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Eclipse Public License 2.0
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NullPointerException when setting background color on uninitialized charts #351

Closed Mailaender closed 1 year ago

Mailaender commented 1 year ago 
java.lang.NullPointerException: Cannot invoke "org.eclipse.swt.widgets.Composite.setBackground(org.eclipse.swt.graphics.Color)" because "this.compositeChart" is null
    at org.eclipse.swtchart.extensions.core.ScrollableChart.setBackground(ScrollableChart.java:188)
    at org.eclipse.e4.ui.css.swt.helpers.CSSSWTColorHelper.setBackground(CSSSWTColorHelper.java:363)
    at org.eclipse.e4.ui.css.swt.properties.css2.CSSPropertyBackgroundSWTHandler.applyCSSPropertyBackgroundColor(CSSPropertyBackgroundSWTHandler.java:79)
    at org.eclipse.e4.ui.css.core.dom.properties.css2.AbstractCSSPropertyBackgroundHandler.applyCSSProperty(AbstractCSSPropertyBackgroundHandler.java:43)
    at org.eclipse.e4.ui.css.swt.properties.css2.CSSPropertyBackgroundSWTHandler.applyCSSProperty(CSSPropertyBackgroundSWTHandler.java:43)
    at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746)
    at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552)
    at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426)
    at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374)
    at org.eclipse.e4.ui.css.swt.engine.CSSSWTApplyStylesListener.lambda$0(CSSSWTApplyStylesListener.java:31)
java.lang.NullPointerException: Cannot invoke "org.eclipse.swt.widgets.Composite.setBackground(org.eclipse.swt.graphics.Color)" because "this.chartSection" is null
    at org.eclipse.swtchart.extensions.core.ScrollableChart.setBackground(ScrollableChart.java:185)
    at org.eclipse.e4.ui.css.swt.helpers.CSSSWTColorHelper.setBackground(CSSSWTColorHelper.java:363)
    at org.eclipse.e4.ui.css.swt.properties.css2.CSSPropertyBackgroundSWTHandler.applyCSSPropertyBackgroundColor(CSSPropertyBackgroundSWTHandler.java:79)
    at org.eclipse.e4.ui.css.core.dom.properties.css2.AbstractCSSPropertyBackgroundHandler.applyCSSProperty(AbstractCSSPropertyBackgroundHandler.java:43)
    at org.eclipse.e4.ui.css.swt.properties.css2.CSSPropertyBackgroundSWTHandler.applyCSSProperty(CSSPropertyBackgroundSWTHandler.java:43)
    at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746)
    at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552)
    at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426)
    at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374)
    at org.eclipse.e4.ui.css.swt.engine.CSSSWTApplyStylesListener.lambda$0(CSSSWTApplyStylesListener.java:31)