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From "Yuki Morishita (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4697) incorrect debug message in LeveledManifest.java
Date Fri, 21 Sep 2012 15:40:07 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13460566#comment-13460566
] 

Yuki Morishita commented on CASSANDRA-4697:
-------------------------------------------

Currently, it outputs like (on trunk):

DEBUG [main] 2012-09-21 10:33:20,493 LeveledManifest.java (line 621) Estimating [[J@3834a1c8]
compactions to do for Keyspace1.Standard1

Changing to http://docs.oracle.com/javase/6/docs/api/java/util/Arrays.html#toString(java.lang.Object[])
generates:

DEBUG [main] 2012-09-21 10:37:29,181 LeveledManifest.java (line 621) Estimating [0, 0, 0,
0, 0, 0, 0, 0] compactions to do for Keyspace1.Standard1

So, just use Arrays.toString :)
                
> incorrect debug message in LeveledManifest.java
> -----------------------------------------------
>
>                 Key: CASSANDRA-4697
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4697
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.0.11, 1.1.5
>            Reporter: Radim Kolar
>            Priority: Trivial
>
> https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/compaction/LeveledManifest.java
line 622.
> logger.debug("Estimating {} compactions to do for {}.{}",
> new Object[] {Arrays.asList(estimated), cfs.table.name, cfs.columnFamily});
> It does not print list as intended. Arrays.asList(estimated).toString() results in object
reference number, not list itself making debug message useless.
> list should be printed by code like this:
>    String delim = "";
>     for (Item i : list) {
>         sb.append(delim).append(i);
>         delim = ",";
>     }

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