15-Mar-2019 12:09:24.926 WARNING [http-nio-8080-exec-25] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [manager-asiacredit] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
15-Mar-2019 12:09:24.937 WARNING [http-nio-8080-exec-25] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [manager-asiacredit] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
java.lang.Object.wait(Native Method)
java.lang.ref.ReferenceQueue.remove(
ReferenceQueue.java:144)
com.mysql.jdbc.AbandonedConnectionCleanupThread.run(
AbandonedConnectionCleanupThread.java:64)
java.util.concurrent.ThreadPoolExecutor.runWorker(
ThreadPoolExecutor.java:1149)
java.util.concurrent.ThreadPoolExecutor$
Worker.run(
ThreadPoolExecutor.java:624)
java.lang.Thread.run(
Thread.java:748)
15-Mar-2019 12:09:26.705 INFO [Abandoned connection cleanup thread] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading Illegal access: this web application instance has been stopped already. Could not load []. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load []. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(
WebappClassLoaderBase.java:1383)
at org.apache.catalina.loader.WebappClassLoaderBase.getResource(
WebappClassLoaderBase.java:1036)
at com.mysql.jdbc.AbandonedConnectionCleanupThread.checkContextClassLoaders(
AbandonedConnectionCleanupThread.java:90)
at
com.mysql.jdbc.AbandonedConnectionCleanupThread.run(
AbandonedConnectionCleanupThread.java:63)
at java.util.concurrent.ThreadPoolExecutor.runWorker(
ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$
Worker.run(
ThreadPoolExecutor.java:624)
at
java.lang.Thread.run(
Thread.java:748)