![]() Network: If only some of the user load is getting this error at different times, it might indicate some network device that is overloaded/misconfigured, like a router or switch.Server: If all of the user load is getting this error, especially if the load generators are not in the same location in the network, then the issue might be the server or some resource it’s using, such as a database server.In contrast, if the percentage of errors is lower and happens at different times in your test, this is more likely your server’s inability to handle the amount of load.So how can you tell if it’s a server or a network issue? This error most likely indicates that your target server or network device has become overloaded.The closer to 100% - this is a sign that it’s your network (e.g., firewall issue). So, in essence, your load generator sent the request(s), and something got in the way of the traffic. Typically, the remote host cannot be reached because of an intervening firewall or if an intermediate router is down. Signals that an error occurred while attempting to connect a socket to a remote address and port. Using one or a combination of the solutions provided will help you troubleshoot in hopes that you achieve a quick resolution. Frontend server issues with the number of connections (IIS/Apache) or thread pool limits (Tomcat).Backend server issues (like database or resource server).Since there are several reasons for NL-NETWORK-01 errors, we need to focus on examples like: The following article serves as a best practice guide for you to attempt to resolve on your own. Overview: This tool for web and mobile apps realistically simulates user activity and monitors infrastructure behaviour to eliminate bottlenecks.Typically NL-NETWORK-01 errors occur when your server fails to respond with the expected result that Tricentis NeoLoad is waiting for. Top Comparison: Micro Focus LoarRunner Professional Overview: An all-in-one automated testing platform that allows teams to create, manage, and execute automated functional, security, and performance tests in one centralised interface. Test on real mobile devices, VMs, real Macs, and simulators and emulators. Access the cloud for end-to-end testing from anywhere in the world. Overview: The leading testing platform for web and mobile apps. Overview: The Micro Focus industry-standard software solution for application performance and load testing. Top Comparison: Micro Focus LoadRunner Cloud Overview: A simple, smart, and scalable cloud-based load and performance testing solution for agileĪnd DevOps teams. ![]() Overview: A global cross-enterprise performance testing tool which enables businesses to manage multiple, concurrent performance testing projects across different geographic locations without any need to travel between the locations. Top Comparison: Micro Focus LoadRunner Professional Overview: Allows businesses to reuse their functional API tests built on the industry's #1 open source-based API testing tool. Overview: Provides sophisticated performance testing and load testing tools that can test the widest range of technology and can scale up to simulate any load that a business needs. ![]() Overview: Ensures delivery of high-performance software by enabling DevOps teams to run opensource-based performance tests quickly and easily against any mobile app, website or API at massive scale. Overview: An open-source Java application that tests load and functional behaviour and performance in applications. Here’s a breakdown of the key players currently active in the market: Apache JMeter Its latest paper looks at the highest rated performance testing tool vendors, profiling each and examining what they can offer enterprise. Over 540,000 professionals have used Peerspot research to inform their purchasing decisions. ![]() However, the performance testing tool market is filled with many robust offerings and selecting the right tool can be difficult. Performance testing has taken on greater importance to businesses as their IT environments become more complex and ambitious.
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