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When to clear Webview cache and how to do this.

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Article ID: 14162

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Updated On:

Products

CA Application Performance Management Agent (APM / Wily / Introscope) INTROSCOPE

Issue/Introduction

There are multiple knowledge documents related to how to clear Webview cache and the various conditions on when to do so. This provides an overall list in one place.

Typically this done after a new install or upgrade.

Sometimes, a previous installed Introscope view has leftover cache in the Webview directory of the EM install.

 

 



How can Webview Cache be cleared? When should I clear Webview cache?

Environment

Introscope from 9.6x awards.

Resolution

Do the following steps to clear this extra cache:

  1. Stop WebView
  2. Go to the \product\webview\configuration directory

    Delete or move out the following directories:

    org.eclipse.core.runtime&
    org.eclipse.equinox.app &
    org.eclipse.osgi &
    org.eclipse.update
  3. Restart Webview.
  4. Access the login page. The leftover cache is removed.

Additional Information

The various symptoms needing Webview cache cleared and related knowledge documents are the following:

Issue #1: While connecting to a Webview server (http://<APM WebviewServer_Hostname>:8080, by default) through a browser as a Webview client, there is an issue rendering images

https://www.ca.com/us/services-support/ca-support/ca-support-online/knowledge-base-articles.TEC1470306.html

 

Issue #2: After modifying the default WebView listening port value for the property "introscope.webview.tcp.port" in the IntroscopeWebView.properties file, the new WebView URL (http://<hostname>:<port>) fails with error "HTTP ERROR 500".

https://www.ca.com/us/services-support/ca-support/ca-support-online/knowledge-base-articles.TEC1619739.html

 

Issue #3a:  After upgrading from 9.x to 10.x and using the Webview interface, the dashboard dropdown list on the console tab does not work. When clicking a dashboard in  the dropdown, the new dashboard does not load. Also, links on dashboards do not work.

https://www.ca.com/us/services-support/ca-support/ca-support-online/knowledge-base-articles.TEC1078654.html

 

Issue #3b  After upgrading from 9.x to 10.x and using the Webview interface, the dashboard dropdown list on the console tab does not work. When clicking a dashboard in  the dropdown, the new dashboard does not load. Also, links on dashboards do not work.

https://www.ca.com/us/services-support/ca-support/ca-support-online/knowledge-base-articles.TEC1078654.html

 

Issue #4: My dashboards has alerts that are linked to other dashboards.  In the WebView Console, when clicking on an alert to go to another Dashboard, instead of seeing that Dashboard, I am brought to the Dashboard named "Welcome to APM Dashboards".  This does not happen in Workstation.

https://www.ca.com/us/services-support/ca-support/ca-support-online/knowledge-base-articles.tec1906454.html

 

Issue #5: Renaming of Management Modules cause dashboard links to fail in WebView

When Management Modules are renamed, dashboards containing links referring to other dashboards will not work on the fly in WebView unlike Workstation.

https://www.ca.com/us/services-support/ca-support/ca-support-online/knowledge-base-articles.TEC1140221.html