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Process JMX beans with an ArrayList value #580

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Process JMX beans with an ArrayList value #580

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f983cd5
Catch exception so exporter works on Ignite 2.8+
sdarlington Jan 13, 2021
3f1ef99
Process JMX beans with an ArrayList value by returning the size of th…
sdarlington Feb 4, 2021
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23 changes: 14 additions & 9 deletions collector/src/main/java/io/prometheus/jmx/JmxScraper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,14 +20,7 @@
import javax.rmi.ssl.SslRMIClientSocketFactory;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;

Expand Down Expand Up @@ -157,7 +150,7 @@ private void scrapeBean(MBeanServerConnection beanConn, ObjectName mbeanName) {
logScrape(mbeanName, name2AttrInfo.keySet(), "Fail: " + e);
return;
}
for (Object attributeObj : attributes.asList()) {
for (Object attributeObj : attributes) {
if (Attribute.class.isInstance(attributeObj)) {
Attribute attribute = (Attribute)(attributeObj);
MBeanAttributeInfo attr = name2AttrInfo.get(attribute.getName());
Expand Down Expand Up @@ -282,6 +275,18 @@ private void processBeanValue(
}
} else if (value.getClass().isArray()) {
logScrape(domain, "arrays are unsupported");
} else if (value instanceof ArrayList<?>) {
// We can't output a list of values here, so instead let's send the count of entries
ArrayList<?> list = (ArrayList<?>)value;
logScrape(domain + beanProperties + attrName, String.valueOf(list.size()));
this.receiver.recordBean(
domain,
beanProperties,
attrKeys,
attrName,
attrType,
attrDescription,
list.size());
} else {
logScrape(domain + beanProperties, attrType + " is not exported");
}
Expand Down