I am running JMeter over an application and after about an hour of ten
threads making relatively inconsequential requests, I am starting to notice
many threads waiting on monitors and thread dumps that point to line 63 of
AnnotationActionValidatorManager.
public synchronized List<Validator> getValidators(Class clazz, String
context, String method) {
final String validatorKey = buildValidatorKey(clazz, context);
if (validatorCache.containsKey(validatorKey)) {
if (FileManager.isReloadingConfigs()) {
validatorCache.put(validatorKey,
buildValidatorConfigs(clazz, context, true, null));
}
} else {
validatorCache.put(validatorKey, buildValidatorConfigs(clazz,
context, false, null));
}
================
PARTIAL THREAD DUMP
================
"http-8080-9" daemon prio=6 tid=0x1dd9c400 nid=0x105c waiting for monitor
entry [0x1eefb000..0x1eeffbe8]
java.lang.Thread.State: BLOCKED (on object monitor)
at
com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.getValidators(AnnotationActionValidatorManager.java:63)
- waiting to lock <0x0c0d9248> (a
com.opensymphony.xwork2.validator.AnnotationActionValidatorManager)
at
com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.validate(AnnotationActionValidatorManager.java:109)
at
com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.validate(AnnotationActionValidatorManager.java:101)
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