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  1. JBoss Enterprise Application Platform
  2. JBEAP-20350

(7.3.z) Java Heap Space error when running Bootable JAR TS against EAP XP 2

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      While running internal TS tests which are dealing with Bootable JAR we noticed that a Java Heap Space error appears randomly and on different platforms, e.g.:

      ...
19:04:49 [INFO] --- wildfly-jar-maven-plugin:2.0.0.Final-redhat-00001:package (wildfly-jar.cdi-jaxrs-jpa-jta.optimized) @ cdi-jaxrs-jpa-jta ---
19:04:49 [INFO] Provisioning server using feature-packs
19:04:49 [INFO] Provisioning server configuration based on the set of configured layers
19:04:49 [INFO] Building server based on [[eap-mp@maven(org.jboss.universe:product-universe):current#2.0.0.GA-redhat-20201013-1 inherit-packages=false inheritConfigs=false]] galleon feature-packs
19:04:49 [INFO] Found boot artifact org.jboss.eap:wildfly-jar-boot:jar:2.0.0.GA-redhat-20201013-1:provided in eap-mp@maven(org.jboss.universe:product-universe):current#2.0.0.GA-redhat-20201013-1
19:04:53 [INFO] CLI executions are done in forked process
19:04:53 [INFO] Executing CLI, Server configuration
19:04:56 [INFO] CLI scripts execution done.
...
19:05:07 [INFO] BUILD FAILURE
19:05:07 [INFO] ------------------------------------------------------------------------
19:05:07 [INFO] Total time:  07:22 min
19:05:07 [INFO] Finished at: 2020-10-14T17:05:06Z
19:05:07 [INFO] ------------------------------------------------------------------------
19:05:07 [ERROR] Java heap space -> [Help 1]
...

      Form an early investigation by jbliznak@redhat.com it seems Galleon core
      org.jboss.galleon.util.ZipUtils is using default com.sun.nio.zipfs.ZipFileSystem implementation which seems to perform filesystem operations without buffering in some cases. This would for instance cause a +100 MB growth when wildfly.zip is added to JAR.

      This could be reproduced randomly with WildFly as well by explicitly setting Heap quota:

      export MAVEN_OPTS="-XX:+PrintFlagsFinal -Xmx1g"; mvn clean integration-test -Dversion.org.wildfly.jar.plugin=2.0.0.Final -Dmaven.repo.local=/tmp/local-repo-bootjar -Dtestsuite.galleon.pack.groupId=org.wildfly -Dtestsuite.galleon.pack.artifactId=wildfly-galleon-pack -Dtestsuite.galleon.pack.version=21.0.0.Final -Dinsecure.repositories=WARN -e

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          is cloned by

          Bug - A problem that impairs or prevents the functions of the product. WFLY-13974 Java Heap Space error when running Bootable JAR TS against WildFly 21

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved
          is incorporated by

          Component Upgrade - A task tracking an update to a bundled component or revision of component upstream of the project. JBEAP-20368 (7.3.z) Upgrade Bootable JAR Maven plugin to 2.0.1.Final

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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              jdenise@redhat.com Jean Francois Denise
              fburzigo Fabio Burzigotti
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