Thank you very much.. The server is up now.. I now hope to get started with my first app on a single cluster Cassandra ...
Asha From: Dave Brosius [mailto:dbros...@mebigfatguy.com] Sent: Wednesday, January 18, 2012 11:23 AM To: user@cassandra.apache.org; Asha Subramanian Subject: Re: Problems Starting Cassandra Server - Change your yaml entry for data_file_directories from data_file_directories: F:\cassandra\data to data_file_directories: - F:\cassandra\data On 01/17/2012 11:54 PM, Asha Subramanian wrote: Here is the yaml file.. Thanks From: Dave Brosius [mailto:dbros...@mebigfatguy.com] Sent: Wednesday, January 18, 2012 9:07 AM To: user@cassandra.apache.org<mailto:user@cassandra.apache.org>; Asha Subramanian Subject: Re: Problems Starting Cassandra Server - It probably would be useful to know what your yaml file looks like. On 01/17/2012 08:58 PM, Asha Subramanian wrote: I am a new user of Cassandra and want to understand the basics of Cassandra before moving to cluster installations etc.. I picked up the latest version of Cassandra from the home page 1.0.7 released on 2012/01/16. I am installing on Windows 7 I have followed all the instx for changing the Cassandra.yaml and also the environment variables.. However when I start the server, I get the following error - What could be the problem ??? F:\cassandra\bin>cassandra.bat Starting Cassandra Server INFO 07:22:37,766 Logging initialized INFO 07:22:37,828 JVM vendor/version: Java HotSpot(TM) Client VM/1.6.0_30 INFO 07:22:37,844 Heap size: 1070399488/1070399488 INFO 07:22:37,844 Classpath: F:\cassandra\conf;F:\cassandra\lib\antlr-3.2.jar;F :\cassandra\lib\apache-cassandra-1.0.6.jar;F:\cassandra\lib\apache-cassandra-cli entutil-1.0.6.jar;F:\cassandra\lib\apache-cassandra-thrift-1.0.6.jar;F:\cassandr a\lib\avro-1.4.0-fixes.jar;F:\cassandra\lib\avro-1.4.0-sources-fixes.jar;F:\cass andra\lib\commons-cli-1.1.jar;F:\cassandra\lib\commons-codec-1.2.jar;F:\cassandr a\lib\commons-lang-2.4.jar;F:\cassandra\lib\compress-lzf-0.8.4.jar;F:\cassandra\ lib\concurrentlinkedhashmap-lru-1.2.jar;F:\cassandra\lib\guava-r08.jar;F:\cassan dra\lib\high-scale-lib-1.1.2.jar;F:\cassandra\lib\jackson-core-asl-1.4.0.jar;F:\ cassandra\lib\jackson-mapper-asl-1.4.0.jar;F:\cassandra\lib\jamm-0.2.5.jar;F:\ca ssandra\lib\jline-0.9.94.jar;F:\cassandra\lib\json-simple-1.1.jar;F:\cassandra\l ib\libthrift-0.6.jar;F:\cassandra\lib\log4j-1.2.16.jar;F:\cassandra\lib\servlet- api-2.5-20081211.jar;F:\cassandra\lib\slf4j-api-1.6.1.jar;F:\cassandra\lib\slf4j -log4j12-1.6.1.jar;F:\cassandra\lib\snakeyaml-1.6.jar;F:\cassandra\lib\snappy-ja va-1.0.4.1.jar;F:\cassandra\build\classes\main;F:\cassandra\build\classes\thrift ;F:\cassandra\lib\jamm-0.2.5.jar INFO 07:22:37,859 JNA not found. Native methods will be disabled. INFO 07:22:37,891 Loading settings from file:/F:/cassandra/conf/cassandra.yaml<file:///F:%5Ccassandra%5Cconf%5Ccassandra.yaml> ERROR 07:22:38,234 Fatal configuration error error Can't construct a java object for tag:yaml.org,2002:org.apache.cassandra.config. Config; exception=Cannot create property=data_file_directories for JavaBean=org. apache.cassandra.config.Config@1329642; No single argument constructor found for class [Ljava.lang.String; in "<reader>", line 10, column 1: cluster_name: 'Test Cluster' ^ at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.constr uct(Constructor.java:372) at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseCo nstructor.java:177) at org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument(Base Constructor.java:136) at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseCons tructor.java:122) at org.yaml.snakeyaml.Loader.load(Loader.java:52) at org.yaml.snakeyaml.Yaml.load(Yaml.java:166) at org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescr iptor.java:133) at org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCa ssandraDaemon.java:125) at org.apache.cassandra.service.AbstractCassandraDaemon.activate(Abstrac tCassandraDaemon.java:337) at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java :107) Caused by: org.yaml.snakeyaml.error.YAMLException: Cannot create property=data_f ile_directories for JavaBean=org.apache.cassandra.config.Config@1329642; No sing le argument constructor found for class [Ljava.lang.String; at org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct JavaBean2ndStep(Constructor.java:305) at org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct (Constructor.java:184) at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.constr uct(Constructor.java:370) ... 9 more Caused by: org.yaml.snakeyaml.error.YAMLException: No single argument constructo r found for class [Ljava.lang.String; at org.yaml.snakeyaml.constructor.Constructor$ConstructScalar.construct( Constructor.java:419) at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseCo nstructor.java:177) at org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct JavaBean2ndStep(Constructor.java:298) ... 11 more null; Can't construct a java object for tag:yaml.org,2002:org.apache.cassandra.c onfig.Config; exception=Cannot create property=data_file_directories for JavaBea n=org.apache.cassandra.config.Config@1329642; No single argument constructor fou nd for class [Ljava.lang.String; Invalid yaml; unable to start server. 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