Workload Pie Chart Showing Unreadable Characters
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Problem
After upgrading JIRA, when viewing the dashboard with a pie chart gadget as wall chart, it shows an unreadable characters.
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2017-10-29 06:28:59,686 http-nio-8080-exec-19 WARN anonymous 123x456x7 88abcd 123.456.78.90,123.45.67.890 /secure/Dashboard.jspa [c.a.g.embedded.internal.GadgetUrlBuilder] GadgetUrlBuilder: could not parse spec at rest/gadgets/1.0/g/com.atlassian.jira.ext.charting:workloadpie-gadget/com/atlassian/jira/ext/charting/gadget/workloadpie-gadget.xml
2017-10-29 06:28:59,686 http-nio-8080-exec-19 WARN anonymous 123x456x7 8888abcd 123.456.78.90,123.45.67.890 /secure/Dashboard.jspa [c.a.g.renderer.internal.GadgetSpecFactoryImpl] Error occurred while retrieving gadget spec for rest/gadgets/1.0/g/com.atlassian.jira.ext.charting:workloadpie-gadget/com/atlassian/jira/ext/charting/gadget/workloadpie-gadget.xml
2017-10-29 06:28:59,686 http-nio-8080-exec-19 WARN anonymous 123x456x7 8888abcd 123.456.78.90,123.45.67.890 /secure/Dashboard.jspa [c.a.g.renderer.internal.GadgetSpecFactoryImpl] Error occurred while retrieving gadget spec for rest/gadgets/1.0/g/com.atlassian.jira.ext.charting:workloadpie-gadget/com/atlassian/jira/ext/charting/gadget/workloadpie-gadget.xml
Diagnosis
Environment
CentOS 7 server
JIRA 7.3.x
Diagnostic Steps
Piecharts appear as expected when being viewed on a standard dashboard. However, if the "piechart-dashboard-item" module of the "Atlassian JIRA - Plugins - Gadgets Plugin" is disabled, dashboard piecharts appear in the same format as the wallboard dashboards.
Cause
The problem happens due to font issue.
Solution
Resolution
Install standard font pack (as the instance is hosted on a CentOS 7 server, this was achieved with "yum install urw-fonts")
Stop Jira
Clear the plugin cache
Start Jira
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