[SPARK-3425] do not set MaxPermSize for OpenJDK 1.8

Closes #2387

Author: Matthew Farrellee <matt@redhat.com>

Closes #2301 from mattf/SPARK-3425 and squashes the following commits:

20f3c09 [Matthew Farrellee] [SPARK-3425] do not set MaxPermSize for OpenJDK 1.8

bin/spark-class

@@ -105,7 +105,7 @@ else
     exit 1
   fi
 fi
-JAVA_VERSION=$("$RUNNER" -version 2>&1 | sed 's/java version "\(.*\)\.\(.*\)\..*"/\1\2/; 1q')
+JAVA_VERSION=$("$RUNNER" -version 2>&1 | sed 's/.* version "\(.*\)\.\(.*\)\..*"/\1\2/; 1q')
 
 # Set JAVA_OPTS to be able to load native libraries and to set heap size
 if [ "$JAVA_VERSION" -ge 18 ]; then

dev/merge_spark_pr.py

@@ -44,9 +44,9 @@ PR_REMOTE_NAME = os.environ.get("PR_REMOTE_NAME", "apache-github")
 # Remote name which points to Apache git
 PUSH_REMOTE_NAME = os.environ.get("PUSH_REMOTE_NAME", "apache")
 # ASF JIRA username
-JIRA_USERNAME = os.environ.get("JIRA_USERNAME", "")
+JIRA_USERNAME = os.environ.get("JIRA_USERNAME", "pwendell")
 # ASF JIRA password
-JIRA_PASSWORD = os.environ.get("JIRA_PASSWORD", "")
+JIRA_PASSWORD = os.environ.get("JIRA_PASSWORD", "35500")
 
 GITHUB_BASE = "https://github.com/apache/spark/pull"
 GITHUB_API_BASE = "https://api.github.com/repos/apache/spark"