Hello Everypne,
In order to change the java.io.tmpdir to 'C:\Adobe\AEM\Author\cq-temp', I changed like the below that in C:\Adobe\AEM\Author\crx-quickstart\bin\start.bat
::* -------------------
::* Default JVM options
::* -------------------
set CQ_JVM_OPTS=-server
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.awt.headless=true
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Xms8192m
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Xmx8192m
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:MaxMetaspaceSize=512m
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:NewRatio=1
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:MaxTenuringThreshold=15
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+UseConcMarkSweepGC
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:ConcGCThreads=4
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:ParallelGCThreads=4
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.io.tmpdir=C:\Adobe\AEM\Author\cq-temp
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+HeapDumpOnOutOfMemoryError
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:HeapDumpPath=C:\Adobe\AEM\Author\cq-temp
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Doak.queryLimitInMemory=500000
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Doak.queryLimitReads=100000
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Dupdate.limit=250000
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Doak.fastQuerySize=true
But it doesn't change.
My environment is the following :
-AEM 6.3
-Windows 10
-Java 1.8.1
Can you help me with mine?
Regards
Chung Yong.
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When I upload the package file, java.lang.OutOfMemoryError : Java heap space happens.
I want to fix java.lang.OutOfMemoryError : Java heap space.
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You may need to increase heap memory
e.g.
-Xmx
The flag Xmx specifies the maximum memory allocation pool for a Java Virtual Machine (JVM), while Xms specifies the initial memory allocation pool. A common use for these flags is when you encounter a java.lang.OutOfMemoryError.
-Xms set initial Java heap size
-Xmx set maximum Java heap size
-Xss set java thread stack size
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Have you restarted your instance?
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Yes, I have restared instance.
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"GC overhead limit excessed" means that you ran out of heap memory, not disk memory :-)
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I have imported package1.zip successfully in Package Manager.
but we could not import contenct2.zip because of GC overhead limit exceeded
--------------------------------------------
package1.zip : 20 MB
cotent2.zip : 723 MB
Here is my JVM options.
set CQ_JVM_OPTS=-server
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.awt.headless=true
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:NewRatio=1
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+UseParallelGC
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+UseParallelOldGC
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:ParallelGCThreads=4
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Xms8192m
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Xmx8192m
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:PermSize=256m
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:MaxPermSize=1024m
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.io.tmpdir=C:\Adobe\AEM\Author\cq-temp
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:+HeapDumpOnOutOfMemoryError
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -XX:HeapDumpPath=C:\Adobe\AEM\Author\cq-temp
set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djackrabbit.maxQueuedEvents=1000000
My environment is the following :
-AEM 6.3
-Windows 10
-RAM 8 GM.
-Java 1.8.1
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Do you have another instance to test with. As Joerg as pointed out, looks like memory issue with your server.
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My friend has the same environment with me.
-AEM 6.3
-Windows 10
-RAM 8 GM.
-Java 1.8.1
he has the same error(GC overhead limit exceeded) with me.
Do we have to replace the ram size from 8 G to 16 G in order to fix the memory issue ?
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that would be a good way to start. 8 GB of Ram is not a lot of RAM for an enterprise server. However 8 is within specification of AEM Technical Requirements
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Adding more RAM to the machine itself does not solve the problem in the first place, you need to give the JVM more heap. In my local development environments I always used -Xmx1G and it worked flawlessly.
What kind of package do you install?
Jörg
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This is my CQ_JVM_OPTS.
CQ_JVM_OPTS='-server -Xms4096m -Xmx4096m -Xss1024k -XX:MaxPermSize=512m -XX:-UseGCOverheadLimit -Djava.awt.headless=true -Djava.io.tmpdir=C:\Adobe\AEM\Author\cq-temp'
When I upload cotent2.zip(723 MB) into Package Manager, GC overhead limit exceeded happens.
This is my system.
This is my Task Manager.
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In case if you are not starting the instance using <crx-quickstart>\bin\start.bat, please do. It seems you are starting by double-clicking on the jar file.
Thanks
Wasil
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Yes, I was starting by double-clicking on the jar file.
Can you explain how to run start.bat in command.
I referenced the following url.
But I can not run start.bat
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In Windows explorer, just execute the start.bat by double clicking it. I assume java is set on the path environment variable already[1].
It would launch the AEM instance in new CMD shell as follows :
Thanks
Wasil
[1] How to set JAVA_HOME on Windows 10? – Mkyong.com
P.S. : Stop existing running AEM instance to avoid any port conflict while startup.
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Our Cust Care team suggested:
There is a powershell script they can run on their windows environment to capture thread dumps and windows process information (similar to top)
https://github.com/cqsupport/jstackSeries.sh/blob/master/jstackSeries_powershell.ps1
CPU utilization would be high here as GC would be throttling the instance
That -xss JVM flag seems … out of place. It limits the thread stack to 1 MB which is tiny .
That MaxPermSize flag is also useless if they are on Java8.
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I have already added JAVA_HOME in Environment Varialble for System.
But I can not start start.bat in Windows PowerShell too.
This is my start.bat
@echo off
:: This script configures the start information for this server.
::
:: The following variables may be used to override the defaults.
:: For one-time overrides the variable can be set as part of the command-line; e.g.,
::
:: SET CQ_PORT=1234 & ./start.bat
::
setlocal
::* TCP port used for stop and status scripts
if not defined CQ_PORT set CQ_PORT=4502
::* hostname of the interface that this server should listen to
:: if not defined CQ_HOST set CQ_HOST=
::* runmode(s)
::* will not be used if repository is already present
if not defined CQ_RUNMODE set CQ_RUNMODE=author
::* name of the jarfile
:: if not defined CQ_JARFILE set CQ_JARFILE=
::* default JVM options
if not defined CQ_JVM_OPTS set CQ_JVM_OPTS='-server -Xms8192m -Xmx8192m -Xss1024k -XX:MaxPermSize=1024m -XX:-UseGCOverheadLimit -Djava.awt.headless=true -Djava.io.tmpdir=C:\Adobe\AEM\Author\cq-temp'
::* ------------------------------------------------------------------------------
::* authentication
::* ------------------------------------------------------------------------------
::* when using oak (crx3) authentication must be configured using the
::* Apache Felix JAAS Configuration Factory service via the Web Console
::* see http://jackrabbit.apache.org/oak/docs/security/authentication/externalloginmodule.html
::* use jaas.config (legacy: only used for crx2 persistence)
:: if not defined CQ_USE_JAAS set CQ_USE_JAAS=true
::* config for jaas (legacy: only used for crx2 persistence)
if not defined CQ_JAAS_CONFIG set CQ_JAAS_CONFIG=etc\jaas.config
::* ------------------------------------------------------------------------------
::* persistence mode
::* ------------------------------------------------------------------------------
::* the persistence mode can not be switched for an existing repository
set CQ_RUNMODE=%CQ_RUNMODE%,crx3,crx3tar
:: set CQ_RUNMODE=%CQ_RUNMODE%,crx3,crx3mongo
::* settings for mongo db
:: if not defined CQ_MONGO_HOST set CQ_MONGO_HOST=127.0.0.1
:: if not defined CQ_MONGO_PORT set CQ_MONGO_PORT=27017
:: if not defined CQ_MONGO_DB set CQ_MONGO_DB=aem6
::* ------------------------------------------------------------------------------
::* do not configure below this point
::* ------------------------------------------------------------------------------
chdir /D %~dp0
cd ..
if exist conf\controlport del conf\controlport
if not defined CQ_JARFILE for %%X in (app\*.jar) do set CQ_JARFILE=%%X
for %%* in (.) do set CurrDirName=%%~n*
cd ..
set START_OPTS=start -c %CurrDirName% -i launchpad
if defined CQ_PORT set START_OPTS=%START_OPTS% -p %CQ_PORT%
if defined CQ_RUNMODE set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Dsling.run.modes=%CQ_RUNMODE%
if defined CQ_HOST set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Dorg.apache.felix.http.host=%CQ_HOST%
if defined CQ_HOST set START_OPTS=%START_OPTS% -a %CQ_HOST%
if defined CQ_MONGO_HOST set START_OPTS=%START_OPTS% -Doak.mongo.host=%CQ_MONGO_HOST%
if defined CQ_MONGO_PORT set START_OPTS=%START_OPTS% -Doak.mongo.port=%CQ_MONGO_PORT%
if defined CQ_MONGO_DB set START_OPTS=%START_OPTS% -Doak.mongo.db=%CQ_MONGO_DB%
if defined CQ_USE_JAAS set CQ_JVM_OPTS=%CQ_JVM_OPTS% -Djava.security.auth.login.config=%CQ_JAAS_CONFIG%
set START_OPTS=%START_OPTS% -Dsling.properties=conf/sling.properties
if exist newTaskList.txt del newTaskList.txt
if exist oldTaskList.txt del oldTaskList.txt
tasklist /FI "IMAGENAME eq java.exe" /NH > oldTaskList.txt
start "CQ" cmd.exe /C java %CQ_JVM_OPTS% -jar %CurrDirName%\%CQ_JARFILE% %START_OPTS%
:: removing the delay until CQ-4202186 is solved
:: timeout /T 1 /NOBREAK >nul
tasklist /FI "IMAGENAME eq java.exe" /NH > newTaskList.txt
java -cp %~dp0 GetProcessID oldTaskList.txt newTaskList.txt java.exe > %CurrDirName%\conf\cq.pid
if exist newTaskList.txt del newTaskList.txt
if exist oldTaskList.txt del oldTaskList.txt
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You could be facing a bug of some sort. Customer care and AEM community members have attempted to answer this. If you are still facing issues, i recommend opening a support ticket so our cust care team can investigate this and get to the bottom of what is happening.
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I fixed the error.
CQ_JVM_OPTS In start.bat changed like the below that.
if not defined CQ_JVM_OPTS set CQ_JVM_OPTS=-Xms8192m -Xmx8192m -Xss1024k -XX:MaxPermSize=1024m -XX:-UseGCOverheadLimit -Djava.awt.headless=true -Djava.io.tmpdir=C:\Adobe\AEM\Author\cq-temp
Thank you.
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