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https://issues.apache.org/jira/browse/CASSANDRA-19953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17885299#comment-17885299
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Maxwell Guo commented on CASSANDRA-19953:
-----------------------------------------

[~atailh4n] yes ,you are right. Sorry, I didn't take your context into account.
We can set the locale variables of the cassandra process by modifying the java 
code, and it can be made into a configuration, which should not affect your use.

> CQL schema parser fails on startup when system locale set to tr_TR.UTF-8 with 
> SyntaxException: "no viable alternative at character 'ı'"
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-19953
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19953
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL/Interpreter
>            Reporter: Ata İlhan Köktürk
>            Assignee: Ata İlhan Köktürk
>            Priority: Normal
>             Fix For: 4.1.x, 5.0.x, 5.x
>
>
> Fresh installation of Cassandra 5.0 fails to start with the following error:
> {code:java}
> ERROR [main] 2024-09-25 14:50:58,401 CassandraDaemon.java:900 - Exception 
> encountered during startup
> java.lang.ExceptionInInitializerError: null
>     at 
> org.apache.cassandra.service.CassandraDaemon.setupVirtualKeyspaces(CassandraDaemon.java:575)
>     at 
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:286)
>     at 
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:744)
>     at 
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:878)
> Caused by: org.apache.cassandra.exceptions.SyntaxException: Failed parsing 
> CREATE TABLE: [CREATE TABLE streaming (  id timeuuid,
>   follower boolean,
>   operation text, 
>   peers frozen<list<text>>,
>   status text,
>   progress_percentage float,
>   last_updated_at timestamp,
>   duration_millis bigint,
>   failure_cause text,
>   success_message text,
>   bytes_to_receive bigint, 
>   bytes_received bigint, 
>   bytes_to_send bigint, 
>   bytes_sent bigint, 
>   files_to_receive bigint, 
>   files_received bigint, 
>   files_to_send bigint, 
>   files_sent bigint, 
>   status_ınıt_timestamp timestamp,
>   status_start_timestamp timestamp,
>   status_success_timestamp timestamp,
>   status_faılure_timestamp timestamp,
> PRIMARY KEY ((id)))] reason: SyntaxException line 21:9 no viable alternative 
> at character 'ı'
>     at 
> org.apache.cassandra.cql3.CQLFragmentParser.parseAny(CQLFragmentParser.java:48)
>     at 
> org.apache.cassandra.cql3.statements.schema.CreateTableStatement.parse(CreateTableStatement.java:465)
>     at 
> org.apache.cassandra.db.virtual.StreamingVirtualTable.<init>(StreamingVirtualTable.java:37)
>     at 
> org.apache.cassandra.db.virtual.SystemViewsKeyspace.<init>(SystemViewsKeyspace.java:47)
>     at 
> org.apache.cassandra.db.virtual.SystemViewsKeyspace.<clinit>(SystemViewsKeyspace.java:26)
>     ... 4 common frames omitted
> {code}
>  
> So, I changed my system language, re-created and deleted locales (switched 
> from {{tr_TR.UTF-8}} to {{{}en_US.UTF-8{}}}), and changed it from GNOME 
> Settings too.
> I use Ubuntu 24.02. In this error you see {{'ı'}} (a Turkish character, i but 
> without dot) used and Java basically couldn't find an alternative for {{'ı'}} 
> but the question is I just installed Cassandra. I didn't create this table. 
> This is probably for Cassandra and created automatically (I haven't used 
> Cassandra, this was about to be my first time but as you can see I got error).
> Also, I tried other stable version 41x, same result. I completely removed 
> {{/var/lib/cassandra}} and {{/var/log cassandra}} before install too.
> My solution (I am currently trying to test): adding {{Locale.US}} to all 
> {{{}toLowerCase(){}}}, {{toUpperCase()}} etc. Because my keyboard map affects 
> it. I think we can fix this with this way.
>  



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