[HADOOP-13792] Stackoverflow for schemeless defaultFS with trailing slash

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.2
• Fix Version/s: 3.0.0-alpha2
• Component/s: fs
• Hadoop Flags: Incompatible change, Reviewed
• Release Note: FileSystem#getDefaultUri will throw IllegalArgumentException if default FS has no scheme and can not be fixed.
• Assignee: John Zhuge
• Reporter: Darius Murawski
• Created: 02/Nov/16 09:20
• Updated: 15/May/17 12:56
• Resolved: 04/Nov/16 17:50

Description

Command: hadoop fs -fs 172.16.12.79/ -mkdir -p /usr/hduser

Results in a Stack Overflow

Exception in thread "main" java.lang.StackOverflowError
	at java.lang.String.indexOf(String.java:1503)
	at java.net.URI$Parser.scan(URI.java:2951)
	at java.net.URI$Parser.parseHierarchical(URI.java:3104)
	at java.net.URI$Parser.parse(URI.java:3063)
	at java.net.URI.<init>(URI.java:588)
	at java.net.URI.create(URI.java:850)
	at org.apache.hadoop.fs.FileSystem.getDefaultUri(FileSystem.java:180)
	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:172)
	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:357)
	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:172)
	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:357)
        (...)

The Problem is the Slash at the End of the IP Address. When I remove it, the command is executed correctly.

Issue Links

• is duplicated by: HADOOP-9069 FileSystem.get leads to stack overflow if default FS is not configured with a scheme