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Deploying the app server may fail with the following error.
Error occurred during deployment: Exception while loading the app : java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: org.apache.catalina.LifecycleException: java.lang.OutOfMemoryError: Java heap space. Please see server.log for more details.
1) Backup the current domain.xml file.
# cp /opt/glassfish/domains/domain1/config/domain.xml /opt/glassfish/domains/domain1/config/domain.xml.bkp
2) Open the domain.xml file with a text editor.
# vi /opt/glassfish/domains/domain1/config/domain.xml
3) Locate the values below and increase them both to 7680m or 10240m (Xmx and Xms must be the same):
<jvm-options>-Xmx5120m</jvm-options>
<jvm-options>-Xms5120m</jvm-options>
It is not recommended to increase the values higher than 10GB.
4) Restart the app server or try to deploy it again.
# killall -9 java
5) Check that java starts with the new Xmx and Xms values.
# ps aux | grep java | grep Xm
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