https://community.dynatrace.com/t5/Troubleshooting/How-to-check-Synthetic-Monitor-Websocket-errors-in-logs/ta-p/211647 <H1 class="lia-align-justify"><FONT size="4">This guide aims to be able to find the WebSocket errors that occur during the execution of a synthetic monitor.</FONT></H1> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify">In order to see the information mentioned, it would be necessary to download the following files:</P> <P class="lia-align-justify"><STRONG>1.</STRONG> First, we would need to move to <FONT color="#000000"><STRONG>Deployment Status.</STRONG></FONT></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify"><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_0-1683560261401.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11535iECE89630EE3C6B5C/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_0-1683560261401.png" alt="a_barbera_0-1683560261401.png" /></span><BR /><FONT size="1 2 3 4 5 6 7">Figure 1. Deployment Status page.</FONT></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify"><STRONG>2.</STRONG> Once we access the page, we will have to select <FONT color="#000000"><STRONG>Run ActiveGate diagnostics</STRONG>.</FONT></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify"><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_1-1683560323939.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11536iD333D8DD4C57442E/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_1-1683560323939.png" alt="a_barbera_1-1683560323939.png" /></span></P> <P class="lia-align-justify"><FONT size="1 2 3 4 5 6 7">Figure 2. Running ActiveGate diagnostics.</FONT></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify"><STRONG>3.</STRONG> We will wait until it is completed and then download the files. It is necessary to unzip the files so we can look at them properly.</P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify"><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="a_barbera_2-1683560936171.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11537iDBAD97C4BB95C5AA/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_2-1683560936171.png" alt="a_barbera_2-1683560936171.png" /></span></P> <P class="lia-align-justify"><FONT size="1 2 3 4 5 6 7">Figure 3. Support Archives Files.</FONT></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify">4. We will have to move to the following path: <FONT size="2" color="#000000"><STRONG>COLLECTOR\0x____\synthetic\vuc-logs.&nbsp;</STRONG></FONT></P> <P class="lia-align-justify">&nbsp; &nbsp; The file we’re looking for it is<FONT color="#000000"><STRONG> vuc-browser.log</STRONG></FONT></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify"><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_4-1683561169720.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11539i62554B6D7511D104/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_4-1683561169720.png" alt="a_barbera_4-1683561169720.png" /></span></P> <P class="lia-align-justify"><FONT size="1 2 3 4 5 6 7">Figure 4. Vuc-broswer.log file.</FONT></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify">Well done! Now we're ready to analyze the file we have downloaded.</P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify">To quickly search the logs for synthetic monitors with successful or failed execution, it is possible to filter them using keywords:</P> <P class="lia-align-justify"><STRONG><FONT size="2">- <FONT color="#000000">TEST_COMPLETED</FONT></FONT></STRONG><BR /><STRONG><FONT size="2">- TEST_ABORTED</FONT></STRONG></P> <P class="lia-align-justify">We’re going to explain both. We will start looking with&nbsp;<FONT size="2" color="#800080"><STRONG>TEST_ABORTED.</STRONG></FONT></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify"><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_0-1685100778094.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11893iA8F3757056B42712/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_0-1685100778094.png" alt="a_barbera_0-1685100778094.png" /></span></P> <P class="lia-align-justify"><FONT size="1 2 3 4 5 6 7">Figure 5.Investigating Logs TEST_ABORTED.</FONT></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify">In this case, we can see in the previous figure that the test was aborted. We can see the message <STRONG>WebSocket connection is closed</STRONG>&nbsp;as the reason.<STRONG> Status 1001</STRONG>. Also, we can see the <STRONG>VisitId</STRONG> highlighted too.</P> <P class="lia-align-justify">We will use the <STRONG>VisitId</STRONG> to search where the problem is in another file. <STRONG><FONT color="#800080">For this example, the VisitId is 6680333610458108891.</FONT></STRONG></P> <P class="lia-align-justify">In order to look at what we mentioned, it would be necessary to move to the path:&nbsp;<FONT size="2"><STRONG>\COLLECTOR\0X______\synthetic\vup-logs</STRONG></FONT></P> <P class="lia-align-justify">Now, we're going to look for the same visitor ID in this folder:</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_0-1685102280024.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11900iFF213A88D0F2AE4B/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_0-1685102280024.png" alt="a_barbera_0-1685102280024.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7">Figure 6. Vup-logs folder.</FONT></P> <P class="lia-align-center">&nbsp;</P> <P class="lia-align-justify"><span class="lia-unicode-emoji" title=":warning:">⚠️</span>&nbsp;<FONT size="3"><STRONG><FONT color="#FF0000">Important:</FONT></STRONG>&nbsp;<STRONG><FONT color="#000000">Only recently executed tests can be viewed in the image above. Later on, we will see how it is possible to check older executions.</FONT></STRONG></FONT></P> <P class="lia-align-justify"><STRONG><FONT color="#800080">T</FONT><FONT color="#800080"><STRONG>h</STRONG>e number of the VisitId is in the middle of the file names</FONT></STRONG>. For example, in our case, we could find the VisitId of our Synthetic Monitor Test just because it was a recent one.</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_3-1685102438106.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11903iEB03F44BD0155AC2/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_3-1685102438106.png" alt="a_barbera_3-1685102438106.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7">Figure 7. Looking for the VisitId.</FONT></P> <P class="lia-align-center">&nbsp;</P> <P class="lia-align-justify">As soon as the file corresponding to the VisitId has been found, we will examine it. Some keywords are possible to use to look for in the mentioned file:<BR />- Index<BR />- Step<BR />- Type</P> <P class="lia-align-justify">Using these words, you can find in what step the test got stuck, as we can see in the following figure:</P> <P class="lia-align-justify">&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_4-1685102504572.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11904i07C378B6AA849B8F/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_4-1685102504572.png" alt="a_barbera_4-1685102504572.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7">Figure 8. Looking for the last steps.</FONT></P> <P class="lia-align-center">&nbsp;</P> <P>In the example above, it is shown that the test got stuck between steps 42 and 43. To try to fix it, we will have to work on the configurations of these steps.</P> <P>Now, we’re going to look for<STRONG><FONT color="#800080"> <FONT size="2">TEST_COMPLETE</FONT></FONT></STRONG><FONT color="#000000"><FONT size="2">.</FONT></FONT></P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_2-1683902436585.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11639i4237FEF83FA2A571/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_2-1683902436585.png" alt="a_barbera_2-1683902436585.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7">Figure 9. Investigating Logs TEST_COMPLETE.</FONT></P> <P class="lia-align-center">&nbsp;</P> <P>In this case, we can see in the last picture that the test was completed. We can see the message <STRONG>WebSocket connection is closed</STRONG>. <STRONG>Status 1000</STRONG>. Also, we can see the <STRONG>VisitId</STRONG> highlighted too. <STRONG>In this case, the Status is 1000, which means satisfactory</STRONG>.</P> <P>We will use the <STRONG>VisitId</STRONG> to search where the problem is in another file. <STRONG><FONT color="#800080">For this example, the VisitId is 1087214098859927268.</FONT></STRONG></P> <P>It would be necessary to move to the path we saw before: <FONT size="2"><STRONG>\COLLECTOR\0X______\synthetic\vup-logs</STRONG></FONT><BR />Now, we’re going to look for the same VisitID in this folder:</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_5-1685102692655.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11905i49A6DD3797B022F2/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_5-1685102692655.png" alt="a_barbera_5-1685102692655.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7">Figure 10. Looking for the VisitId.</FONT></P> <P>&nbsp;</P> <P>We can look for the exact keywords we saw before to check all the steps the test did in this case.</P> <P>&nbsp;</P> <P class="lia-align-justify"><STRONG>If you’re interested in checking some tests and it is not in the recent tests folder (there only appeared 1 hour ago tests), please check the next steps.</STRONG></P> <P class="lia-align-justify">First of all, if we’re checking the file vuc-browser.log (Figure 5) and we select a VisitId to check in the recent tests folder, but it does not appear there, it is needed to go to:&nbsp;&nbsp;<FONT size="2"><STRONG>\COLLECTOR\0x___\synthetic\vup-archivedLogs.</STRONG></FONT></P> <P class="lia-align-justify">In this folder, we will see other folders named Dates and Hours:</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_1-1684135589169.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11649iE0BFE0858C24EB89/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_1-1684135589169.png" alt="a_barbera_1-1684135589169.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7">Figure 11. vup-archivedLogs folder.</FONT></P> <P class="lia-align-center">&nbsp;</P> <P>To look for our Test, it would be necessary to remember the exact date and hour of the date. For example:</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_6-1685102787058.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11907iD673EF6D82C36D3D/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_6-1685102787058.png" alt="a_barbera_6-1685102787058.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7">Figure 12. Investigating Logs TEST_ABORTED.</FONT></P> <P class="lia-align-center">&nbsp;</P> <P>If we go to the vups-logs folder as we did before in Figure 10 or 7, we’re not going to be able to find the test from Figure 12. Therefore, it is necessary to check when the test was executed. As we can see in the following picture, it was executed around 18:00.</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_7-1685102934035.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11909iF3E85A0600A8EF05/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_7-1685102934035.png" alt="a_barbera_7-1685102934035.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7" color="#000000">Figure 13. Date and hour of a test.</FONT></P> <P class="lia-align-center">&nbsp;</P> <P>So, if we move to <STRONG>vup-archivedLogs folder</STRONG> (Figure 11), we will have to look for day 29 and hour 18.</P> <P>&nbsp;</P> <P>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_3-1684135738567.png" style="width: 400px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11651i34BC1AE7F4B7CD5E/image-size/medium?v=v2&amp;px=400" role="button" title="a_barbera_3-1684135738567.png" alt="a_barbera_3-1684135738567.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7">Figure 14. Folder with the exact day and hour.</FONT></P> <P>&nbsp;</P> <P>Inside, we would have to be able to find the synthetic we were investigating in Figure 12.</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="a_barbera_2-1685101362266.png" style="width: 999px;"><img src="https://community.dynatrace.com/t5/image/serverpage/image-id/11897i3780B76235CA3A99/image-size/large?v=v2&amp;px=999" role="button" title="a_barbera_2-1685101362266.png" alt="a_barbera_2-1685101362266.png" /></span></P> <P class="lia-align-center"><FONT size="1 2 3 4 5 6 7">Figure 15. Vup-archivedLogs folder.</FONT></P> <P>&nbsp;</P> <P>Once we have found it, we will have to check the steps or how the test was.&nbsp;</P> <P>&nbsp;</P> Wed, 13 Sep 2023 14:46:04 GMT a_barbera 2023-09-13T14:46:04Z https://community.dynatrace.com/t5/Troubleshooting/How-to-check-Synthetic-Monitor-Websocket-errors-in-logs/ta-p/211647 <P>This article will explain how to check Websocket errors in Synthetic Monitor test logs. So we will be able to identify if there was any error during the test and in what step the error occurred.&nbsp;</P> Wed, 13 Sep 2023 14:46:04 GMT https://community.dynatrace.com/t5/Troubleshooting/How-to-check-Synthetic-Monitor-Websocket-errors-in-logs/ta-p/211647 a_barbera 2023-09-13T14:46:04Z https://community.dynatrace.com/t5/Troubleshooting/How-to-check-Synthetic-Monitor-Websocket-errors-in-logs/tac-p/213302#M234 <P>Great write up&nbsp;<a href="https://community.dynatrace.com/t5/user/viewprofilepage/user-id/55875">@a_barbera</a>&nbsp;</P> Fri, 26 May 2023 14:19:02 GMT https://community.dynatrace.com/t5/Troubleshooting/How-to-check-Synthetic-Monitor-Websocket-errors-in-logs/tac-p/213302#M234 ChadTurner 2023-05-26T14:19:02Z https://community.dynatrace.com/t5/Troubleshooting/How-to-check-Synthetic-Monitor-Websocket-errors-in-logs/tac-p/226155#M325 <P>This is really awesome..&nbsp;<a href="https://community.dynatrace.com/t5/user/viewprofilepage/user-id/55875">@a_barbera</a>&nbsp;</P> Sat, 21 Oct 2023 22:37:46 GMT https://community.dynatrace.com/t5/Troubleshooting/How-to-check-Synthetic-Monitor-Websocket-errors-in-logs/tac-p/226155#M325 sujit_k_singh 2023-10-21T22:37:46Z https://community.dynatrace.com/t5/Troubleshooting/How-to-check-Synthetic-Monitor-Websocket-errors-in-logs/tac-p/227669#M337 <P>Thank you very much for this advice! It came in handy!</P> Sat, 04 Nov 2023 17:27:10 GMT https://community.dynatrace.com/t5/Troubleshooting/How-to-check-Synthetic-Monitor-Websocket-errors-in-logs/tac-p/227669#M337 radek_jasinski 2023-11-04T17:27:10Z