# Unable to run support-diagnostics utility on my logstash server **URL:** \ **Category:** Elasticsearch\ **Tags:** elastic-stack-monitoring\ **Created:** [May 20, 2020, 12:44pm UTC](https://discuss.elastic.co/t/unable-to-run-support-diagnostics-utility-on-my-logstash-server/233537 "2020-05-20T12:44:46Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Rohit\_Kumbhar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rohit_kumbhar/32/67682_2.png) [@Rohit\_Kumbhar](https://discuss.elastic.co/u/Rohit_Kumbhar)\ **Post date:** [May 20, 2020, 12:44pm UTC](https://discuss.elastic.co/t/unable-to-run-support-diagnostics-utility-on-my-logstash-server/233537/1 "2020-05-20T12:44:46Z")
Hi, I am receiving This error when i run` ./diagnostics.sh` file Using /bin/java as Java Runtime Using -Xms256m -Xmx2000m for options. Error: Could not find or load main class com.elastic.support.diagnostics.DiagnosticApp Please provide solution Thanks in Advance ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [May 20, 2020, 10:51pm UTC](https://discuss.elastic.co/t/unable-to-run-support-diagnostics-utility-on-my-logstash-server/233537/2 "2020-05-20T22:51:14Z")
Is there a specific reason you are running this? If our Support team has asked you for this info, then they can definitely help you troubleshoot this 🙂 ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [June 17, 2020, 10:51pm UTC](https://discuss.elastic.co/t/unable-to-run-support-diagnostics-utility-on-my-logstash-server/233537/3 "2020-06-17T22:51:15Z")
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