java - memory leak due to Oracle JDBC driver(ojdbc6-11.2.0.jar) on OpenShift/jbossews/Tomcat7.x -


i using openshift/jbossews(tomcat-7) , spring 4.x & oracle 11g(ojdbc6-11.2.0.jar) database connectivity configured using tomcat jndi datasource.

when try re-deploy code(war) using ci(jenkin build)..in application oracle classes gives memory leak notification in server logs.

did faced type of issue ,please me clear severe error. there can clean these?

openshift tomcat server logs:- 

sep 30, 2015 1:35:12 org.apache.catalina.core.standardservice startinternal     info: starting service catalina     sep 30, 2015 1:35:12 org.apache.catalina.core.standardengine startinternal     info: starting servlet engine: apache tomcat/7.0.54     sep 30, 2015 1:35:13 org.apache.catalina.startup.hostconfig deploywar     info: deploying web application archive /var/lib/openshift/546d3268d14ee9564d002626/app-root/runtime/dependencies/jbossews/webapps/root.war     sep 30, 2015 1:35:34 org.apache.tomcat.jdbc.pool.datasourcefactory performjndilookup     warning: name "jdbc/dmdatasource" can not found in initialcontext.     log4j:warn no appenders found logger (org.springframework.web.context.contextloader).     log4j:warn please initialize log4j system properly.     sep 30, 2015 1:35:36 org.apache.catalina.core.standardcontext startinternal     severe: error listenerstart     sep 30, 2015 1:35:36 org.apache.catalina.core.standardcontext startinternal     severe: context [] startup failed due previous errors     sep 30, 2015 1:35:36 org.apache.catalina.loader.webappclassloader checkthreadlocalmapforleaks     severe: web application [] created threadlocal key of type [java.lang.threadlocal] (value [java.lang.threadlocal@cf69687]) , value of type [java.lang.class] (value [class oracle.sql.anydatafactory]) failed remove when web application stopped. threads going renewed on time try , avoid probable memory leak.     sep 30, 2015 1:35:36 org.apache.catalina.loader.webappclassloader checkthreadlocalmapforleaks     severe: web application [] created threadlocal key of type [java.lang.threadlocal] (value [java.lang.threadlocal@11147fb7]) , value of type [java.lang.class] (value [class oracle.sql.typedescriptorfactory]) failed remove when web application stopped. threads going renewed on time try , avoid probable memory leak.     sep 30, 2015 1:35:36 org.apache.catalina.startup.hostconfig deploywar     info: deployment of web application archive /var/lib/openshift/546d3268d14ee9564d002626/app-root/runtime/dependencies/jbossews/webapps/root.war has finished in 23,890 ms     sep 30, 2015 1:35:36 org.apache.coyote.abstractprotocol start     info: starting protocolhandler ["http-bio-127.3.183.129-8080"]     sep 30, 2015 1:35:36 org.apache.catalina.startup.catalina start     info: server startup in 24114 ms


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