我正在尝试在RHEL 6.5服务器中设置cassandra.当我启动cassandara时,我得到一个与JNA相关的错误.例外情况说找不到课程.但是,我在日志中看到jna jar被添加到类路径中.我尝试使用apache-cassandra-3.0.0和apache-cassandra-2.2.3,我在两者中都得到了相同的异常.我发现jna jar在$ CASSANDRA_HOME/lib和/ usr/share/java中都可用.安装的jna jar版本是4.0.0.任何帮助表示赞赏.以下是启动日志 -
INFO 05:57:57 Classpath: /home/cassandra-new/apache-cassandra-2.2.3/conf:/home/cassandra-new/apache-cassandra-2.2.3/build/classes/main:/home/cassandra-new/apache-cassandra-2.2.3/build/classes/thrift:/home/cassandra-new/apache-cassandra-2.2.3/lib/airline-0.6.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/antlr-runtime-3.5.2.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/apache-cassandra-2.2.3.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/apache-cassandra-clientutil-2.2.3.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/apache-cassandra-thrift-2.2.3.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/cassandra-driver-core-2.2.0-rc2-SNAPSHOT-20150617-shaded.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/commons-cli-1.1.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/commons-codec-1.2.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/commons-lang3-3.1.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/commons-math3-3.2.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/compress-lzf-0.8.4.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/concurrentlinkedhashmap-lru-1.4.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/crc32ex-0.1.1.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/disruptor-3.0.1.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/ecj-4.4.2.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/guava-16.0.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/high-scale-lib-1.0.6.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/jackson-core-asl-1.9.2.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/jackson-mapper-asl-1.9.2.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/jamm-0.3.0.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/javax.inject.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/jbcrypt-0.3m.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/jcl-over-slf4j-1.7.7.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/jna-4.0.0.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/joda-time-2.4.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/json-simple-1.1.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/libthrift-0.9.2.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/log4j-over-slf4j-1.7.7.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/logback-classic-1.1.3.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/logback-core-1.1.3.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/lz4-1.3.0.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/metrics-core-3.1.0.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/metrics-logback-3.1.0.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/netty-all-4.0.23.Final.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/ohc-core-0.3.4.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/ohc-core-j8-0.3.4.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/reporter-config3-3.0.0.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/reporter-config-base-3.0.0.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/sigar-1.6.4.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/slf4j-api-1.7.7.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/snakeyaml-1.11.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/snappy-java-1.1.1.7.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/ST4-4.0.8.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/stream-2.5.2.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/super-csv-2.1.0.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/thrift-server-0.3.7.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/jsr223//.jar:/home/cassandra-new/apache-cassandra-2.2.3/lib/jamm-0.3.0.jar
WARN 05:57:57 JNA link failure, one or more native method will be unavailable.
WARN 05:57:57 JMX is not enabled to receive remote connections. Please see cassandra-env.sh for more info.
INFO 05:57:57 Initializing SIGAR library
WARN 05:57:57 Cassandra server running in degraded mode. Is swap disabled? : false, Address space adequate? : true, nofile limit adequate? : false, nproc limit adequate? : true
INFO 05:57:58 Initializing system.sstable_activity …