Hey Patricia, Thanks for your kind response. I will surely take care of that provided the use of virtual nodes.
Thanks again! On Tue, Aug 26, 2014 at 10:42 PM, Patricia Gorla <patri...@thelastpickle.com > wrote: > Vineet, > > One more thing -- you have initial_token and num_tokens both set. If you > are trying to use virtual nodes, you should comment out initial_token as > this setting overrides num_tokens. > > Cheers, > > > On Tue, Aug 26, 2014 at 5:39 AM, Vineet Mishra <clearmido...@gmail.com> > wrote: > >> Thanks Vivek! >> >> It was indeed a formatting issue in yaml, got it work! >> >> >> On Tue, Aug 26, 2014 at 6:06 PM, Vivek Mishra <mishra.v...@gmail.com> >> wrote: >> >>> Please read about http://www.yaml.org/start.html. >>> Looks like formatting issue. You might be missing/adding incorrect spaces >>> >>> Validate your YAML file. This should help you out >>> http://yamllint.com/ >>> >>> -Vivek >>> >>> >>> On Tue, Aug 26, 2014 at 4:20 PM, Vineet Mishra <clearmido...@gmail.com> >>> wrote: >>> >>>> Hi Mark, >>>> >>>> Yes I was generating my own cassandra.yaml with the configuration >>>> mentioned below, >>>> >>>> cluster_name: 'node' >>>> initial_token: 0 >>>> num_tokens: 256 >>>> seed_provider: >>>> - class_name: org.apache.cassandra.locator.SimpleSeedProvider >>>> parameters: >>>> - seeds: "192.168.1.32" >>>> listen_address: 192.168.1.32 >>>> rpc_address: 0.0.0.0 >>>> endpoint_snitch: RackInferringSnitch >>>> >>>> Similarly for second node >>>> >>>> cluster_name: 'node' >>>> initial_token: 2305843009213693952 >>>> num_tokens: 256 >>>> seed_provider: >>>> - class_name: org.apache.cassandra.locator.SimpleSeedProvider >>>> parameters: >>>> - seeds: "192.168.1.32" >>>> listen_address: 192.168.1.36 >>>> rpc_address: 0.0.0.0 >>>> endpoint_snitch: RackInferringSnitch >>>> >>>> and so on. . . >>>> >>>> >>>> >>>> But even if I use default xml with the necessary configurational >>>> changes I am getting following error. >>>> >>>> INFO 16:13:38,225 Loading settings from >>>> file:/home/cluster/cassandra/conf/cassandra.yaml >>>> ERROR 16:13:38,301 Fatal configuration error >>>> org.apache.cassandra.exceptions.ConfigurationException: Invalid yaml >>>> at >>>> org.apache.cassandra.config.YamlConfigurationLoader.loadConfig(YamlConfigurationLoader.java:100) >>>> at >>>> org.apache.cassandra.config.DatabaseDescriptor.loadConfig(DatabaseDescriptor.java:135) >>>> at >>>> org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescriptor.java:111) >>>> at >>>> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:156) >>>> at >>>> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:496) >>>> at >>>> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:585) >>>> Caused by: while parsing a block mapping >>>> in 'reader', line 10, column 2: >>>> cluster_name: 'node' >>>> ^ >>>> expected <block end>, but found BlockMappingStart >>>> in 'reader', line 30, column 3: >>>> initial_token: 0 >>>> ^ >>>> >>>> at >>>> org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:570) >>>> 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.composeMappingNode(Composer.java:230) >>>> at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:159) >>>> at >>>> org.yaml.snakeyaml.composer.Composer.composeDocument(Composer.java:122) >>>> at org.yaml.snakeyaml.composer.Composer.getSingleNode(Composer.java:105) >>>> at >>>> org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:120) >>>> at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:481) >>>> at org.yaml.snakeyaml.Yaml.loadAs(Yaml.java:475) >>>> at >>>> org.apache.cassandra.config.YamlConfigurationLoader.loadConfig(YamlConfigurationLoader.java:93) >>>> ... 5 more >>>> Invalid yaml >>>> >>>> Could you figure out whats making the yaml invalid. >>>> >>>> Thanks! >>>> >>>> >>>> On Tue, Aug 26, 2014 at 4:06 PM, Mark Reddy <mark.l.re...@gmail.com> >>>> wrote: >>>> >>>>> You are missing commitlog_sync in your cassandra.yaml. >>>>> >>>>> Are you generating your own cassandra.yaml or editing the package >>>>> default? If you are generating your own there are several configuration >>>>> options that are required and if not present, Cassandra will fail to >>>>> start. >>>>> >>>>> >>>>> Regards, >>>>> Mark >>>>> >>>>> >>>>> On 26 August 2014 11:14, Vineet Mishra <clearmido...@gmail.com> wrote: >>>>> >>>>>> Thanks Mark, >>>>>> That was indeed yaml formatting issue. >>>>>> Moreover I am getting the underlying error now, >>>>>> >>>>>> INFO 15:33:43,770 Loading settings from >>>>>> file:/home/cluster/cassandra/conf/cassandra.yaml >>>>>> INFO 15:33:44,100 Data files directories: [/var/lib/cassandra/data] >>>>>> INFO 15:33:44,101 Commit log directory: /var/lib/cassandra/commitlog >>>>>> ERROR 15:33:44,103 Fatal configuration error >>>>>> org.apache.cassandra.exceptions.ConfigurationException: Missing >>>>>> required directive CommitLogSync >>>>>> at >>>>>> org.apache.cassandra.config.DatabaseDescriptor.applyConfig(DatabaseDescriptor.java:147) >>>>>> at >>>>>> org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescriptor.java:111) >>>>>> at >>>>>> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:156) >>>>>> at >>>>>> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:496) >>>>>> at >>>>>> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:585) >>>>>> Missing required directive CommitLogSync >>>>>> Fatal configuration error; unable to start. See log for stacktrace. >>>>>> >>>>>> Do you have any idea about this. >>>>>> >>>>>> Thanks! >>>>>> >>>>>> >>>>>> On Tue, Aug 26, 2014 at 3:07 PM, Mark Reddy <mark.l.re...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> It is telling you that your yaml is invalid, from looking at the >>>>>>> snippet you have provided it looks like the seed_provider.parameters is >>>>>>> not >>>>>>> correctly indented, it should look something like: >>>>>>> >>>>>>> seed_provider: >>>>>>> - class_name: org.apache.cassandra.locator.SimpleSeedProvider >>>>>>> parameters: >>>>>>> - seeds: "192.168.1.32" >>>>>>> >>>>>>> >>>>>>> Regards, >>>>>>> Mark >>>>>>> >>>>>>> >>>>>>> On 26 August 2014 08:12, Vineet Mishra <clearmido...@gmail.com> >>>>>>> wrote: >>>>>>> >>>>>>>> >>>>>>>> Hi All, >>>>>>>> >>>>>>>> I am installing Cassandra Multinode Setup on a 4 node CentOs >>>>>>>> Cluster, my cassandra.yaml looks like so >>>>>>>> >>>>>>>> cluster_name: 'node' >>>>>>>> initial_token: 0 >>>>>>>> num_tokens: 256 >>>>>>>> seed_provider: >>>>>>>> - class_name: org.apache.cassandra.locator.SimpleSeedProvider >>>>>>>> parameters: >>>>>>>> - seeds: "192.168.1.32" >>>>>>>> listen_address: 192.168.1.32 >>>>>>>> rpc_address: 0.0.0.0 >>>>>>>> endpoint_snitch: RackInferringSnitch >>>>>>>> >>>>>>>> Similarly cassandra.yaml for second node >>>>>>>> >>>>>>>> cluster_name: 'node' >>>>>>>> initial_token: 2305843009213693952 >>>>>>>> num_tokens: 256 >>>>>>>> seed_provider: >>>>>>>> - class_name: org.apache.cassandra.locator.SimpleSeedProvider >>>>>>>> parameters: >>>>>>>> - seeds: "192.168.1.32" >>>>>>>> listen_address: 192.168.1.36 >>>>>>>> rpc_address: 0.0.0.0 >>>>>>>> endpoint_snitch: RackInferringSnitch >>>>>>>> >>>>>>>> and so on. . . >>>>>>>> >>>>>>>> While trying to start the Server running on the Seed >>>>>>>> node(192.168.1.32) it throws this nasty exception and didn't start, >>>>>>>> >>>>>>>> >>>>>>>> -bash-4.1$ sudo bin/cassandra >>>>>>>> >>>>>>>> -bash-4.1$ INFO 12:19:46,653 Logging initialized >>>>>>>> INFO 12:19:46,688 Loading settings from >>>>>>>> file:/home/cluster/cassandra/conf/cassandra.yaml >>>>>>>> ERROR 12:19:46,985 Fatal configuration error >>>>>>>> org.apache.cassandra.exceptions.ConfigurationException: Invalid yaml >>>>>>>> at >>>>>>>> org.apache.cassandra.config.YamlConfigurationLoader.loadConfig(YamlConfigurationLoader.java:100) >>>>>>>> at >>>>>>>> org.apache.cassandra.config.DatabaseDescriptor.loadConfig(DatabaseDescriptor.java:135) >>>>>>>> at >>>>>>>> org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescriptor.java:111) >>>>>>>> at >>>>>>>> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:156) >>>>>>>> at >>>>>>>> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:496) >>>>>>>> at >>>>>>>> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:585) >>>>>>>> Caused by: Can't construct a java object for >>>>>>>> tag:yaml.org,2002:org.apache.cassandra.config.Config; >>>>>>>> exception=Cannot create property=seed_provider for >>>>>>>> JavaBean=org.apache.cassandra.config.Config@676c6370; >>>>>>>> java.lang.reflect.InvocationTargetException >>>>>>>> in 'reader', line 1, column 1: >>>>>>>> cluster_name: 'pcross' >>>>>>>> ^ >>>>>>>> >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:333) >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:182) >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument(BaseConstructor.java:141) >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:127) >>>>>>>> at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:481) >>>>>>>> at org.yaml.snakeyaml.Yaml.loadAs(Yaml.java:475) >>>>>>>> at >>>>>>>> org.apache.cassandra.config.YamlConfigurationLoader.loadConfig(YamlConfigurationLoader.java:93) >>>>>>>> ... 5 more >>>>>>>> Caused by: org.yaml.snakeyaml.error.YAMLException: Cannot create >>>>>>>> property=seed_provider for >>>>>>>> JavaBean=org.apache.cassandra.config.Config@676c6370; >>>>>>>> java.lang.reflect.InvocationTargetException >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2ndStep(Constructor.java:299) >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct(Constructor.java:189) >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:331) >>>>>>>> ... 11 more >>>>>>>> Caused by: org.yaml.snakeyaml.error.YAMLException: >>>>>>>> java.lang.reflect.InvocationTargetException >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructSequence.construct(Constructor.java:542) >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:182) >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2ndStep(Constructor.java:296) >>>>>>>> ... 13 more >>>>>>>> Caused by: java.lang.reflect.InvocationTargetException >>>>>>>> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native >>>>>>>> Method) >>>>>>>> at >>>>>>>> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) >>>>>>>> at >>>>>>>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) >>>>>>>> at java.lang.reflect.Constructor.newInstance(Constructor.java:526) >>>>>>>> at >>>>>>>> org.yaml.snakeyaml.constructor.Constructor$ConstructSequence.construct(Constructor.java:540) >>>>>>>> ... 15 more >>>>>>>> Caused by: java.lang.NullPointerException >>>>>>>> at >>>>>>>> org.apache.cassandra.config.SeedProviderDef.<init>(SeedProviderDef.java:33) >>>>>>>> ... 20 more >>>>>>>> Invalid yaml >>>>>>>> >>>>>>>> >>>>>>>> I am not sure exactly whats making it to throw NullPointer and halt >>>>>>>> the process. >>>>>>>> >>>>>>>> Expert Advice would be appreciated! >>>>>>>> URGENT! >>>>>>>> >>>>>>>> Thanks! >>>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> > > > -- > Patricia Gorla > @patriciagorla > > Consultant > Apache Cassandra Consulting > http://www.thelastpickle.com <http://thelastpickle.com> >
