java.lang.NullPointerException

XWiki.org JIRA | Jean-Vincent Drean | 7 years ago
  1. 0

    The activity stream plugin should protect itself from NPE by checking if the URL factory has been created before using it. {noformat} 2009-10-22 16:06:43,892 [http://asiri.localhost:8080/xwiki/bin/view/Main/?xpage=xpart&vm=commentsinline.vm] ERROR rnal.DefaultObservationManager - Fail to send event [org.xwiki.observation.event.DocumentUpdateEvent@ee5169] to listener [com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl@ef57f8] java.lang.NullPointerException at com.xpn.xwiki.doc.XWikiDocument.getURL(XWikiDocument.java:1134) at com.xpn.xwiki.doc.XWikiDocument.getURL(XWikiDocument.java:1148) at com.xpn.xwiki.doc.XWikiDocument.getURL(XWikiDocument.java:1153) at com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.setEventDocumentRelatedInformation(ActivityStreamImpl.java:116) at com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.prepareEvent(ActivityStreamImpl.java:154) at com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.addActivityEvent(ActivityStreamImpl.java:281) at com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.addDocumentActivityEvent(ActivityStreamImpl.java:384) at com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.addDocumentActivityEvent(ActivityStreamImpl.java:362) at com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.onEvent(ActivityStreamImpl.java:888) at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:262) at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:236) at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1339) at com.xpn.xwiki.plugin.watchlist.WatchListStore.initWatchListClass(WatchListStore.java:257) at com.xpn.xwiki.plugin.watchlist.WatchListStore.virtualInit(WatchListStore.java:323) at com.xpn.xwiki.plugin.watchlist.WatchListPlugin.virtualInit(WatchListPlugin.java:134) at com.xpn.xwiki.plugin.XWikiPluginManager.virtualInit(XWikiPluginManager.java:170) at com.xpn.xwiki.XWiki.updateDatabase(XWiki.java:871) at com.xpn.xwiki.XWiki.updateDatabase(XWiki.java:848) at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) {noformat}

    XWiki.org JIRA | 7 years ago | Jean-Vincent Drean
    java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.xpn.xwiki.doc.XWikiDocument.getURL()
    2. com.xpn.xwiki
      ActivityStreamImpl.onEvent
      1. com.xpn.xwiki.doc.XWikiDocument.getURL(XWikiDocument.java:1134)
      2. com.xpn.xwiki.doc.XWikiDocument.getURL(XWikiDocument.java:1148)
      3. com.xpn.xwiki.doc.XWikiDocument.getURL(XWikiDocument.java:1153)
      4. com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.setEventDocumentRelatedInformation(ActivityStreamImpl.java:116)
      5. com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.prepareEvent(ActivityStreamImpl.java:154)
      6. com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.addActivityEvent(ActivityStreamImpl.java:281)
      7. com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.addDocumentActivityEvent(ActivityStreamImpl.java:384)
      8. com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.addDocumentActivityEvent(ActivityStreamImpl.java:362)
      9. com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.onEvent(ActivityStreamImpl.java:888)
      9 frames
    3. org.xwiki.observation
      DefaultObservationManager.notify
      1. org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:262)
      2. org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:236)
      2 frames
    4. com.xpn.xwiki
      XWiki.getXWiki
      1. com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1339)
      2. com.xpn.xwiki.plugin.watchlist.WatchListStore.initWatchListClass(WatchListStore.java:257)
      3. com.xpn.xwiki.plugin.watchlist.WatchListStore.virtualInit(WatchListStore.java:323)
      4. com.xpn.xwiki.plugin.watchlist.WatchListPlugin.virtualInit(WatchListPlugin.java:134)
      5. com.xpn.xwiki.plugin.XWikiPluginManager.virtualInit(XWikiPluginManager.java:170)
      6. com.xpn.xwiki.XWiki.updateDatabase(XWiki.java:871)
      7. com.xpn.xwiki.XWiki.updateDatabase(XWiki.java:848)
      8. com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482)
      8 frames