Question

我遵循了Datastax指南（https://docs.datastax.com/en/archived/cassandra/2.2/cassandra/configuration/secureJmxAuthentication.html）在AWS EC2实例的C * 2.2节点上启用远程jmx连接。

关于配置的一切看起来都不错，但是一旦我将LOCAL_JMX变量设置为“ no”，cassandra进程就不再启动。

当我执行卡桑德拉状态时，我得到了失败的信息：

● cassandra.service - LSB: distributed storage system for structured data
   Loaded: loaded (/etc/init.d/cassandra; bad; vendor preset: enabled)
   Active: active (exited) since Thu 2019-05-09 11:17:23 UTC; 2min 53s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 2750 ExecStop=/etc/init.d/cassandra stop (code=exited, status=0/SUCCESS)
  Process: 2759 ExecStart=/etc/init.d/cassandra start (code=exited, status=0/SUCCESS)

May 09 11:17:23 ip-172-31-26-31 systemd[1]: Starting LSB: distributed storage system for structured data...
May 09 11:17:23 ip-172-31-26-31 systemd[1]: Started LSB: distributed storage system for structured data.

然后我检查了/ var / logs / cassandra system.log和debug.log，但是不幸的是，在其中一个文件中没有新的日志条目。我只看到旧的日志条目。当我切换回LOCAL_JMX = yes时，cassandra启动，并且可以看到日志条目。但是当失败时，我看不到任何日志条目。

如果没有日志条目，您是否知道如何解决该问题？

其他信息：

cassandra-env.sh

LOCAL_JMX="no"

if [ "x$LOCAL_JMX" = "x" ]; then
    LOCAL_JMX=yes
fi

if [ "$LOCAL_JMX" = "yes" ]; then
  JVM_OPTS="$JVM_OPTS -Dcassandra.jmx.local.port=$JMX_PORT -XX:+DisableExplicitGC"
else
  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.port=$JMX_PORT"
  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.rmi.port=$JMX_PORT"
  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.ssl=false"
  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.authenticate=true"
  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.password.file=/etc/cassandra/jmxremote.password"
  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.access.file=/etc/cassandra/jmxremote.access"
#  JVM_OPTS="$JVM_OPTS -Djavax.net.ssl.keyStore=/path/to/keystore"
#  JVM_OPTS="$JVM_OPTS -Djavax.net.ssl.keyStorePassword=<keystore-password>"
#  JVM_OPTS="$JVM_OPTS -Djavax.net.ssl.trustStore=/path/to/truststore"
#  JVM_OPTS="$JVM_OPTS -Djavax.net.ssl.trustStorePassword=<truststore-password>"
#  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.ssl.need.client.auth=true"
#  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.registry.ssl=true"
#  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.ssl.enabled.protocols=<enabled-protocols>"
#  JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.ssl.enabled.cipher.suites=<enabled-cipher-suites>"
fi

jmxremote.password：

monitorRole  QED
controlRole   R&D
cassandra cassandra

jmxremote.access：

cassandra readwrite
controlRole readwrite \
create javax.management.monitor.,javax.management.timer. \
unregister

chmod 400

-r-------- 1 cassandra cassandra   114 May  8 15:13 jmxremote.access
-r-------- 1 cassandra cassandra  2871 May  8 14:33 jmxremote.password

启用远程JMX连接后，Cassandra无法启动

0 个答案: