[HADOOP-11916] TestStringUtils#testLowerAndUpperStrings failed on MAC due to a JVM bug

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Target Version/s: 2.8.0
• Hadoop Flags: Reviewed
• Assignee: Ming Ma
• Reporter: Ming Ma
• Created: 04/May/15 18:58
• Updated: 30/Aug/16 01:28
• Resolved: 05/May/15 03:40

Description

The test fails with the below exception. It turns out there is a JVM bug for MAC, http://bugs.java.com/bugdatabase/view_bug.do?bug_id=8047340.

testLowerAndUpperStrings(org.apache.hadoop.util.TestStringUtils)  Time elapsed: 0.205 sec  <<< ERROR!
java.lang.Error: posix_spawn is not a supported process launch mechanism on this platform.
	at java.lang.UNIXProcess$1.run(UNIXProcess.java:104)
	at java.lang.UNIXProcess$1.run(UNIXProcess.java:93)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.lang.UNIXProcess.<clinit>(UNIXProcess.java:91)
	at java.lang.ProcessImpl.start(ProcessImpl.java:130)
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:1028)
	at org.apache.hadoop.util.Shell.runCommand(Shell.java:486)
	at org.apache.hadoop.util.Shell.run(Shell.java:456)
	at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:722)
	at org.apache.hadoop.util.Shell.isSetsidSupported(Shell.java:391)
	at org.apache.hadoop.util.Shell.<clinit>(Shell.java:381)
	at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:80)
	at org.apache.hadoop.util.TestStringUtils.testLowerAndUpperStrings(TestStringUtils.java:432)

Perhaps we can disable this test case on MAC.

Issue Links

• is related to: HADOOP-11924 Tolerate JDK-8047340-related exceptions in Shell#isSetSidAvailable preventing class init