Thomas Kerin created FINERACT-1395:
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Summary: Shutdown leaves java process running with leaked threads
Key: FINERACT-1395
URL: https://issues.apache.org/jira/browse/FINERACT-1395
Project: Apache Fineract
Issue Type: Bug
Components: Build
Affects Versions: 1.5.0
Environment: declare -x HOME="/root"
declare -x JAVA_HOME="/usr/lib/jvm/jdk-15.0.2"
declare -x LANG="C.UTF-8"
declare -x LESSCLOSE="/usr/bin/lesspipe %s %s"
declare -x LESSOPEN="| /usr/bin/lesspipe %s"
declare -x LOGNAME="root"
declare -x MAIL="/var/mail/root"
declare -x OLDPWD
declare -x
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin:/usr/lib/jvm/jdk-15.0.2/bin"
declare -x PWD="/root"
declare -x SHELL="/bin/bash"
declare -x SHLVL="1"
declare -x SUDO_COMMAND="/bin/bash"
declare -x SUDO_GID="0"
declare -x SUDO_UID="0"
declare -x SUDO_USER="root"
declare -x TERM="screen-256color"
declare -x USER="root"
declare -x USERNAME="root"
declare -x XDG_DATA_DIRS="/usr/local/share:/usr/share:/var/lib/snapd/desktop"
Reporter: Thomas Kerin
I have installed Mifos mifosplatform-21.07.01.RELEASE which uses fineract 1.5.0
When I trigger shutdown, a number of warnings about leaked threads are written
to the log. After the shutdown completes, I notice a java process is still
running
Sorry if I've posted this in the wrong place or if this is covered somewhere.
I've searched for the
'org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads' on
the mailing list but it hasn't turned up much.
Here is the first error reported in the log, although there are several more
{{10-Sep-2021 14:37:44.339 WARNING [main]
org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web
application [fineract-provider] appears to have started a thread named
[fineract_default_po}}{{ol housekeeper] but has failed to stop it. This is very
likely to create a memory leak. Stack trace of thread:
[email protected]/jdk.internal.misc.Unsafe.park(Native Method) }}
{{
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)}}
{{
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)}}
{{
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
}}
{{
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
}}
{{
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
}}
{{
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)}}
{{
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)}}
{{ [email protected]/java.lang.Thread.run(Thread.java:829) }}
{{I grepped the logs for the names of the other threads:}}
{{The web application [fineract-provider] appears to have started a thread
named [fineract_default_pool housekeeper]}}
{{}}
{{The web application [fineract-provider] appears to have started a thread
named [Scheduler1_Worker-5]}}
{{}}
{{The web application [fineract-provider] appears to have started a thread
named [Scheduler1_Worker-6]}}
{{}}
{{The web application [fineract-provider] appears to have started a thread
named [Scheduler1_Worker-7]}}
{{}}
{{The web application [fineract-provider] appears to have started a thread
named [pool-11-thread-1]}}
{{}}
{{The web application [fineract-provider] appears to have started a thread
named [Scheduler1group1_Worker-1]}}
{{}}
{{The web application [fineract-provider] appears to have started a thread
named [Scheduler1group3_Worker-1]}}
{{}}
{{The web application [fineract-provider] appears to have started a thread
named [pool-12-thread-1]}}
{{}}
{{The web application [fineract-provider] appears to have started a thread
named [pool-13-thread-1]}}
{{}}
{{The web application [fineract-provider] appears to have started a thread
named [SimpleAsyncTaskExecutor-27]}}
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