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https://issues.apache.org/jira/browse/WEEX-197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adam Feng resolved WEEX-197.
----------------------------
Resolution: Fixed
> WXScroller Add Child NullPointerException
> -----------------------------------------
>
> Key: WEEX-197
> URL: https://issues.apache.org/jira/browse/WEEX-197
> Project: Weex
> Issue Type: Bug
> Reporter: codefurture
> Assignee: Adam Feng
> Priority: Major
>
> WXScroller Add Child NullPointerException。 ErrorStack Trace：
> Process Name: 'com.wudaokou.hippo'
> Thread Name: 'WeeXDomThread'
> Back traces starts.
> java.lang.NullPointerException: Attempt to invoke virtual method 'int
> com.taobao.weex.ui.component.WXComponent.getLayoutTopOffsetForSibling()' on a
> null object reference
> at com.taobao.weex.ui.component.WXScroller.addChild(WXScroller.java:293)
> at com.taobao.weex.ui.component.WXVContainer.addChild(WXVContainer.java:268)
> at
> com.taobao.weex.dom.action.AbstractAddElementAction.generateComponentTree(AbstractAddElementAction.java:67)
> at
> com.taobao.weex.dom.action.AbstractAddElementAction.generateComponentTree(AbstractAddElementAction.java:67)
> at
> com.taobao.weex.dom.action.AddElementAction.createComponent(AddElementAction.java:63)
> at
> com.taobao.weex.dom.action.AbstractAddElementAction.addDomInternal(AbstractAddElementAction.java:119)
> at
> com.taobao.weex.dom.action.AddElementAction.executeDom(AddElementAction.java:99)
> at com.taobao.weex.dom.WXDomManager.executeAction(WXDomManager.java:184)
> at com.taobao.weex.dom.WXDomHandler.handleMessage(WXDomHandler.java:76)
> at
> com.taobao.weex.common.WXThread$SafeCallback.handleMessage(WXThread.java:73)
> at android.os.Handler.dispatchMessage(Handler.java:98)
> at android.os.Looper.loop(Looper.java:158)
> at android.os.HandlerThread.run(HandlerThread.java:61)
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