Set log4j levels via Jolokia

readme.md

$ http ':7777/jolokia/write/org.apache.logging.log4j2:component=Loggers,name=io.opentelemetry,type=251a69d7/Level/INFO'
HTTP/1.1 200 OK

{
    "request": {
        "attribute": "Level",
        "mbean": "org.apache.logging.log4j2:component=Loggers,name=io.opentelemetry,type=251a69d7",
        "type": "write",
        "value": "INFO"
    },
    "status": 200,
    "timestamp": 1643467316,
    "value": "TRACE"
}

$ http ':7777/jolokia/read/org.apache.logging.log4j2:component=Loggers,name=io.opentelemetry,type=251a69d7/Level'      
HTTP/1.1 200 OK

{
    "request": {
        "attribute": "Level",
        "mbean": "org.apache.logging.log4j2:component=Loggers,name=io.opentelemetry,type=251a69d7",
        "type": "read"
    },
    "status": 200,
    "timestamp": 1643467330,
    "value": "INFO"
}