMachine$1] (value [[email protected]]) and
a value of type [java.lang.ref.WeakReference] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.jruby.RubyEncoding$2] (value [[email protected]])
and a value of type [org.jruby.RubyEncoding.UTF8Coder] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.joni.StackMachine$1] (value [[email protected]]) and
a value of type [java.lang.ref.WeakReference] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.jruby.RubyEncoding$2] (value [[email protected]])
and a value of type [org.jruby.RubyEncoding.UTF8Coder] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks
SEVERE: The web application [] created a ThreadLocal with key of type
[org.joni.StackMachine$1] (value [[email protected]]) and
a value of type [java.lang.ref.WeakReference] (value
[[email protected]]) 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.
Feb 19, 2012 6:34:33 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler [“http-bio-8080”]
Feb 19, 2012 6:34:33 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler [“ajp-bio-8009”]
Feb 19, 2012 6:34:33 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler [“http-bio-8080”]
Feb 19, 2012 6:34:33 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler [“ajp-bio-8009”]
Feb 19, 2012 6:34:35 PM org.apache.catalina.core.AprLifecycleListener
init
INFO: The APR based Apache Tomcat Native library which allows optimal
performance in production environments was not found on the
java.library.path:
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386/client:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/…/lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib
Feb 19, 2012 6:34:35 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler [“http-bio-8080”]
Feb 19, 2012 6:34:35 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler [“ajp-bio-8009”]
Feb 19, 2012 6:34:35 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 525 ms
Feb 19, 2012 6:34:35 PM org.apache.catalina.core.StandardService
startInternal
INFO: Starting service Catalina
Feb 19, 2012 6:34:35 PM org.apache.catalina.core.StandardEngine
startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.22
Feb 19, 2012 6:34:35 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive ROOT.war
Feb 19, 2012 6:34:37 PM org.apache.catalina.core.ApplicationContext log
INFO: Info: received max runtimes = 1
Feb 19, 2012 6:34:37 PM org.apache.catalina.core.ApplicationContext log
INFO: jruby 1.6.6 (ruby-1.9.2-p312) (2012-01-30 5673572) (OpenJDK Client
VM 1.6.0_20) [linux-i386-java]

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