https://bz.apache.org/bugzilla/show_bug.cgi?id=62193
Bug ID: 62193
Summary: Parallel Requests Failing Sporadically
Product: JMeter
Version: 4.0
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: HTTP
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 35788
--> https://bz.apache.org/bugzilla/attachment.cgi?id=35788&action=edit
Parallel Requests failed samplers.
Getting the following error for parallel requests made concurrently. Does not
happen every time, just sporadically. I have attached a few screenshots which
show that the particular sampler that fails in the parallel request is random
and it is the same case for parallel requests in other transactions as well.
The call that fails in the parallel requests is always random as can be seen in
the attached screenshot.
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
at java.util.ArrayList$Itr.remove(Unknown Source)
at
org.apache.jmeter.testelement.property.PropertyIteratorImpl.remove(PropertyIteratorImpl.java:47)
at
org.apache.jmeter.protocol.http.control.CookieManager.removeMatchingCookies(CookieManager.java:393)
at
org.apache.jmeter.protocol.http.control.CookieManager.add(CookieManager.java:293)
at
org.apache.jmeter.protocol.http.control.HC4CookieHandler.addCookieFromHeader(HC4CookieHandler.java:155)
at
org.apache.jmeter.protocol.http.control.CookieManager.addCookieFromHeader(CookieManager.java:361)
at
org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.saveConnectionCookies(HTTPHC4Impl.java:1583)
at
org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:528)
at
org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:74)
at
org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1189)
at
org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1178)
at
org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:490)
at
org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:416)
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:250)
at
com.blazemeter.jmeter.controller.JMeterThreadParallel.run(JMeterThreadParallel.java:60)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
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