java.lang.NullPointerException: This exception has no message.

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by skodape
, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at org.eclipse.rdf4j.query.algebra.evaluation.iterator.OrderIterator$1.getNextElement(OrderIterator.java:177)
at org.eclipse.rdf4j.query.algebra.evaluation.iterator.OrderIterator$1.getNextElement(OrderIterator.java:165)
at org.eclipse.rdf4j.common.iteration.LookAheadIteration.lookAhead(LookAheadIteration.java:78)
at org.eclipse.rdf4j.common.iteration.LookAheadIteration.hasNext(LookAheadIteration.java:48)
at org.eclipse.rdf4j.common.iteration.DelayedIteration.hasNext(DelayedIteration.java:68)
at org.eclipse.rdf4j.common.iteration.IterationWrapper.hasNext(IterationWrapper.java:56)
at org.eclipse.rdf4j.common.iteration.FilterIteration.findNextElement(FilterIteration.java:69)
at org.eclipse.rdf4j.common.iteration.FilterIteration.hasNext(FilterIteration.java:44)
at org.eclipse.rdf4j.common.iteration.ConvertingIteration.hasNext(ConvertingIteration.java:62)
at org.eclipse.rdf4j.common.iteration.ConvertingIteration.hasNext(ConvertingIteration.java:62)
at org.eclipse.rdf4j.common.iteration.IterationWrapper.hasNext(IterationWrapper.java:56)
at org.eclipse.rdf4j.common.iteration.FilterIteration.findNextElement(FilterIteration.java:69)
at org.eclipse.rdf4j.common.iteration.FilterIteration.hasNext(FilterIteration.java:44)
at org.eclipse.rdf4j.common.iteration.IterationWrapper.hasNext(IterationWrapper.java:56)
at org.eclipse.rdf4j.sail.base.SailClosingIteration.hasNext(SailClosingIteration.java:86)
at org.eclipse.rdf4j.common.iteration.IterationWrapper.hasNext(IterationWrapper.java:56)
at org.eclipse.rdf4j.sail.helpers.SailBaseIteration.hasNext(SailBaseIteration.java:44)
at org.eclipse.rdf4j.common.iteration.IterationWrapper.hasNext(IterationWrapper.java:56)
at org.eclipse.rdf4j.common.iteration.FilterIteration.findNextElement(FilterIteration.java:69)
at org.eclipse.rdf4j.common.iteration.FilterIteration.hasNext(FilterIteration.java:44)
at org.eclipse.rdf4j.common.iteration.ConvertingIteration.hasNext(ConvertingIteration.java:62)
at org.eclipse.rdf4j.common.iteration.IterationWrapper.hasNext(IterationWrapper.java:56)
at org.eclipse.rdf4j.common.iteration.Iterations.addAll(Iterations.java:72)
at org.eclipse.rdf4j.common.iteration.Iterations.asList(Iterations.java:37)
at eu.skodape.sandbox.rdf4j.ConstructSelectOrderRand.lambda$main$0(ConstructSelectOrderRand.java:62)
at org.eclipse.rdf4j.repository.util.Repositories.lambda$graphQuery$16(Repositories.java:289)
at org.eclipse.rdf4j.repository.util.Repositories.get(Repositories.java:127)
at org.eclipse.rdf4j.repository.util.Repositories.graphQuery(Repositories.java:286)
at eu.skodape.sandbox.rdf4j.ConstructSelectOrderRand.main(ConstructSelectOrderRand.java:61)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.