[HADOOP-3107] fsck failing with NPE

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.15.3, 0.16.1
• Fix Version/s: 0.16.2

Environment

hadoop-0.16.1 + patch H3011-H3033-H3056

• Assignee: Dhruba Borthakur
• Reporter: Koji Noguchi
• Created: 27/Mar/08 18:22
• Updated: 08/Jul/09 16:42
• Resolved: 27/Mar/08 23:59

Description

2008-03-27 07:35:35,954 WARN /: /fsck?path=%2F:
From the namenode log,

java.lang.NullPointerException
at org.apache.hadoop.dfs.NamenodeFsck.check(NamenodeFsck.java:152)
at org.apache.hadoop.dfs.NamenodeFsck.check(NamenodeFsck.java:153)
at org.apache.hadoop.dfs.NamenodeFsck.fsck(NamenodeFsck.java:126)
at org.apache.hadoop.dfs.FsckServlet.doGet(FsckServlet.java:48)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:427)
at
org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:475)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1565)
at
org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:635)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1517)
at org.mortbay.http.HttpServer.service(HttpServer.java:954)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:814)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:981)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:831)
at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)

Issue Links

• is related to: HADOOP-2905 fsck -move triggers NPE in namenode