我们已经在两个不同的服务器上安装了Cassandra和Sails.js。我已经在Sails.js中安装了sails-cassandra软件包，并使用Cassandra IP地址进行了设置。
connections: {
someCassandraServer: {
contactPoints: ["X.X.X.X"],
user: 'cassandra', //optional
password: 'cassandra', //optional
keyspace: 'testkeyspace'
}
},
我们正在尝试运行sails lift，但在下面显示错误代码：
信息：正在启动应用程序...
/doowdle/backend/node_modules/cassandra-store/lib/CassandraStore.js:45抛出错误; ^错误：所有尝试查询的主机均失败。第一个尝试过的主机，X.X.X.X：9042：错误：连接ECONNREFUSED X.X.X.X：9042。参见innerErrors。
cassandra.yaml文件中是否缺少任何内容？
运行./cassandra时，得到以下输出：
owner@STS-YYC-UBUNTU:/etc/apache-cassandra-2.2.12/bin$ ./cassandra
owner@STS-YYC-UBUNTU:/etc/apache-cassandra-2.2.12/bin$
CompilerOracle: inline org/apache/cassandra/db/AbstractNativeCell.compareTo (Lorg/apache/cassandra/db/composites/Composite;)I
CompilerOracle: inline org/apache/cassandra/db/composites/AbstractSimpleCellNameType.compareUnsigned (Lorg/apache/cassandra/db/composites/Composite;Lorg/apache/cassandra/db/composites/Composite;)I
CompilerOracle: inline org/apache/cassandra/io/util/Memory.checkBounds (JJ)V
CompilerOracle: inline org/apache/cassandra/io/util/SafeMemory.checkBounds (JJ)V
CompilerOracle: inline org/apache/cassandra/utils/AsymmetricOrdering.selectBoundary (Lorg/apache/cassandra/utils/AsymmetricOrdering/Op;II)I
CompilerOracle: inline org/apache/cassandra/utils/AsymmetricOrdering.strictnessOfLessThan (Lorg/apache/cassandra/utils/AsymmetricOrdering/Op;)I
CompilerOracle: inline org/apache/cassandra/utils/ByteBufferUtil.compare (Ljava/nio/ByteBuffer;[B)I
CompilerOracle: inline org/apache/cassandra/utils/ByteBufferUtil.compare ([BLjava/nio/ByteBuffer;)I
CompilerOracle: inline org/apache/cassandra/utils/ByteBufferUtil.compareUnsigned (Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)I
CompilerOracle: inline org/apache/cassandra/utils/FastByteOperations$UnsafeOperations.compareTo (Ljava/lang/Object;JILjava/lang/Object;JI)I
CompilerOracle: inline org/apache/cassandra/utils/FastByteOperations$UnsafeOperations.compareTo (Ljava/lang/Object;JILjava/nio/ByteBuffer;)I
CompilerOracle: inline org/apache/cassandra/utils/FastByteOperations$UnsafeOperations.compareTo (Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)I
Exception (org.apache.cassandra.exceptions.ConfigurationException) encountered during startup: Invalid yaml.
Please remove properties [credentials_validity_in_ms, enable_scripted_user_defined_functions, column_index_cache_size_in_kb, back_pressure_enabled,
enable_materialized_views, cdc_enabled, prepared_statements_cache_size_mb, back_pressure_strategy, concurrent_materialized_view_writes,
transparent_data_encryption_options, thrift_prepared_statements_cache_size_mb, slow_query_log_timeout_in_ms, hints_flush_period_in_ms,
max_hints_file_size_in_mb] from your cassandra.yaml org.apache.cassandra.exceptions.ConfigurationException: Invalid yaml.
Please remove properties [credentials_validity_in_ms, enable_scripted_user_defined_functions, column_index_cache_size_in_kb, back_pressure_enabled,
enable_materialized_views, cdc_enabled, prepared_statements_cache_size_mb, back_pressure_strategy, concurrent_materialized_view_writes,
transparent_data_encryption_options, thrift_prepared_statements_cache_size_mb, slow_query_log_timeout_in_ms, hints_flush_period_in_ms,
max_hints_file_size_in_mb] from your cassandra.yaml
at org.apache.cassandra.config.YamlConfigurationLoader$MissingPropertiesChecker.check(YamlConfigurationLoader.java:146)
at org.apache.cassandra.config.YamlConfigurationLoader.loadConfig(YamlConfigurationLoader.java:113)
at org.apache.cassandra.config.YamlConfigurationLoader.loadConfig(YamlConfigurationLoader.java:85)
at org.apache.cassandra.config.DatabaseDescriptor.loadConfig(DatabaseDescriptor.java:149)
at org.apache.cassandra.config.DatabaseDescriptor.(DatabaseDescriptor.java:133)
at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:507)
at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:642)
ERROR 03:26:04 Exception encountered during startup org.apache.cassandra.exceptions.ConfigurationException: Invalid yaml.
Please remove properties [credentials_validity_in_ms, enable_scripted_user_defined_functions, column_index_cache_size_in_kb, back_pressure_enabled,
enable_materialized_views, cdc_enabled, prepared_statements_cache_size_mb, back_pressure_strategy, concurrent_materialized_view_writes,
transparent_data_encryption_options, thrift_prepared_statements_cache_size_mb, slow_query_log_timeout_in_ms, hints_flush_period_in_ms,
max_hints_file_size_in_mb] from your cassandra.yaml
at org.apache.cassandra.config.YamlConfigurationLoader$MissingPropertiesChecker.check(YamlConfigurationLoader.java:146) ~[apache-cassandra-2.2.12.jar:2.2.12]
at org.apache.cassandra.config.YamlConfigurationLoader.loadConfig(YamlConfigurationLoader.java:113) ~[apache-cassandra-2.2.12.jar:2.2.12]
at org.apache.cassandra.config.YamlConfigurationLoader.loadConfig(YamlConfigurationLoader.java:85) ~[apache-cassandra-2.2.12.jar:2.2.12]
at org.apache.cassandra.config.DatabaseDescriptor.loadConfig(DatabaseDescriptor.java:149) ~[apache-cassandra-2.2.12.jar:2.2.12]
at org.apache.cassandra.config.DatabaseDescriptor.(DatabaseDescriptor.java:133) ~[apache-cassandra-2.2.12.jar:2.2.12]
at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:507) [apache-cassandra-2.2.12.jar:2.2.12]
at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:642) [apache-cassandra-2.2.12.jar:2.2.12]
有什么想法吗？
答案 0 :(得分：0)
您似乎在使用新版Cassandra中的cassandra.yaml，或者在配置它时出错。查看消息：
无效的Yaml。请删除性能：[credentials_validity_in_ms，enable_scripted_user_defined_functions，column_index_cache_size_in_kb，back_pressure_enabled，enable_materialized_views，cdc_enabled，prepared_statements_cache_size_mb，back_pressure_strategy，concurrent_materialized_view_writes，transparent_data_encryption_options，thrift_prepared_statements_cache_size_mb，slow_query_log_timeout_in_ms，hints_flush_period_in_ms，max_hints_file_size_in_mb]
我建议从您的发行版（Cassandra 2.2.12）中获取库存cassandra.yaml，并仅修改必要的参数-cluster_name，listen_address等，然后再次启动Cassandra。 / p>
或者使用最新的Cassandra（3.11.3）并使用它。
P.S。我刚刚检查过-back_pressure_enabled SO post ...