Github user sohami commented on a diff in the pull request:
https://github.com/apache/drill/pull/693#discussion_r92462112
--- Diff: pom.xml ---
@@ -423,21 +423,23 @@
<artifactId>maven-surefire-plugin</artifactId>
<version>2.17</version>
<configuration>
- <argLine>-Xms512m -Xmx3g -Ddrill.exec.http.enabled=false
- -Ddrill.exec.sys.store.provider.local.write=false
-
-Dorg.apache.drill.exec.server.Drillbit.system_options="org.apache.drill.exec.compile.ClassTransformer.scalar_replacement=on"
- -Ddrill.test.query.printing.silent=true
- -Ddrill.catastrophic_to_standard_out=true
+ <argLine>-Xms512m -Xmx3g
-XX:MaxPermSize=512M -XX:MaxDirectMemorySize=3072M
- -Djava.net.preferIPv4Stack=true
- -Djava.awt.headless=true
-XX:+CMSClassUnloadingEnabled -ea</argLine>
<forkCount>${forkCount}</forkCount>
<reuseForks>true</reuseForks>
<additionalClasspathElements>
<additionalClasspathElement>./exec/jdbc/src/test/resources/storage-plugins.json</additionalClasspathElement>
</additionalClasspathElements>
<systemPropertyVariables>
+ <drill.exec.http.enabled>false</drill.exec.http.enabled>
+
<drill.exec.sys.store.provider.local.write>false</drill.exec.sys.store.provider.local.write>
+
<org.apache.drill.exec.server.Drillbit.system_options>"org.apache.drill.exec.compile.ClassTransformer.scalar_replacement=on"</org.apache.drill.exec.server.Drillbit.system_options>
+
<drill.test.query.printing.silent>true</drill.test.query.printing.silent>
+
<drill.catastrophic_to_standard_out>true</drill.catastrophic_to_standard_out>
+
<drill.memory.debug.allocator>true</drill.memory.debug.allocator>
+ <java.net.preferIPv4Stack>true</java.net.preferIPv4Stack>
--- End diff --
"Java.net.preferIPv4Stack" property needs to be set as command line option
since it's checked by VM only once at startup.
[Reference](https://docs.oracle.com/javase/7/docs/api/java/net/doc-files/net-properties.html):
And Maven
[documentation](http://maven.apache.org/surefire/maven-surefire-plugin/examples/system-properties.html)
states that SystemProperties are used only for the ones that can be set after
VM startup.
Guess same thing is with "java.awt.headless"
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