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https://issues.apache.org/jira/browse/IVYDE-136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652434#action_12652434
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Daniel Becheanu commented on IVYDE-136:
---------------------------------------
This is happening in eclipse 3.4 and RAD7.5
> When migrating from ivyde alpha to ivyde beta eclipse is throwing NPE at
> startup
> --------------------------------------------------------------------------------
>
> Key: IVYDE-136
> URL: https://issues.apache.org/jira/browse/IVYDE-136
> Project: IvyDE
> Issue Type: Bug
> Environment: Windows
> Reporter: Daniel Becheanu
>
> When migrating from ivyde alpha to ivyde beta eclipse is throwing NPE at
> startup.
> The problem seems to be in IvyDEPreferenceStoreHelper. This class tries to
> invoke IPreferenceStore.putValue with null newValue but the implementation
> from
> org.eclipse.core.internal.preferences.EclipsePreferences does not accept
> nulls.
> public void put(String key, String newValue)
> {
> if(key == null || newValue == null)
> throw new NullPointerException();
> String oldValue = internalPut(key, newValue);
> if(!newValue.equals(oldValue))
> {
> makeDirty();
> firePreferenceEvent(key, oldValue, newValue);
> }
> }
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