Question

当我使用Fuseki启动SPARQL查询时，我总是得到NullpointerException。该例外与统计计数器有关，但似乎并不是禁用统计数据的方法。请查看我的fuseki config file。我通过http://localhost/ds/query发起了POST请求。检索查询结果，但无论我发起什么样的查询，异常总是存在。关于如何防止这种异常的任何想法？

耶拿：2.12.1， Fuseki：1.1.1

10:39:17.333 [qtp541304857-19] WARN  org.apache.jena.fuseki.Server - Exception on counter inc
java.lang.NullPointerException: null
    at org.apache.jena.fuseki.servlets.SPARQL_ServletBase.incCounter(SPARQL_ServletBase.java:190) [jena-fuseki-1.1.1.jar:1.1.1]
    at org.apache.jena.fuseki.servlets.SPARQL_ServletBase.executeLifecycle(SPARQL_ServletBase.java:173) [jena-fuseki-1.1.1.jar:1.1.1]
    at org.apache.jena.fuseki.servlets.SPARQL_UberServlet.serviceDispatch(SPARQL_UberServlet.java:302) [jena-fuseki-1.1.1.jar:1.1.1]
    at org.apache.jena.fuseki.servlets.SPARQL_UberServlet.executeAction(SPARQL_UberServlet.java:210) [jena-fuseki-1.1.1.jar:1.1.1]
    at org.apache.jena.fuseki.servlets.SPARQL_ServletBase.execCommonWorker(SPARQL_ServletBase.java:140) [jena-fuseki-1.1.1.jar:1.1.1]
    at org.apache.jena.fuseki.servlets.SPARQL_ServletBase.doCommon(SPARQL_ServletBase.java:69) [jena-fuseki-1.1.1.jar:1.1.1]
    at org.apache.jena.fuseki.servlets.SPARQL_UberServlet.doPost(SPARQL_UberServlet.java:324) [jena-fuseki-1.1.1.jar:1.1.1]

计数器增量的Fuseki NullpointerException

0 个答案: