ch.qos.logback.classic.AsyncAppender has been used in my application for logging . PFA logback file.

Activemq 18 pool connection and Database 7 connection com.mchange.v2.c3p0.ComboPooledDataSource, unsafe.park stack trace All pool threads are waiting for database Queue.

Please check below 2 thread stack trace. Threads are not getting back in runnable mode.

Stack trace:
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
java.util.concurrent.ArrayBlockingQueue.put(ArrayBlockingQueue.java:353)
ch.qos.logback.core.AsyncAppenderBase.put(AsyncAppenderBase.java:160)
ch.qos.logback.core.AsyncAppenderBase.append(AsyncAppenderBase.java:148)
ch.qos.logback.core.UnsynchronizedAppenderBase.doAppend(UnsynchronizedAppenderBase.java:84)
ch.qos.logback.core.spi.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:48)
ch.qos.logback.classic.Logger.appendLoopOnAppenders(Logger.java:270)
ch.qos.logback.classic.Logger.callAppenders(Logger.java:257)
ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:421)
ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:383)
ch.qos.logback.classic.Logger.info(Logger.java:579)
com.cox.ccpt.ivr.lrx.consumer.Task.run(Task.java:69)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
java.lang.Thread.run(Thread.java:745)

Stack trace:
java.lang.Object.wait(Native Method)
java.lang.Object.wait(Object.java:502)
org.apache.activemq.SimplePriorityMessageDispatchChannel.dequeue(SimplePriorityMessageDispatchChannel.java:87)
org.apache.activemq.ActiveMQMessageConsumer.dequeue(ActiveMQMessageConsumer.java:470)
org.apache.activemq.ActiveMQMessageConsumer.receive(ActiveMQMessageConsumer.java:522)
org.apache.activemq.pool.PooledMessageConsumer.receive(PooledMessageConsumer.java:62)
com.cox.ccpt.ivr.lrx.consumer.Task.run(Task.java:68)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
java.lang.Thread.run(Thread.java:745)