Looks like a formatting error in the yaml file. Cheers
----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 15/05/2012, at 8:12 AM, jk2mhm wrote: > when I tried to start my first Cassandra service instance, i got following > error > message, > > JavaBean=org.apache.cassandra.config.Config@7c2e1f1f; No single argument > constructor found for class [Ljava.lang.String; > in "<reader>", line 10, column 1: > cluster_name: 'testCluster' > > I have Java 1.6 and set commitlog, data and saved_caches in cassandra.yxml > > > full log: > > > INFO [main] 2012-05-14 13:05:43,655 AbstractCassandraDaemon.java (line 100) > Logging initialized > INFO [main] 2012-05-14 13:05:43,659 AbstractCassandraDaemon.java (line 121) > JVM > vendor/version: Java HotSpot(TM) 64-Bit Server VM/1.6.0_26 > INFO [main] 2012-05-14 13:05:43,659 AbstractCassandraDaemon.java (line 122) > Heap size: 1060372480/1060372480 > INFO [main] 2012-05-14 13:05:43,659 AbstractCassandraDaemon.java (line 123) > Classpath: C:\apache-cassandra-1.1.0\conf;C:\apache-cassandra-1.1.0\lib\antlr- > 3.2.jar;C:\apache-cassandra-1.1.0\lib\apache-cassandra-1.1.0.jar;C:\apache- > cassandra-1.1.0\lib\apache-cassandra-clientutil-1.1.0.jar;C:\apache-cassandra- > 1.1.0\lib\apache-cassandra-thrift-1.1.0.jar;C:\apache-cassandra-1.1.0\lib\avro- > 1.4.0-fixes.jar;C:\apache-cassandra-1.1.0\lib\avro-1.4.0-sources- > fixes.jar;C:\apache-cassandra-1.1.0\lib\commons-cli-1.1.jar;C:\apache- > cassandra- > 1.1.0\lib\commons-codec-1.2.jar;C:\apache-cassandra-1.1.0\lib\commons-lang- > 2.4.jar;C:\apache-cassandra-1.1.0\lib\compress-lzf-0.8.4.jar;C:\apache- > cassandra-1.1.0\lib\concurrentlinkedhashmap-lru-1.2.jar;C:\apache-cassandra- > 1.1.0\lib\guava-r08.jar;C:\apache-cassandra-1.1.0\lib\high-scale-lib- > 1.1.2.jar;C:\apache-cassandra-1.1.0\lib\jackson-core-asl-1.9.2.jar;C:\apache- > cassandra-1.1.0\lib\jackson-mapper-asl-1.9.2.jar;C:\apache-cassandra- > 1.1.0\lib\jamm-0.2.5.jar;C:\apache-cassandra-1.1.0\lib\jline- > 0.9.94.jar;C:\apache-cassandra-1.1.0\lib\json-simple-1.1.jar;C:\apache- > cassandra-1.1.0\lib\libthrift-0.7.0.jar;C:\apache-cassandra-1.1.0\lib\log4j- > 1.2.16.jar;C:\apache-cassandra-1.1.0\lib\metrics-core-2.0.3.jar;C:\apache- > cassandra-1.1.0\lib\servlet-api-2.5-20081211.jar;C:\apache-cassandra- > 1.1.0\lib\slf4j-api-1.6.1.jar;C:\apache-cassandra-1.1.0\lib\slf4j-log4j12- > 1.6.1.jar;C:\apache-cassandra-1.1.0\lib\snakeyaml-1.6.jar;C:\apache-cassandra- > 1.1.0\lib\snappy-java-1.0.4.1.jar;C:\apache-cassandra-1.1.0\lib\snaptree- > 0.1.jar;C:\apache-cassandra-1.1.0\build\classes\main;C:\apache-cassandra- > 1.1.0\build\classes\thrift;C:\apache-cassandra-1.1.0\lib\jamm-0.2.5.jar > INFO [main] 2012-05-14 13:05:43,662 CLibrary.java (line 66) JNA not found. > Native methods will be disabled. > INFO [main] 2012-05-14 13:05:43,670 DatabaseDescriptor.java (line 127) > Loading > settings from file:/C:/apache-cassandra-1.1.0/conf/cassandra.yaml > ERROR [main] 2012-05-14 13:05:43,762 DatabaseDescriptor.java (line 479) 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@7c2e1f1f; No single argument > constructor found for class [Ljava.lang.String; > in "<reader>", line 10, column 1: > cluster_name: 'testCluster' > ^ > > at > org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct > (Constru > ctor.java:372) > at > org.yaml.snakeyaml.constructor.BaseConstructor.constructObject > (BaseConstructor.j > ava:177) > at > org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument > (BaseConstructor > .java:136) > at > org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData > (BaseConstructor.jav > a:122) > at org.yaml.snakeyaml.Loader.load(Loader.java:52) > at org.yaml.snakeyaml.Yaml.load(Yaml.java:166) > at > org.apache.cassandra.config.DatabaseDescriptor.loadYaml > (DatabaseDescriptor.java: > 143) > at org.apache.cassandra.config.DatabaseDescriptor.<clinit> > (DatabaseDescriptor.java:118) > at > org.apache.cassandra.service.AbstractCassandraDaemon.setup > (AbstractCassandraDaem > on.java:126) > at > org.apache.cassandra.service.AbstractCassandraDaemon.activate > (AbstractCassandraD > aemon.java:353) > at > org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:106) > Caused by: org.yaml.snakeyaml.error.YAMLException: Cannot create > property=data_file_directories for > JavaBean=org.apache.cassandra.config.Config@7c2e1f1f; No single argument > constructor found for class [Ljava.lang.String; > at > org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2n > d > Step(Constructor.java:305) > at > org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct > (Constructo > r.java:184) > at > org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct > (Constru > ctor.java:370) > ... 10 more > Caused by: org.yaml.snakeyaml.error.YAMLException: No single argument > constructor found for class [Ljava.lang.String; > at > org.yaml.snakeyaml.constructor.Constructor$ConstructScalar.construct > (Constructor > .java:419) > at > org.yaml.snakeyaml.constructor.BaseConstructor.constructObject > (BaseConstructor.j > ava:177) > at > org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2n > d > Step(Constructor.java:298) > ... 12 more >
