Since this is parsing error in storm.yaml file, check whether you have any tabspace in file. Try to remove all tab or space and rewrite. Then it should work fine. You can also validate your yaml file on yamlLint <http://www.yamllint.com/>.
On Thu, Apr 16, 2015 at 6:35 PM, Gaurav Pandey <gaurav.pan...@semusi.com> wrote: > I am configuring Cassendra 1.0 on CentOS 5.7 but getting stacked when > running the command "cassandra -f". Here is the error message- > > > Caused by: expected '<document start>', but found BlockMappingStart > in 'reader', line 24, column 1: > storm.zookeeper.port: 2181 > ^ > > at > org.yaml.snakeyaml.parser.ParserImpl$ParseDocumentStart.produce(ParserImpl.java:225) > at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158) > at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:143) > at org.yaml.snakeyaml.composer.Composer.getSingleNode(Composer.java:108) > at > org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:120) > at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:481) > at org.yaml.snakeyaml.Yaml.load(Yaml.java:424) > at backtype.storm.utils.Utils.findAndReadConfigFile(Utils.java:141) > at backtype.storm.utils.Utils.readStormConfig(Utils.java:188) > at backtype.storm.utils.Utils.<clinit>(Utils.java:71) > ... 100 more > > Following is my storm.yaml file in /conf folder: > > > --- > java.library.path: /usr/local/lib > nimbus.childopts: "-Xmx512m" > nimbus.host: localhost > storm.local.dir: /var/stormtmp > storm.zookeeper.port: 2181 > storm.zookeeper.servers: > - localhost > supervisor.childopts: "-Xmx256m" > supervisor.slots.ports: > - 6700 > - 6701 > - 6702 > - 6703 > worker.childopts: "-Xmx768m" > > > Haven't got any answers from stack overflow as of now, can somebody please > suggest where am I going wrogn? > Also if I comment the whole storm.yaml file the error remains the same, but > if I make some syntax error in storm.yaml file it does reflect in the error > stack, along with other erross > > -- with regards, Nishu Tayal
