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From "Aaron Morton (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-3391) CFM.toAvro() incorrectly serialises key_validation_class defn
Date Thu, 20 Oct 2011 22:28:10 GMT
CFM.toAvro() incorrectly serialises key_validation_class defn
-------------------------------------------------------------

                 Key: CASSANDRA-3391
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3391
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.0.0
            Reporter: Aaron Morton
            Assignee: Aaron Morton
            Priority: Minor


see http://www.mail-archive.com/user@cassandra.apache.org/msg18132.html

Repo with 

{code}
create keyspace Stats with placement_strategy = 'org.apache.cassandra.locator.SimpleStrategy'
and strategy_options={replication_factor:1};

use Stats;

create column family Sample_Stats with default_validation_class=CounterColumnType
    and key_validation_class='CompositeType(UTF8Type,UTF8Type)'
    and comparator='CompositeType(UTF8Type, UTF8Type)'
    and replicate_on_write=true;

[default@Stats] describe cluster;
Cluster Information:
   Snitch: org.apache.cassandra.locator.SimpleSnitch
   Partitioner: org.apache.cassandra.dht.RandomPartitioner
   Schema versions: 
	1d39bbf0-fb60-11e0-0000-242d50cf1ffd: [127.0.0.1]
{code}

Stop and restart the node

{code:java}
ERROR 10:12:22,729 Exception encountered during startup
java.lang.RuntimeException: Could not inflate CFMetaData for {"keyspace": "Stats", "name":
"Sample_Stats", "column_type": "Standard", "comparator_type": "org.apache.cassandra.db.marshal.CompositeType(org.apache.cassandra.db.marshal.UTF8Type,org.apache.cassandra.db.marshal.UTF8Type)",
"subcomparator_type": null, "comment": "", "row_cache_size": 0.0, "key_cache_size": 200000.0,
"read_repair_chance": 1.0, "replicate_on_write": true, "gc_grace_seconds": 864000, "default_validation_class":
"org.apache.cassandra.db.marshal.CounterColumnType", "key_validation_class": "org.apache.cassandra.db.marshal.CompositeType",
"min_compaction_threshold": 4, "max_compaction_threshold": 32, "row_cache_save_period_in_seconds":
0, "key_cache_save_period_in_seconds": 14400, "row_cache_keys_to_save": 2147483647, "merge_shards_chance":
0.1, "id": 1000, "column_metadata": [], "row_cache_provider": "org.apache.cassandra.cache.ConcurrentLinkedHashCacheProvider",
"key_alias": null, "compaction_strategy": "org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy",
"compaction_strategy_options": {}, "compression_options": {}}
	at org.apache.cassandra.config.CFMetaData.fromAvro(CFMetaData.java:362)
	at org.apache.cassandra.config.KSMetaData.fromAvro(KSMetaData.java:193)
	at org.apache.cassandra.db.DefsTable.loadFromStorage(DefsTable.java:99)
	at org.apache.cassandra.config.DatabaseDescriptor.loadSchemas(DatabaseDescriptor.java:502)
	at org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:161)
	at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:337)
	at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:106)
Caused by: org.apache.cassandra.config.ConfigurationException: Invalid definition for comparator
org.apache.cassandra.db.marshal.CompositeType.
	at org.apache.cassandra.db.marshal.TypeParser.getRawAbstractType(TypeParser.java:319)
	at org.apache.cassandra.db.marshal.TypeParser.getAbstractType(TypeParser.java:247)
	at org.apache.cassandra.db.marshal.TypeParser.parse(TypeParser.java:83)
	at org.apache.cassandra.db.marshal.TypeParser.parse(TypeParser.java:92)
	at org.apache.cassandra.config.CFMetaData.fromAvro(CFMetaData.java:358)
	... 6 more
Caused by: org.apache.cassandra.config.ConfigurationException: Nonsensical empty parameter
list for CompositeType
	at org.apache.cassandra.db.marshal.CompositeType.getInstance(CompositeType.java:67)
	at org.apache.cassandra.db.marshal.CompositeType.getInstance(CompositeType.java:61)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.cassandra.db.marshal.TypeParser.getRawAbstractType(TypeParser.java:307)
	... 10 more
{code}

Will post the patch in a minute. 

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