JasperReport error while stopping Tomcat

[tinochka0]

I run a few threads, then stopped Tomcat and get log:

 

INFO: A valid shutdown command was received via the shutdown port. Stopping the Server instance.Oct 15, 2014 8:51:25 AM org.apache.coyote.AbstractProtocol pauseINFO: Pausing ProtocolHandler ["http-bio-8080"]Oct 15, 2014 8:51:25 AM org.apache.coyote.AbstractProtocol pauseINFO: Pausing ProtocolHandler ["ajp-bio-8009"]Oct 15, 2014 8:51:25 AM org.apache.catalina.core.StandardService stopInternalINFO: Stopping service CatalinaOct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [org.springframework.core.NamedInheritableThreadLocal] (value [Request context]) and a value of type [org.springframework.web.context.request.ServletRequestAttributes] (value [securityContextHolderAwareRequestWrapper[ org.springframework.security.web.context.HttpSessionSecurityContextRepository$Servlet3SaveToSessionRequestWrapper@314b997]]) 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.Oct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [org.springframework.core.NamedInheritableThreadLocal] (value [Locale context]) and a value of type [org.springframework.web.servlet.DispatcherServlet$1] (value [org.springframework.web.servlet.DispatcherServlet$1@5687bbfa]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.Oct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [org.springframework.core.NamedInheritableThreadLocal] (value [Request context]) and a value of type [org.springframework.web.context.request.ServletRequestAttributes] (value [securityContextHolderAwareRequestWrapper[ org.springframework.security.web.context.HttpSessionSecurityContextRepository$Servlet3SaveToSessionRequestWrapper@314b997]]) 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.Oct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [org.springframework.core.NamedInheritableThreadLocal] (value [Locale context]) and a value of type [org.springframework.web.servlet.DispatcherServlet$1] (value [org.springframework.web.servlet.DispatcherServlet$1@5687bbfa]) 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.Oct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@69464677]) and a value of type [java.lang.Class] (value [class DenialsByPayorDetailTemplate_1413323002855_518571]) 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.Oct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@4bc64a0]) and a value of type [net.sf.jasperreports.engine.export.legacy.BorderOffset$1] (value [net.sf.jasperreports.engine.export.legacy.BorderOffset$1@6c7246cd]) 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.Oct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [net.sf.jasperreports.engine.fonts.FontUtil$1] (value [net.sf.jasperreports.engine.fonts.FontUtil$1@4286745a]) and a value of type [java.util.HashSet] (value [[]]) 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.Oct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@69464677]) and a value of type [java.lang.Class] (value [class DenialsByPayorDetailTemplate_1413323002855_518571]) 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.Oct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@4bc64a0]) and a value of type [net.sf.jasperreports.engine.export.legacy.BorderOffset$1] (value [net.sf.jasperreports.engine.export.legacy.BorderOffset$1@6c7246cd]) 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.Oct 15, 2014 8:51:26 AM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaksSEVERE: The web application [] created a ThreadLocal with key of type [net.sf.jasperreports.engine.fonts.FontUtil$1] (value [net.sf.jasperreports.engine.fonts.FontUtil$1@4286745a]) and a value of type [java.util.HashSet] (value [[]]) 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.Oct 15, 2014 8:51:26 AM org.apache.coyote.AbstractProtocol stop[/code]

I use jasperreports 5.0.1 Can you help me?