[HADOOP-3635] Uncaught exception in DataBlockScanner

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.17.0
• Fix Version/s: 0.18.0

Environment

17.0 + H1979-H2159-H3442

• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Koji Noguchi
• Created: 25/Jun/08 00:02
• Updated: 08/Jul/09 16:43
• Resolved: 30/Jun/08 21:01

Description

I see bunch of datanodes stop verifying local blocks.

".out" showed

-rw-r--r--  1 hdfs users 614 Jun 23 10:24 datanode.out

Exception in thread "org.apache.hadoop.dfs.DataBlockScanner@aadc97" java.lang.NumberFormatException: For input string: "121195228080date="
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
        at java.lang.Long.parseLong(Long.java:412)
        at java.lang.Long.valueOf(Long.java:518)
        at org.apache.hadoop.dfs.DataBlockScanner$LogEntry.parseEntry(DataBlockScanner.java:351)
        at org.apache.hadoop.dfs.DataBlockScanner.assignInitialVerificationTimes(DataBlockScanner.java:481)
        at org.apache.hadoop.dfs.DataBlockScanner.run(DataBlockScanner.java:534)
        at java.lang.Thread.run(Thread.java:619)

Namenode log also showed

2008-06-23 10:24:12,831 WARN org.apache.hadoop.dfs.DataBlockScanner: RuntimeException during DataBlockScanner.run() : java.lang.NumberFormatException: For input string: "121195228080date="
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
        at java.lang.Long.parseLong(Long.java:412)
        at java.lang.Long.valueOf(Long.java:518)
        at org.apache.hadoop.dfs.DataBlockScanner$LogEntry.parseEntry(DataBlockScanner.java:351)
        at org.apache.hadoop.dfs.DataBlockScanner.assignInitialVerificationTimes(DataBlockScanner.java:481)
        at org.apache.hadoop.dfs.DataBlockScanner.run(DataBlockScanner.java:534)
        at java.lang.Thread.run(Thread.java:619)

Datanode was still up and running but no verification.
Jstack didn't show DataBlockScanner.