import org. You can loop through the returned table, by using a FOREACH controller, referencing the variable name in the reg ex. Convert your variables into properties using __setProperty () function and execute them in parallel in another Thread Group using: __P () function to read the value (s) from JMeter Properties set by the previous Thread Group. JMeter提供了多种逻辑控制器，它们各个功能都不相同，大概可以分为两种使用类型：. 0 and later - see Jmeter/Groovy: getting iteration number without reference to Beanshell. When I update the thread count > 1, then I see a weird behavior. To achieve above scenario in Jmeter used below Test Plan: ThreadGroup - 1 user, 1 ramp up period, 1 loop-HTTP request to login-Questionslist - RegExp to get list of questions with -1 The problem is that I need to use this information in the next HTTP request but I don't know how to get asset_host from "data" without using a foreach controller. a forEach controller to iterate trough the values, a request and a response assertion. 1K views 1 year ago JMeter. Follow Prerequisite steps 2. 3. Nest the first Simple Controller under another Simple Controller (any other controller is also good enough for this. My hope is that I can either extract a random value from the Array. The other screenshots shot a correctly configured regex extractor, and a correct ForEach controller configuration. Requests could be HTTP, HTTP (s), FTP, TCP, SMTP, SOAP etc. jmeter. To achieve this, you need to parse that JSON Response with JSON Class in Java. The easiest way is using ForEach Controller configured as: Input Variable Prefix: listName; Output Variable Name: anything meaningful, i. If Controller. Each thread loops through the list of JSON-files for its own. As per JMeter version 3. Class ForeachController. So child-controllers which always return an element and never null (e. For example, when testing an API, we could get a JSON response which could contain JSON Arrays. The code above will read all the lines from file. The purpose of it. More information: Apache Groovy - Parsing and producing JSON. The input should consist of several variables, each extended with an underscore. 2. Add a Loop controller to the Thread (Forever=True), then add the "CSV data set Config" as child to the Thread. Please follow below steps. 0. Each Sampler can be preceded by one or more Pre-processor element. Stack Overflow | The World’s Largest Online Community for DevelopersAdd ability to execute requests in parallel when using ForEach Controller. After adding a thread group: Right click on Thread Group -> Add -> Logic Controller -> bzm - Parallel Controller. ForEach Controller. Download plugins-manager. How to use elements stored in a list in a for each controller. 2. That's it, each time the request will be called it will send an incremented value of the ${FirstName} JMeter Variable Demo: More information on Groovy scripting in JMeter: Apache Groovy - Why and How You Should Use ItJMeter ForEach controller with list of Objects not being iterated over. Try running JMeter as: jmeter -Jjmeter. Add a comment. Add ForEach Controller somewhere after this script and configure it as follows: Input variable prefix: number; Output variable name:. ForEach Controller save index of loop in a special variable you can use: JMeter will expose the looping index as a variable named jm __idx. I'm using While Controller based on the number of servers to iterate and execute the url requests. Background. User variables can be referenced in any field of any JMeter Component. foreach controller configured as : Input variable : arrVehicles start index : 0 output variable name : vehicleN groovy; jmeter; jsr223; post-processor; Share. I can see that the values are created by logging them, but the ForEach Controller doesn't ever make it's HttpRequests. Time duration Calculation in jmeter. 1. 0. Assuming that you have. Add a ForEach Controller to iterate all the keywords for the test case & Module Controller to call the keyword via Switch. The other. How to access data inside foreach controller Jmeter How to access data inside foreach controller using JSR223 sampler with index value. Using Apache JMeter First question: I was able to read one single file (containing all the data) from a directory and use its data. Above code will iterate all the JMeter Properties, look for the ones starting with prop_ and convert them to JMeter Variables which you can use in the ForEach Controller. Related questions. 0853° N longitude_2=34. PaDideh. 1. 2. Step 2) Configuring Loop Controller. Also add two Dummy. Is it possible to put 2 foreach control nested in Jmeter? Set variables 1 (with 5 variables) Foreach (from 1 to 5) Set variables 2 (with 3 variables) Foreach (from 1 to 3) HTTP petition, with 2 parameters (1 from setvariables 1 and another from setvariables2) The result I expect is 15 HTTP petitions. com run it 50 times, in addition to the loop value =2, you specified for the Thread Group above. Just add ${__jm__ForEach Controller__idx} pre-defined variable as a prefix or postfix for the name of the created variable in JSON Extractor so on each iteration it will create a separate JMeter Variable holding the current value extracted from the response. Publisher (s): Packt Publishing. csv, and since number of lines == number of threads, each user will. If there is no dependency among the requests throughput. ForEach Controller cannot operate on objects, you have to create JMeter Variables in form of:. Input variable prefix: uuid_list,file_list,file_path; Output variable name : uuid_list,file_list,file_path; to my next call which I want to iterate. How to pass multiple variable in a For -Each Controller of Jmeter. I have the following two questions that I could not find answer for. 2. . Then you can configure ForEach Controllers to consume var prefix and store the output into ${current_var} JMeter Variable: That's it, the ForEach Controller will iterate the created variables: Be aware that starting from JMeter 3. Im trying to loop over my user defined variables and add them to cookie manager. If you need to amend this seqNum value as well go for __counter () function or Counter test element and implement iteration on second variable manually. ForEach Controller: A ForEach controller loops through the values of a set of related variables. Install JMeter Plugin Manager: Download plugins-manager. Dmitri T. ForEach控制器遍历一组相关变量的值。. I'd appreciate if someone can help me with. If we were to add a Constant Timer to the test and set the delay to be 2000 milliseconds. More information: Results file configuration. 7818° E. For example you have 4 JMeter Variables: latitude_1=40. Example: Define an while controller with the Condition as $ {url}IfController not getting executed in my Jmeter that is defined under forEach controller. Here is the regex that works for me : punumber= (d+) If you're parsing html you should consider using something else other than regex to extract info like jsoup. But script looks unclear:. ssis. Parameterized the Name in CSV. is it possible to access different groups using output variable of ForEach controller?. ForEach Controller save index of loop in a special variable you can use: JMeter will expose the looping index as a variable named jm __idx. log fileHow to access data inside foreach controller Jmeter How to access data inside foreach controller using JSR223 sampler with index value. edit: My whole logic is like this:. Import statements allow including specific members of a package in your script. See Using Regular Expressions in JMeter guide for demo of using Regular Expression Extractor in conjunction with ForEach Controller. 1. Learn more about Teams It's possible but I don't think that you can use ForEach Controller and If Controller for this because if you're iterating values from CSV you will have one value per each loop of each thread and my expectation is that you want to have all the values at once. and stores them in a variable one at a time). Jmeter - How to loop x times based on items in the array (JSON extractor + ForEach controller) Hot Network Questions Rearrange triple. 1 Answer. If they are in a database you can use JDBC PreProcessor to fetch the data from the database table column and put your request under ForEach Controller; If you need to provide just some random characters you can use __RandomString() function. My Test Plan in JMeter. ForEach Controller expects JMeter Variables to look like: var_1 var_2 var_3. The Following Example Demonstrates the Throughput Controller: Open the JMeter and then add thread Group into your Test Plan and enter the number of Users as 10. So you need to slightly amend your code to look like:Given your JSON response it should produce the following JMeter Variables: tag_1=Country-NotFound tag_2=Country-NotFound tag_3=British. A group of variables can occur when you extract multiple values from a request with an Extractor or you can specify multiple User Defined Variables with a common prefix followed by an optional underscore and an index, e. you should have N loops (using Loop Controller e. (INACTIVE_FORCED_ADMIN in this case). JMeter for each controller - beanshell sampler display multiple variables. JMeter：逻辑控制器_If控制器（If Controller） If控制器允许用户控制其下的测试元素（其子元素）是否运行。. You will get something like this: Share. so depending on what you're trying to achieve you need to: In case if you want individual values of id, xid and/or yid - add 1 or more JSON Extractors and configure them to fetch the values from the response. jmeter -H 129. ) with child Throughput Controller set X percents (X is integer, 0 <= X <= 100) - so than X% from N loops is integer value too. $ {JMeterThread. foreach controller configured as : Input variable : arrVehicles start index : 0 output variable name : vehicleN groovy; jmeter; jsr223; post-processor; Share. Following is the query I ma using in the second JDBC request and it's child of ForEach Controller. Define your user variable using the User Defined Variables component, or use the CSV component. I guess the right beanshell script would fix this but I suck. 198. ForEach Controller expects JMeter Variables to look like: var_1 var_2 var_3. apache. jmeter. My current logic is defined as below: Thread group While controller Counter (defines number of servers) While controller (inner check "$ {URL}" != "<EOF>") CSV Data Set Config (stop EOF is. csv. On first itertion of thread ForEach works as expected, but on subsequent thread iterations ForEach does nothing. e. Also add two Dummy Samplers inside the controller and apply identical characteristics to both of them. csv is being correctly populated it should be fine to read CSV data. It is not very possible to reset the counter value using JMeter Variables because the value it's being managed by the Counter internally so if you really need to reset the counter value you will have to use Reflection API for accessing and setting the value of the given property. technicalSettings [*] Your JSON path extractor settings will be like: For each controller settings will be like: Add the request under for each controller and use the $ {myvar} in the request. I updated my post with screenshot trying your solution. JMeter：逻辑控制器_ForEach控制器（ForEach Controller）. You cannot access the properties doing this: JavaScript $ {d. 1. foreach controller not working correctly with variables. Index starts at 0Notice also JMeter holds special variable inside ForEach Controller: JMeter will expose the looping index as a variable named jm__idx. Read more Read more testing 14 June 2017 How to Parse a JSON Response Using JMeter's JSON Extractor As of JMeter 3. JMeter có 2 loại controllers: Samplers và Logical Controller, có tác dụng điều khiển thực hiện quá trình test. Following is my test plan. 1 day ago · Below is the scenario (Jmeter Tool) I am capturing one variable (Name as UID) using regex by keeping match number as "-1' I want to create request for each UID, and. but the actual result is just test1. Yes, it's possible. JMeter: Parse JSON and count. does not stop). Elsewise it'll read only the first line. When the ForEach Controller begins, it checks that <variable>_1 exists, regardless of what the start index is. If there are more threads than values, the values get re-used. jMeter Test Plan Elements – Learn Java jMeter Framework in simple and easy steps using this beginner’s Some examples are − ForEach Controller, While response assertion: using multiple patterns. Other elements, e. get ('foo') Current iteration of the ForEach Controller can be accessed as: vars. But i want the value to ** restart ** every iteration. 4. The foreach controller manual can be slightly confusing at first. I am writing a test plan that envolves requesting various. Difference Between Loop, forEach and While Controller in JMeterIn this video, you will learn the difference between the Loop, forEach, and While controllers,. See Groovy Is the New Black article to learn more about using Groovy in JMeter tests. 1 Answer. If you want only one sampler executed randomly ( per iteration) you can use the random controller. Next, create four HTTP Requests for Admin. ”. But I need to send all custID in single request to set preferences of customers –In JMeter: I have 2 controllers, 1 loop and 1 while controller. Subsequent requests are executed once the previous requests are executed. With second thread, read the second line of CSV file. jmeter. Let me explain more specifically. 1. Extracting data from SQL result. Q&A for work. Can this be achieved? "- Connect to the database (Used a JDBC connection) - Run a SQL to fetch a list of batch records say it returns B1, B2 and B3 batches (Used a JDBC request) - For each of the. JMeter Include controller. I believe I can use ForEach Controller, and JSON extractor, but I dont know how to build my logic here. Stack Overflow | The World’s Largest Online Community for DevelopersForEach Controller and Switch Controller configuration; Schematic view of your Test Plan (Tools -> Generate Schematic View) The values of JMeter Variables used in the ForEach and Switch Controllers for at least 2 iterations (can be obtained using Debug Sampler and View Results Tree listener combination) jmeter. Due to these two points, JMeter is multiplatform and runs in any kind of machine with a Java virtual machine installed: Windows, Linux, Mac. Evidence: Example Test Plan: I can use JMeter’s split function for this. I'm expecting that the result name will be test1. xml' at root level (from INFO to TRACE ), I found this issue 2020-12-09 17:13:48,507 DEBUG o. Then, in the Loop Controller, define loop count to: ${nameOfVar} Since version 4. Add Debug Sampler after the HTTP Request (first one) and make sure it contains the variables you're looking for, in order for ForEach Controller to work you need to have the following variables pattern: var_1=some value var_2=some other value etc. Hi There, I have a requirement to pass 2 variables extracted from json extractor from a request to a For Each controller. 3) Test Fragments > The Test Fragment element is a special type of controller that exists on the Test Plan tree at the same level as the Thread. ForEach controller doesn't work with JMeter Properties, you need to change the "Input Variable Prefix" to url_2 and your test should start working as expected. put("strusername_" + i, new String(strusername));, where i is index increased on each iteration (1 in first iteration). This is working correctly. Jmeter - Use Loop controller based on array (created from from multiple variables) 0. Samplers are a must. Add sampler. Note: Those controllers don't stop by them selves if all children have been. ThreadGroup --Req1 --Req2 ---RegEx: with Match No. Open menu Options -> Plugins Manager. May 8, 2019 at 4:20 Can you please describe the problem? From the log you posted it seems the regex is matching against strings at least 12 times. log file for any suspicious entries, if nothing unusual is there - increase JMeter logging verbosity and check it again. Object. For Each. org. Have a look at the interleave documentation as it explains nicely how it works and how one sampler, going from top to bottom, is executed per iteration. 1. Interleave Controller. java. I am obtaining them from my previous JSR223-postprocesser. If for some reason you want to use the While Controller it's also possible but it's more tricky. JSON is an extremely simple data format which has taken. vals_7, which you can then use in a ForEach Controller to assign to a JMeter variable: Input variable prefix: vals Output variable name: id [v] Add '_' before number? now you can use the JMeter variable ${id} in a nested URL sampler to pass the customer id in a URL. Test plan -> Thread group -> JSR223 PreProcessor : This is where i am reading file and adding it to vars, its like "json_ {number}" and "GETfileLength" -> ForEach Controller : This is sibling of Thread group -> HTTP Request : Inside for Each controller has a configuration of host, port and the path and. - Foreach Controller with input variable prefix "TRANSACTIONIDS", output name "RETURNID" - User Defined Variables config element with the following: XML -> ${XML}<id>${RETURNID}</id>. 1 Answer. this way you will be able to see the cause of the problem in jmeter. In the loop I create several objects. e I want some thing like 'ORD=All' similar to Load Runner. 1 Answer. CSV Data Set Config HTTP Reqeust. For each thread, the variable will be assigned one of the values from the series in sequence. So for example, if your Loop Controller is named FEC, then you can access the looping index through ${__jm__FEC__idx}. zip, import it and replay it in OctoPerf. in order to do this you need to add the following line to the place. Transaction controllers are a specialized form of controllers that generate an additional sample that measures the overall time taken to perform its nested samplers. 2. data. Put the HTTP Request sampler (or any other sampler if you’re using a different protocol) under the While Controller. After that add an debug sampler and check the variables. In order to iterate the generated variables you can use ForEach Controller configured like: And use ${value} in the HTTP Request sampler to access the next "cell" value on each iteration:At this stage you can add ForEach Controller and configure it like: Input variable prefix: diagnosisId; Output variable name: anything meaningful, i. Is it possible to put 2 foreach control nested in Jmeter? Set variables 1 (with 5 variables) Foreach (from 1 to 5) Set variables 2 (with 3 variables) Foreach (from 1 to 3) HTTP petition, with 2 parameters (1 from setvariables 1 and another from setvariables2) The result I expect is 15 HTTP petitions. info("inside hash"+ ${current_file} ); //current_file is the Output variable name defined in foreach controller and has the value of current file path. Use ForEach_Controller to achieve this. If you're using ForEach Controller for iterating slug variable the id one needs to be handed a little bit differently: use __jm__ForEach Controller__idx pre-defined variable to get current iteration of the ForEach Controller; use __intSum() function to increment it by 1 as the above variable is zero-basedAdd a comment. Add the Parallel Controller to the Test Plan: Right click on Thread Group -> Add -> Logic Controller -> bzm – Parallel Controller. 1 HTTP Request (Fetcher) and fetch. JMeter ForEach controller with list of Objects not being iterated over. 1 it's recommended to use JSR223 Test Elements and Groovy language for scripting as Groovy performance is much. How to use one. See Groovy Is the New Black article to learn more about using Groovy in JMeter tests. 3. get ("CatalogAssetIds_matchNr"). Have this situation for my script, using the following regular expression I am getting 14 file name from which I want to send 13 file name to for each controller and last file name an another transaction, how to do it in JMeter? Variable Name : FileName Expression : <file. Define the JMeter Counter. Using a JavaScript or BeanShell function to provide a changing value. Transaction Controller. However, the ForEach Controller doesn't ever fire. The application returns JSON that looks like the following: I need to get a count based on type. var_1=a var_2=b You can create JMeter Variables using vars shorthand for JMeterVariables class instance like:. I have the following scenario - To search for a Name in search text box. get ('__jm__your-foreach-controller-name-here__idx') if you haven't changed the default name it would be: Sorted by: 1. Add a Loop Controller and set the “Loop Count” to 5. For what you want to do, it's better to use a ForEach Controller instead of a Loop Controller: It will automatically iterate on DeedIDs_x and put each value in $ {DeedID} The V (variable) function returns the result of. It seems that the JSF ViewState value is getting hard-coded when I record the requests due to which when. If Controller的主要用途是控制JMeter执行脚本流程。这基本上意味着只有在某个条件为真时才能运行采样器。Some examples are − ForEach Controller, While Controller, Loop Controller, IF Controller, Run Time Controller, Interleave Controller, Throughput Controller, and Run Once Controller. e. Share. If you want only one sampler executed randomly ( per iteration) you can use the random controller. control. In this tutorial, we will talk about below situations with using the ForEach Controller. Total Requests (12) = Thread Group loop count (2) * Loop Controller loop count (2) * Number of Requests inside Loop Container. But when I look at the results it only takes the FIRST var and uses that for ALL of the loops. JMeter - Variable value concatenation from ForEach Controller i`m having this scheme in Jmeter: > DataBase Extraction (query that gets some files - note that the extract has a variable bound to it). Samplers controller: Jmeter samplers cho phép định nghĩa các request có thể được gửi tới một server. Jmeter For each Controller Ask Question Asked 3 years, 7 months ago Modified 3 years, 7 months ago Viewed 807 times 0 I've created in Jmeter the follwing: HTTP Request (first one)Modified 2 years, 4 months ago. So you have the following workarounds:I used jmeter recently and I try to get some data from a jdbc request and send them in a spring service with request. I don't think you will be able to use Parallel Controller for this, you can consider switching to Parallel Sampler. This should prevent Jmeter to dive into the children of the IfController and call their next method. 0. ForEach Controller in Jmeter iterates through an array of variables. Words that2. apache. jmeter ${__V(longitude_${__counter(,)})} use inside foreach controller. So JMeter will send a total of 2 * 50 = 100 HTTP Requests. Index starts at 0. That solution is almost there, all you need is to change 2 things: Change number of threads from 1 to number of lines in users. More information: How to Use a Counter in a JMeter Test. For example if COUNT is equal to 1:See How to Use JMeter's 'IF' Controller and get Pie article for more details. last_sample_ok} or any variable you want that contains true/false. But it's not true. 0. 0. jar file. 3. ForEach controller loops through the values of a set of related variables. This section shows you step-by-step instruction to add Loop. In this article, we are going to focus on applying JMeter ramp-up usage best practices to mimic different load. Each controller element serves a. Input variable prefix: years, elements and Output variable name:. Once you have them - you can use ForEach Controller configured like: So you will be able to use ${current} (or whatever you put into the "Output variable name" in the JDBC Request. Loop Controller. One such controller is the "Foreach Controller" which allows iterating over a set of values and executing the nested samplers for each value. 2. Using the Parallel Controller - A Simple Example. See Debugging JDBC Sampler Results in JMeter guide for more information on working with the JDBC test elements results. . Index starts at 0. JMeter plugins¶ All JMeter plugins (even custom ones) are supported using Generic Actions. A complete test plan will consist of one or more Thread Groups, logic controllers, sample generating controllers, listeners, timers, assertions, and configuration elements. which are suitable for iterating using ForEach Controller. Output:1. The __jm__Loop Controller__idx variable starts from zero so you need to add 1 to the initial value, it can be done using. How does the transaction controller in JMeter operate? One of the controllers frequently utilized in JMeter scripts is the Transaction Controller. You can define the urls in the csv data format and have Jmeter loop through it. Due to the workflow requirement, I need to combine all of the instances of the inspectionIds and then move on to the next controller. In the figure below we have a test plan containing two Thread Groups. ForEach Controller in Jmeter iterates through an array of variables. Save the partial or the whole response into a JMeter Variable. 1. Basing on Regular Expression Extractor match count it can generate different subsequent requests for each virtual user. Read multiple CSV files from multiple folder and import to a SQL table through SSIS. The loop index is built into JMeter 4. 1 Answer. Now, I want to use the tokens I got in the Foreach Controller to. JMeter MD5Hex Assertion. Here is the JSON response:Add ForEach Controller to your Test Plan (somewhere after the main request) and configure it as follows: Input variable prefix: array; Output variable name: current_array; Add HTTP Request sampler as a child of the ForEach Controller. data. You don't need Directory Listing Data Source at all as you're getting the files list via Beanshell; You need to use ${UPLOAD_FILE} variable in the HTTP Request sampler; It will be more convenient to use ForEach Controller, in that case you won't have to worry about counting the loops and calculating the next file name; Since JMeter 3. info("inside hash"+ ${current_file} ); //current_file is the Output variable name defined in foreach controller and has the value of current file path. My . Practical example shown below: Test Plan looks like this: Extract User ID using Regular Expression Extractor. With regards to the "price" you will need to use __V () and __intSum () functions combination like:Samplers are the components which allow JMeter to send specific types of requests to a server. Logical Controllers: It lets you control the order of processing of Samplers in a Thread. For more information on Beanshell scripting in Apache JMeter refer to How to use BeanShell: JMeter's favorite built-in component guide. See Using Regular Expressions in JMeter guide for another example of looping through all links found in the page with the Regular Expression Extractor and ForEach Controller. Sorted by: 1. CSV Data Set Config. Thread Group. In the first one, I declare an empty array list. Include Controller Include controller is used to add an external a test to the existing test case. {counter} to 0. ForEach Controller Module Controller Include Controller Loop Controller Once Only Controller Interleave Controller Random Controller Random Order Controller Throughput Controller. Yes, it's possible. 3. ForEach Controller can iterates through an array of variables and invoke the actions below it basing on each value. So for example, if your Loop Controller is named FEC, then you can access the looping index through $ {__jm__FEC__idx}. How to Use ForEach Controller in JMeter | Advanced JMeter Tutorial As a part of the JMeter Tutorial, we have covered a new topic about using. Also add two Dummy Samplers inside the controller and apply identical characteristics to both of them. Enter variable name: file1ID. Jmeter bug 61802 - Loop / ForEach Controller should expose a variable for current iteration. Put the following JAVA Code in JSR223 Sampler and select language as java. saveservice. For example you have 4 JMeter Variables: latitude_1=40. How to use for each controller in JMeter - JMeter Logic Controllers Prerequisite: Add Thread Group Steps: 1. if it produces the output you want - you can make the change permanent by adding the next line to user. Then I used a ForEach Controller to perform the HTTP Request (see this thread). Loop Count - The number of times the sub-elements of this controller. Where required address each file contents using __FileToString() function as ${__FileToString(${current_file},,)} Share. Thread GroupsMD5Hex Assertion. Example configuration: Demo:The match no -1 creates variables vals_1 . If you want to use your "array" in the ForEach Controller configured like in your screenshot you need to create the relevant JMeter Variables beforehand in form of: json_1=f439d9bb-487b-4a46-b5aa-1013d8de464a json_2=6656dae1-159a-4062-9cbb-5382d5202cd8 etc. Sorted by: 0. 2. Synchronizing Timer if you need to run the requests at the same time. . Using Java Request Sampler inside a ForEach controller in Jmeter. When the top-level controller returns true to JMeterThread, the thread is complete. I updated my post with screenshot trying your solution. You should be able to refer the array value as ${current_array} where requiredAnd the next JSON Extractor configuration. Full GC が発生しないように、一回分のテストが収まるようなメモリ量を確保する. e. " to -1. properties file: jmeter. jmx ). So you need to amend your User Defined Variables to look like. jar and put it into lib/ext directory, then restart JMeter. If you configure ForEach Controller like: then you will be able to get the current value of foo variable as: vars. 0. When using this feature, ensure your script code does not use JMeter variables or JMeter function calls directly in script code as caching would only cache first replacement. The variable names stand for each of the columns in the csv file, and can be referred in the loop controllers. Difference Between Loop, forEach and While Controller in JMeterIn this video, you will learn the difference between the Loop, forEach, and While controllers,. I have come up with the solution for "Unique Once Vuser setting in jMeter". 当您将采样器（或控制器）添加到ForEach控制器时，每个样本（或控制器）将执行一次或多次，其中在每个循环期间，变量都有一个新值。. 0059° W latitude_2=32. Samplers are the components which allow JMeter to send specific types of requests to a server. For more details you.