[birt-dev] Checkin: Fixed bugzilla 183162 OutOfMemoryError

["David Michonneau" <dmichonneau@xxxxxxxxxxx>]

- Summary:
Fixed bugzilla 183162 OutOfMemoryError

- Bugzilla Bug (s) Resolved:
183162

- Description:
The Chart auto-scaling algorithm does not handle correctly datasets with a single negative value. This sometimes results in wrong memory allocation of arrays with high number of elements, causing an out of memory error

 

Fix: Corrected the algorithm and added a safeguard check to prevent such memory allocations.

 

Fixed in 2.1.3 and 2.2 branch.

- 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/computation/withaxes/ScaleContext.java" "/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/AutoScale.java"

- Files Added:

- Files Deleted