unable to run prometheus on windows 10 for Cassandra [duplicate]

问题

I am following this tutorial to run Prometheus on Windows10. The tutorial is for linux. I suppose the only command I need to change is for powershell. However, when I try to access the metrics, the application doesn't connect.

https://www.robustperception.io/monitoring-cassandra-with-prometheus

Instead of echo 'JVM_OPTS="$JVM_OPTS -javaagent:'$PWD/jmx_prometheus_javaagent-0.3.0.jar=7070:$PWD/cassandra.yml'"' >> conf/cassandra-env.sh, I have added the following line in the cassandra-env.ps1

    # Default JMX setup, bound to local loopback address only
    $env:JVM_OPTS="$env:JVM_OPTS -Dcassandra.jmx.local.port=$JMX_PORT"
    $env:JVM_OPTS="$env:JVM_OPTS -javaagent:'$PWD/jmx_prometheus_javaagent-0.3.0.jar=7070:$PWD/cassandra.yml'"' <-- HERE

    $env:JVM_OPTS="$env:JVM_OPTS $env:JVM_EXTRA_OPTS"
}

but http://localhost:7070/metrics doesn't work

UPDATE Now, I have removed the changes from .sh. and ps1 and add the javaagent only in bin/cassanbra.bat file as it seems that is what is required in Windows

https://docs.appdynamics.com/display/PRO45/Apache+Cassandra+Startup+Settings

But Now I get error

Exception in thread "main" 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:498)
        at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:386)
        at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:401)
Caused by: java.lang.NumberFormatException: For input string: "C"
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
        at java.lang.Integer.parseInt(Integer.java:580)
        at java.lang.Integer.parseInt(Integer.java:615)
        at io.prometheus.jmx.shaded.io.prometheus.jmx.JavaAgent.premain(JavaAgent.java:38)
        ... 6 more
FATAL ERROR in native method: processing of -javaagent failed

回答1:

Instead of this:

$env:JVM_OPTS="$env:JVM_OPTS -javaagent:'$PWD/jmx_prometheus_javaagent-0.3.0.jar=7070:$PWD/cassandra.yml'"'

try this:

$env:JVM_OPTS="$env:JVM_OPTS -javaagent:'$PWD/jmx_prometheus_javaagent-0.3.0.jar=7070:$PWD/cassandra.yml'"

I removed a single quote from the end of the line.

来源：https://stackoverflow.com/questions/65345430/unable-to-run-prometheus-on-windows-10-for-cassandra

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windows

batch-file

cassandra

Prometheus