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過程中遇到異常當啓動卡桑德拉我得到以下錯誤：卡桑德拉啓動失敗，出現異常：啓動
INFO 15:31:15 Completed flushing /home/sandeep/bck_up/data/cassandra/data/system/local-7ad54392bcdd35a684174e047860b377/system-local-tmp-ka-15-Data.db (0.000KiB) for commitlog position ReplayPosition(segmentId=1446651072594, position=106127)
INFO 15:31:15 Node localhost/127.0.0.1 state jump to normal
INFO 15:31:15 Netty using native Epoll event loop
ERROR 15:31:15 Exception encountered during startup
java.lang.NullPointerException: null
at org.apache.cassandra.transport.Server.run(Server.java:171) ~[apache-cassandra-2.1.11.jar:2.1.11]
at org.apache.cassandra.transport.Server.start(Server.java:117) ~[apache-cassandra-2.1.11.jar:2.1.11]
at org.apache.cassandra.service.CassandraDaemon.start(CassandraDaemon.java:492) [apache-cassandra-2.1.11.jar:2.1.11]
at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:575) [apache-cassandra-2.1.11.jar:2.1.11]
at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:651) [apache-cassandra-2.1.11.jar:2.1.11]
java.lang.NullPointerException
at org.apache.cassandra.transport.Server.run(Server.java:171)
at org.apache.cassandra.transport.Server.start(Server.java:117)
at org.apache.cassandra.service.CassandraDaemon.start(CassandraDaemon.java:492)
at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:575)
at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:651)
Exception encountered during startup: null
INFO 15:31:15 Announcing shutdown
INFO 15:31:15 Node localhost/127.0.0.1 state jump to normal
INFO 15:31:17 Waiting for messaging service to quiesce
INFO 15:31:17 MessagingService has terminated the accept() thread
++++++ 下面是我的配置文件：
num_tokens: 256
hinted_handoff_enabled: true
max_hint_window_in_ms: 10800000 # 3 hours
hinted_handoff_throttle_in_kb: 1024
max_hints_delivery_threads: 2
batchlog_replay_throttle_in_kb: 1024
authenticator: AllowAllAuthenticator
authorizer: AllowAllAuthorizer
permissions_validity_in_ms: 2000
partitioner: org.apache.cassandra.dht.Murmur3Partitioner
data_file_directories:
- /home/sandeep/bck_up/data/cassandra/data
# commitlog_directory: /var/lib/cassandra/commitlog
commitlog_directory: /home/sandeep/bck_up/data/cassandra/commit_logs
disk_failure_policy: stop
commit_failure_policy: stop
key_cache_size_in_mb:
key_cache_save_period: 14400
row_cache_size_in_mb: 0
row_cache_save_period: 0
counter_cache_size_in_mb:
counter_cache_save_period: 7200
saved_caches_directory: /home/sandeep/bck_up/data/cassandra/saved_caches
commitlog_sync: periodic
commitlog_sync_period_in_ms: 10000
commitlog_segment_size_in_mb: 32
seed_provider:
# Addresses of hosts that are deemed contact points.
# Cassandra nodes use this list of hosts to find each other and learn
# the topology of the ring. You must change this if you are running
# multiple nodes!
- class_name: org.apache.cassandra.locator.SimpleSeedProvider
parameters:
# seeds is actually a comma-delimited list of addresses.
# Ex: "<ip1>,<ip2>,<ip3>"
- seeds: "127.0.0.1"
concurrent_reads: 32
concurrent_writes: 32
concurrent_counter_writes: 32
memtable_allocation_type: heap_buffers
index_summary_capacity_in_mb:
index_summary_resize_interval_in_minutes: 60
trickle_fsync: false
trickle_fsync_interval_in_kb: 10240
storage_port: 7000
ssl_storage_port: 7001
listen_address: localhost
start_native_transport: true
native_transport_port: 9042
start_rpc: true
rpc_address: localhost
# port for Thrift to listen for clients on
rpc_port: 9160
rpc_keepalive: true
rpc_server_type: sync
thrift_framed_transport_size_in_mb: 15
incremental_backups: false
snapshot_before_compaction: false
auto_snapshot: true
tombstone_warn_threshold: 1000
tombstone_failure_threshold: 100000
column_index_size_in_kb: 64
batch_size_warn_threshold_in_kb: 5
compaction_throughput_mb_per_sec: 16
compaction_large_partition_warning_threshold_mb: 100
sstable_preemptive_open_interval_in_mb: 50
read_request_timeout_in_ms: 5000
range_request_timeout_in_ms: 10000
write_request_timeout_in_ms: 2000
counter_write_request_timeout_in_ms: 5000
cas_contention_timeout_in_ms: 1000
truncate_request_timeout_in_ms: 60000
request_timeout_in_ms: 10000
cross_node_timeout: false
endpoint_snitch: SimpleSnitch
dynamic_snitch_update_interval_in_ms: 100
dynamic_snitch_reset_interval_in_ms: 600000
dynamic_snitch_badness_threshold: 0.1
request_scheduler: org.apache.cassandra.scheduler.NoScheduler
#server_encryption_options:
#internode_encryption: none
#keystore: conf/.keystore
#keystore_password: cassandra
#truststore: conf/.truststore
#truststore_password: cassandra
# More advanced defaults below:
# protocol: TLS
# algorithm: SunX509
# store_type: JKS
# cipher_suites: [TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA,TLS_DHE_RSA_WITH_AES_128_CBC_SHA,TLS_DHE_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA]
# require_client_auth: false
# enable or disable client/server encryption.
client_encryption_options:
#enabled: false
#keystore: conf/.keystore
#keystore_password: cassandra
# require_client_auth: false
# Set trustore and truststore_password if require_client_auth is true
# truststore: conf/.truststore
# truststore_password: cassandra
# More advanced defaults below:
# protocol: TLS
# algorithm: SunX509
# store_type: JKS
# cipher_suites: [TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA,TLS_DHE_RSA_WITH_AES_128_CBC_SHA,TLS_DHE_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA]
internode_compression: all
inter_dc_tcp_nodelay: false
+ +++
有人可以幫我解決設置有什麼問題。我已經在Fedora-16 64位上安裝了cassandra 2.1。 Java版本是：Java版本「1.8.0_60」
打開一個bug報告，你可以使下「client_encryption_options」中的「啓用」選項，看看是否還是失敗，請。如在：啓用：false而不是#enabled：false – mikea