I can reproduce your stack trace by deliberately not calling connection.close().
"main" #1 prio=5 os_prio=31 cpu=1929.67ms elapsed=28.55s tid=0x00007f8d1c800800 nid=0x1703 waiting on condition [0x0000700000dd1000] java.lang.Thread.State: WAITING (parking) at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method) - parking to wait for <0x000000070ea81590> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(java.base@11.0.1 /LockSupport.java:194) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@11.0.1 /AbstractQueuedSynchronizer.java:2081) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:583) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:442) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363) at org.apache.commons.dbcp2.managed.ManagedConnection.updateTransactionStatus(ManagedConnection.java:127) at org.apache.commons.dbcp2.managed.ManagedConnection.<init>(ManagedConnection.java:60) at org.apache.openejb.resource.jdbc.dbcp.BasicManagedDataSource$1$1.<init>(BasicManagedDataSource.java:90) at org.apache.openejb.resource.jdbc.dbcp.BasicManagedDataSource$1.getConnection(BasicManagedDataSource.java:90) at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1533) at org.apache.openejb.resource.jdbc.ManagedDataSourceExhaustionTest$DBWorker.check(ManagedDataSourceExhaustionTest.java:74) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@11.0.1/Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@11.0.1 /NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@11.0.1 /DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(java.base@11.0.1/Method.java:566) at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) at org.apache.openejb.monitoring.StatsInterceptor.record(StatsInterceptor.java:191) at org.apache.openejb.monitoring.StatsInterceptor.invoke(StatsInterceptor.java:102) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@11.0.1/Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@11.0.1 /NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@11.0.1 /DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(java.base@11.0.1/Method.java:566) at org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) at org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) at org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:85) at org.apache.openejb.core.singleton.SingletonContainer._invoke(SingletonContainer.java:272) at org.apache.openejb.core.singleton.SingletonContainer.invoke(SingletonContainer.java:221) at org.apache.openejb.core.ivm.EjbObjectProxyHandler.synchronizedBusinessMethod(EjbObjectProxyHandler.java:265) at org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:260) at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:89) at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:349) at org.apache.openejb.resource.jdbc.ManagedDataSourceExhaustionTest$DBWorker$$LocalBeanProxy.check(org/apache/openejb/resource/jdbc/ManagedDataSourceExhaustionTest$DBWorker.java) at org.apache.openejb.resource.jdbc.ManagedDataSourceExhaustionTest.test(ManagedDataSourceExhaustionTest.java:84) Is the EJB making the call out to the database running in a transaction? Jon On Tue, Oct 8, 2019 at 7:36 PM Kalyan <kalyanfrem...@gmail.com> wrote: > Yes i am able to reproduce this issue. > > > > > > -- > Sent from: > http://tomee-openejb.979440.n4.nabble.com/TomEE-Users-f979441.html >
