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From "Stu Hood (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1345) Cassandra 0.6.3 fails to restart if Cassandra 0.7 trunk (rev 981071) is run on the same data system store
Date Mon, 02 Aug 2010 14:42:17 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12894555#action_12894555
] 

Stu Hood commented on CASSANDRA-1345:
-------------------------------------

> A workaround can be using sstable2json and json2sstable based data porting
Rather than using sstable2json, we should probably suggest that people use the 'snapshot'
command before performing an upgrade.

> Cassandra 0.6.3 fails to restart if Cassandra 0.7 trunk (rev 981071) is run on the same
data system store
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-1345
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1345
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7 beta 1
>         Environment: Cassandra 0.6.3 , Cassandra 0.7  trunk rev 981071 , jdk1.6, Windows
XP
>            Reporter: Sanjay Sharma
>            Priority: Minor
>
> The bigger question is whether downward compatibility is going to be supported on not!
> The steps were-
> a. Was running an application successfully on Cassandra 0.6.3 built from src on Win XP
> b. Ran Cassandra 0.7  trunk rev 981071 without changing any conf parameters. The server
ran successfully.
> c. Stopped 0.7 server
> d. Started 0.6.3 version- exception was reported. 
> The trace is-
> D:\data\dev\trials\nosql\apache-cassandra-0.6.3-src\bin>set CASSANDRA_HOME=D:\data\dev\trials\nosql\apache-cassandra-0.6.3-src
> Starting Cassandra Server
> Listening for transport dt_socket at address: 8888
>  INFO 12:40:33,921 Auto DiskAccessMode determined to be standard
>  INFO 12:40:34,296 Sampling index for D:\var\lib\cassandra\data\system\LocationInfo-e-47-Data.db
> ERROR 12:40:34,296 Exception encountered during startup.
> java.lang.StringIndexOutOfBoundsException: String index out of range: -1
>         at java.lang.String.substring(String.java:1938)
>         at org.apache.cassandra.dht.RandomPartitioner.convertFromDiskFormat(RandomPartitioner.java:50)
>         at org.apache.cassandra.io.SSTableReader.loadIndexFile(SSTableReader.java:259)
>         at org.apache.cassandra.io.SSTableReader.open(SSTableReader.java:121)
>         at org.apache.cassandra.io.SSTableReader.open(SSTableReader.java:110)
>         at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:178)
>         at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:248)
>         at org.apache.cassandra.db.Table.<init>(Table.java:338)
>         at org.apache.cassandra.db.Table.open(Table.java:199)
>         at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:124)
>         at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:94)
>         at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:211)
> Exception encountered during startup.
> java.lang.StringIndexOutOfBoundsException: String index out of range: -1
>         at java.lang.String.substring(String.java:1938)
>         at org.apache.cassandra.dht.RandomPartitioner.convertFromDiskFormat(RandomPartitioner.java:50)
>         at org.apache.cassandra.io.SSTableReader.loadIndexFile(SSTableReader.java:259)
>         at org.apache.cassandra.io.SSTableReader.open(SSTableReader.java:121)
>         at org.apache.cassandra.io.SSTableReader.open(SSTableReader.java:110)
>         at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:178)
>         at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:248)
>         at org.apache.cassandra.db.Table.<init>(Table.java:338)
>         at org.apache.cassandra.db.Table.open(Table.java:199)
>         at org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:124)
>         at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:94)
>         at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:211)

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