The newts script only works if cassandra runs on localhost

[root@onms17srv bin]# ./newts init
Initializing the 'newts' keyspaces on localhost:9042
21:46:12.193 [Main] INFO  com.datastax.driver.core.NettyUtil - Did not find Netty's native epoll transport in the classpath, defaulting to NIO.
java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.opennms.bootstrap.Bootstrap$3.run(Bootstrap.java:373)
    at java.lang.Thread.run(Thread.java:745)
Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: localhost/127.0.0.1:9042 (com.datastax.driver.core.TransportException: [localhost/127.0.0.1:9042] Cannot connect))
    at com.datastax.driver.core.ControlConnection.reconnectInternal(ControlConnection.java:223)
    at com.datastax.driver.core.ControlConnection.connect(ControlConnection.java:78)
    at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1272)
    at com.datastax.driver.core.Cluster.init(Cluster.java:158)
    at com.datastax.driver.core.Cluster.connect(Cluster.java:248)
    at org.opennms.newts.cassandra.SchemaManager.<init>(SchemaManager.java:47)
    at org.opennms.netmgt.newts.cli.Init.execute(Init.java:47)
    at org.opennms.netmgt.newts.cli.Newts.main(Newts.java:56)
    ... 6 more
[root@onms17srv bin]# grep "newts.*hostname" /opt/opennms/etc/opennms.properties 
org.opennms.newts.config.hostname=cassandrasrv01

exec "$OPENNMS_BINDIR"/runjava -r -- $JAVA_OPTIONS \
        -Dorg.opennms.newts.config.hostname=cassandrasrv01 \
        -Dopennms.home="$OPENNMS_HOME" \
        -Dlog4j.configurationFile="$OPENNMS_HOME"/etc/log4j2-tools.xml \
        -Dopennms.manager.class="$APP_CLASS" \
        -jar "$OPENNMS_HOME"/lib/opennms_bootstrap.jar \
        "$@"