FW: Help with new installation for OpenNMS 21.1.0

Hi OpenNMS gurus,

I have been evaluating a number of network managament systems for a while to manage about 2000 routers/switches.
I installed OpenNMS horizton 21.1.0 last week and I really like it what I have seen so far.

I installed it on a VM with (32 cores, 32 GB of RAM and a SSD backed file system). The VM is running ubuntu 18.04.
I had trouble installing cassandra 3.0.x from datastax.com, so I install cassandra 3.0.x from package directly from apache.org.
The subsequent OpenNMS appears to work.  Here are some of the system information.

OpenNMS Version:        21.1.0
Home Directory:         /usr/share/opennms
RRD store by group enabled?     False
RRD store by foreign source enabled?    True
Reports directory:   /var/lib/opennms/reports
Jetty HTTP host:     Unspecified
Jetty HTTP port:     8980
Jetty HTTPS host:    Unspecified
Jetty HTTPS port:    Unspecified
SNMP trap port:      162
Syslog port:         10514

Server Time:         Mon May 21 09:08:51 PDT 2018
Client Time:         Mon May 21 2018 09:08:51 GMT-0700 (PDT)
Java Version:        1.8.0_171 Oracle Corporation
Java Virtual Machine:          25.171-b11 Oracle Corporation
Operating System:              Linux 4.15.0-20-generic (amd64)
Servlet Container:             jetty/9.4.2.v20170220 (Servlet Spec 3.1)

I have provisioned about 160 nodes (mostly routers). The "SNMP interfaces" for many routers have not being found for those routers. I wonder if I can force it to detect the interface.

In the provisiond log file, there are regular warning about:

2018-05-21 10:03:36,131 WARN  [pool-27-thread-61] o.o.n.j.c.PasswordStrategy: PasswordStrategy is STANDARD but credentials are provided. Using PASSWORD_CLEAR instead.

I don't know where I should modify the configuration to get rid of this warning.

There are also regular warnings about and I would love to get some tips to properly tune the OpenNMS systems.

2018-05-21 10:07:28,035 WARN  [scanExecutor-8] o.a.c.p.PhaseInterceptorChain: Interceptor for {http://cxf.wsman.core.opennms.org/}Identi
fyOperationsService#{http://cxf.wsman.core.opennms.org/}Identify has thrown exception, unwinding now
org.apache.cxf.binding.soap.SoapFault: Error writing to XMLStreamWriter.
        at org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:317
) ~[cxf-rt-bindings-soap-3.1.11.jar:3.1.11]
        at org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:293
) ~[cxf-rt-bindings-soap-3.1.11.jar:3.1.11]
        at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [cxf-core-3.1.11.jar:3.1.11]
        at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:514) [cxf-core-3.1.11.jar:3.1.11]
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:423) [cxf-core-3.1.11.jar:3.1.11]
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:324) [cxf-core-3.1.11.jar:3.1.11]
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:277) [cxf-core-3.1.11.jar:3.1.11]
        at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:96) [cxf-rt-frontend-simple-3.1.11.jar:3.1.11]
        at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:139) [cxf-rt-frontend-jaxws-3.1.11.jar:3.1.11]
        at com.sun.proxy.$Proxy244.identify(Unknown Source) [?:?]
        at org.opennms.core.wsman.cxf.CXFWSManClient.identify(CXFWSManClient.java:152) [org.opennms.core.wsman.cxf-1.2.2.jar:?]
        at org.opennms.netmgt.provision.detector.wsman.WsManDetector.isServiceDetected(WsManDetector.java:91) [org.opennms.features.wsma
n-21.1.0.jar:?]
        at org.opennms.netmgt.provision.detector.wsman.WsManDetector.detect(WsManDetector.java:74) [org.opennms.features.wsman-21.1.0.ja
r:?]
        at org.opennms.netmgt.provision.detector.client.rpc.DetectorClientRpcModule$1.get(DetectorClientRpcModule.java:89) [opennms-dete
ctorclient-rpc-21.1.0.jar:?]
        at org.opennms.netmgt.provision.detector.client.rpc.DetectorClientRpcModule$1.get(DetectorClientRpcModule.java:85) [opennms-dete
ctorclient-rpc-21.1.0.jar:?]
        at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590) [?:1.8.0_171]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_171]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_171]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:1.8.
0_171]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:1.8.0_171]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_171]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_171]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]
Caused by: com.ctc.wstx.exc.WstxIOException: connect timed out
        at com.ctc.wstx.sw.BaseStreamWriter._finishDocument(BaseStreamWriter.java:1421) ~[woodstox-core-asl-4.4.1.jar:4.4.1]
        at com.ctc.wstx.sw.BaseStreamWriter.writeEndDocument(BaseStreamWriter.java:532) ~[woodstox-core-asl-4.4.1.jar:4.4.1]
        at org.apache.cxf.staxutils.DelegatingXMLStreamWriter.writeEndDocument(DelegatingXMLStreamWriter.java:119) ~[cxf-core-3.1.11.jar:3.1.11]
        at org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:306

        ... 22 more
Caused by: java.net.SocketTimeoutException: connect timed out
        at java.net.PlainSocketImpl.socketConnect(Native Method) ~[?:1.8.0_171]
        at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[?:1.8.0_171]
        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_171]
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_171]
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_171]
        at java.net.Socket.connect(Socket.java:589) ~[?:1.8.0_171]
        at sun.net.NetworkClient.doConnect(NetworkClient.java:175) ~[?:1.8.0_171]
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) ~[?:1.8.0_171]
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) ~[?:1.8.0_171]
        at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264) ~[?:1.8.0_171]
        at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) ~[?:1.8.0_171]
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) ~[?:1.8.0_171]
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1199) ~[?:1.8.0_171]
       at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) ~[?:1.8.0_171]
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) ~[?:1.8.0_171]
        at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334) ~[?:1.8.0_171]
        at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309) ~[?:1.8.0_171]
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:259) ~[?:1.8.0_171]
        at org.apache.cxf.transport.http.URLConnectionHTTPConduit$URLConnectionWrappedOutputStream.setupWrappedStream(URLConnectionHTTPConduit.java:273) ~[cxf-rt-transports-http-3.1.11.jar:3.1.11]
        at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleHeadersTrustCaching(HTTPConduit.java:1328) ~[cxf-rt-transports-http-3.1.11.jar:3.1.11]
        at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.onFirstWrite(HTTPConduit.java:1288) ~[cxf-rt-transports-http-3.1.11.jar:3.1.11]
        at org.apache.cxf.transport.http.URLConnectionHTTPConduit$URLConnectionWrappedOutputStream.onFirstWrite(URLConnectionHTTPConduit.java:305) ~[cxf-rt-transports-http-3.1.11.jar:3.1.11]
        at org.apache.cxf.io.AbstractWrappedOutputStream.write(AbstractWrappedOutputStream.java:47) ~[cxf-core-3.1.11.jar:3.1.11]
        at org.apache.cxf.io.AbstractThresholdOutputStream.write(AbstractThresholdOutputStream.java:69) ~[cxf-core-3.1.11.jar:3.1.11]
        at org.apache.cxf.io.CacheAndWriteOutputStream.write(CacheAndWriteOutputStream.java:80) ~[cxf-core-3.1.11.jar:3.1.11]
        at com.ctc.wstx.io.UTF8Writer.flush(UTF8Writer.java:100) ~[woodstox-core-asl-4.4.1.jar:4.4.1]
        at com.ctc.wstx.sw.BufferingXmlWriter.flush(BufferingXmlWriter.java:241) ~[woodstox-core-asl-4.4.1.jar:4.4.1]
        at com.ctc.wstx.sw.BufferingXmlWriter.close(BufferingXmlWriter.java:214) ~[woodstox-core-asl-4.4.1.jar:4.4.1]
        at com.ctc.wstx.sw.BaseStreamWriter._finishDocument(BaseStreamWriter.java:1419) ~[woodstox-core-asl-4.4.1.jar:4.4.1]
        at com.ctc.wstx.sw.BaseStreamWriter.writeEndDocument(BaseStreamWriter.java:532) ~[woodstox-core-asl-4.4.1.jar:4.4.1]
        at org.apache.cxf.staxutils.DelegatingXMLStreamWriter.writeEndDocument(DelegatingXMLStreamWriter.java:119) ~[cxf-core-3.1.11.jar:3.1.11]
        at org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:306) ~[cxf-rt-bindings-soap-3.1.11.jar:3.1.11]
        ... 22 more

Thank you.

Zhi-Wei Lu
IET-CR-Network Operations Center
University of California, Davis
(530) 752-0155

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