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Troubleshooting
How do I fix Collections failing with "Invalid Class" Errors?
If WMI collections fail with an error referencing Invalid Class (example at the end of this topic), resynchronizing the performance counters may correct the issue.
To resynchronize the performance counters, run the following from the command line on the computer that you are trying to monitor:
- For Windows 2003/2008/XP run:
winmgmt /resyncperf
- For Windows 2000 run the following (substituting the process ID of the Winmgmt process):
winmgmt /resyncperf {Winmgmt_Process_ID}
Internet application won't register with "unable to delete.... parent.lock file" error message.
Firefox 3.6 requires Selenium 1.04 or higher. If you are using these versions of Firefox and Selenium to create Internet macros for the Internet application, you will get an error message that Longitude is "unable to delete" a file named "parent.lock".
This is fixed by an updated selenium-server.jar file. To put this in place, do the following:
- Download the updated selenium-server.jar file.
- Stop the Longitude services.
No servers listed in Manage Applications after collections have been suspended.
In Longitude 6.2, if you suspend all collections in Manage Monitoring, the MONITOR APPLICATION, REMOVE APPLICATIONS, and SUSPEND APPLICATIONS buttons are not available on the page, and you will see the following message:
Data is not loaded. Please try again in a few minutes.
To display the suspended servers and the management buttons:
- Go to the main Monitoring page.
- In the Manage Applications menu, click the Add link
- Register a ping transaction for a server that is not suspended
6.2: 64 bit Windows Agent displays unavailable status and is unable to collect data.
The full Management Console installation kit has an agent installation option. Some agents installed using this option in the 64 bit installation kit may have the following problems:
- In Administration >> Component Management >> Display Status, the agent status is displayed as red
- In Manage Monitoring, a test connection to the agent is successful, but you are unable to register collections
The following steps will fix this problem:
- Log on to the agent computer with a Local Administrator account
- Stop the Longitude services
Settings for images in views reset when modifying filters or description
While in Manage views if I click on a view to edit it and either add a filter or modify the description field the setting for images is set to default for that view. This happens even though I do NOT select update image button. So any placement of icons is lost and any custom background I set is set to the default map.
Query based collections in the SQL 2005 based application fail.
The SQL2005 application in Longitude collects data using both WMI and SQL Queries running over a JDBC connection. The following collections are made using JDBC:
- FailedJobs
- FrequentQueries
- Index
- LongestJobs
- WorstQueries
If the JDBC based collections are failing, try the following debug steps:
- If the error message you receive includes a "Connection timed out" message, try restarting the Statistics Server, and then register the SQL2005 application again for the instance you would like to monitor.
6.2: The Sql_Processes task or the Sql_Locks task from SQL2000 application is failing
The Sql_Processes task or the Sql_Locks task from SQL2000 application is failing in v6.2:
You got an email alerting you that either or both of these tasks are failing.
To fix this issue, please do the following :
6.2, Build 493: Error occurs after drilling on a report
The following error is occurring when you attempt to drill down on a report using Longitude v6.2 build 493:
You attempted to access a page that does not exist. Please contact Heroix support if the problem persists.
HTTP Error code: 400
Request: /webui/Displays/Reports/ReportRun/linkReport.do
Message: Invalid path /Displays/Reports/ReportRun/linkReport was requested
To fix this issue, please do the following:
Increase maximum memory for the Upgrade Manager before an upgrade
To prevent "out of memory" issues during an upgrade, you can increase the maximum amount of memory the Upgrade Manager is allowed to use. This is done by modifying the Longitude\ApplicationManagerMain.lax file. Edit the file to add in or modify the line in bold below, between the LAX.NL.JAVA.LAUNCHER.MAIN.METHOD and the LAX.NL.VALID.VM.LIST sections. After the edit, please restart the Upgrade Manager service.
__________________________________________________________________________
# LAX.NL.JAVA.LAUNCHER.MAIN.METHOD
# --------------------------------
Down SLA details not displaying correctly in IE
There can be a problem viewing the detail page for a down SLA in IE - when you try to get the details, the status bar will display "Downloading data http://0.0.0.0/...", and then the display an incorrect detail report.
The work around for the "Downloading data http://0.0.0.0/..." message in IE for SLA details is:
1) Hit Ctrl-F5 - you should see "Done" in the status bar
2) Click the "Back" button in the browser
3) Now you should either see the correct page, or a "Webpage has expired" page
4) If you see "Webpage has expired": click "Back" button on the browser, and re-run the report.