[birt-dev] Checkin: bugzilla 179133- Out of bounds chart exception when

["Yulin Wang" <yulin.wang@xxxxxxxxxxx>]

- Summary:
Out of bounds chart exception when rendering a report using multiple threads

- Bugzilla Bug (s) Resolved:
179133

- Description:
Caused by missing synchronized keyword of factory method.
Due to concern of performance issue, create the helper class by constructor rather than synchronized singleton factory method.

- Tests Description :
Visual tests

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:

- Notes to Documentation:

- Files Edited:

"/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderHelper.java" "/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderer.java"

- Files Added:

- Files Deleted