I have a Dspace 4.2 instalation that throw the following Exception. The same code work at my PC and other server. This problem avoid statistical data to be registered.
has anyone had a similar problem?
ERROR org.dspace.statistics.SolrLoggerUsageEventListener @
java.lang.NullPointerException
at
org.dspace.statistics.util.SpiderDetector.isSpider(SpiderDetector.java:208)
at
org.dspace.statistics.util.SpiderDetector.isSpider(SpiderDetector.java:258)
at
org.dspace.statistics.SolrLogger.getCommonSolrDoc(SolrLogger.java:287)
at org.dspace.statistics.SolrLogger.postSearch(SolrLogger.java:469)
at
org.dspace.statistics.SolrLoggerUsageEventListener.receiveEvent(SolrLoggerUsageEventListener.java:51)
at
org.dspace.services.events.SystemEventService.fireLocalEvent(SystemEventService.java:144)
at
org.dspace.services.events.SystemEventService.fireEvent(SystemEventService.java:86)
at
org.dspace.app.xmlui.cocoon.SearchLoggerAction.act(SearchLoggerAction.java:65)
at
org.apache.cocoon.sitemap.impl.DefaultExecutor.invokeAction(DefaultExecutor.java:55)
at
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:105)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
at
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
at
You are experiencing following bug: https://jira.duraspace.org/browse/DS-2355