Re: Digest for ptgram24@googlegroups.com - 5 updates in 2 topics

[Lal Mani Kashyap]

WARNING: Supplied DOM uses namespaces, but is not created as namespace-aware

I am getting this warning and using only regular expression extractor and JMeter-plugin xml formatter in script. Not using Xpath extractor.

Please help me how I can remove this warning in JMeter v5.6.2 .

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From: ptgr...@googlegroups.com <ptgr...@googlegroups.com>
Sent: 13 June 2024 18:43
To: Digest recipients <ptgr...@googlegroups.com>
Subject: Digest for ptgr...@googlegroups.com - 5 updates in 2 topics

 

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• high memory usage - 3 Updates
• WebSocket request-response Samplers Failed - 2 Updates

high memory usage

prabhakar singireddy <prabha.mu...@gmail.com>: Jun 12 09:48AM -0700 Hi team, I am using the nongui mode of testing with the help of master and while executing it threw out of memory exception and heap memory issue but is solved after giving more heap size.   the main issue here is the memory usage is crossing above 90% even when tried to run in local machine but still it is the same issue,   pls tell me if there is any way to solve this issue.   note: heap setting if not defined HEAP ( rem See the unix startup file for the rationale of the following parameters, rem including some tuning recommendations set HEAP=-Xms21g -Xmx21g -XX:MaxMetaspaceSize=256m ) thanks & Regards, Prabhakar S.

prabhakar singireddy <prabha.mu...@gmail.com>: Jun 13 03:19AM -0700 Hi,   there are more heap files(.hprofs) getting generated, and the same script is working fine with out any issue in memory and heaps. the configuration used in other machine is if not defined HEAP ( rem See the unix startup file for the rationale of the following parameters, rem including some tuning recommendations set HEAP=-Xms10g -Xmx10g -XX:MaxMetaspaceSize=256m ) Thanks.   On Wednesday, June 12, 2024 at 10:18:30 PM UTC+5:30 prabhakar singireddy wrote:

DT <gli...@gmail.com>: Jun 13 03:44AM -0700 OutOfMemoryError <https://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/memleaks002.html> Exception has many possible reasons and each particular occurrence requires its own workaround or tuning on JMeter and/or operating system level   Yes, in the majority of cases it's lack of JVM Heap space, but it can also be something connected with impossibility to allocate native memory due to operating system limitations. So you need to inspect this .hprof file and get to the bottom of the issue.   JMeter-only solution would be getting either more powerful machine or another machine of the same specifications and running JMeter in distributed mode <https://www.blazemeter.com/blog/distributed-testing-in-jmeter>. In both cases make sure to follow JMeter Best Practices <https://jmeter.apache.org/usermanual/best-practices.html>   Also having large heap is not always a good idea, garbage collections <https://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html> will occur less often but will take more time resulting in "chainsaw" load pattern   On Thursday, June 13, 2024 at 12:19:30 PM UTC+2 prabha.mu...@gmail.com wrote:

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WebSocket request-response Samplers Failed

Sachin Sinkar <sachin....@gmail.com>: Jun 13 03:01AM -0700 Hi Team,     I have created a test plan for load testing a websocket based GPT chatbot. I have set ramp-up period of 400 sec the test plan works well for 100 threads with no error but when I increased to 500 threads the WebSocket request-response Samplers fails, it gives me below error.   Response code:Sampler error Response message:Sampler error: java.lang.ClassCastException: class eu.luminis.websocket.PingFrame cannot be cast to class eu.luminis.websocket.DataFrame (eu.luminis.websocket.PingFrame and eu.luminis.websocket.DataFrame are in unnamed module of loader org.apache.jmeter.DynamicClassLoader @548c4f57)     [image: plan.png]   [image: result.png]   Will you please suggest me a solution for the above error.

DT <gli...@gmail.com>: Jun 13 03:40AM -0700 It might indicate one of the following:   - The system under test is overloaded can cannot respond with a proper WebSocket frame, it indicates defect connected with concurrency - JMeter is overloaded and cannot properly parse responses/build requests. In this case make sure to follow JMeter Best Practices <https://jmeter.apache.org/usermanual/best-practices.html> and if the issue still remains - consider finding another load generator machine and run JMeter in distributed mode <https://www.blazemeter.com/blog/distributed-testing-in-jmeter>

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