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 Stack Overflow by Cedric H.
, 2 years ago
java.lang.AssertionError: null at org.apache.cassandra.db.columniterator.AbstractSSTableIterator$IndexState.updateBlock(AbstractSSTableIterator.java:463)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.columniterator.SSTableIterator$ForwardIndexedReader.computeNext(SSTableIterator.java:268)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.columniterator.SSTableIterator$ForwardReader.hasNextInternal(SSTableIterator.java:158)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.columniterator.AbstractSSTableIterator$Reader.hasNext(AbstractSSTableIterator.java:352)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.columniterator.AbstractSSTableIterator.hasNext(AbstractSSTableIterator.java:219)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.columniterator.SSTableIterator.hasNext(SSTableIterator.java:32)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:95)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:32)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:369)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:189)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:158)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:426)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:286)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:95)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:32)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:108)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.rows.UnfilteredRowIteratorSerializer.serialize(UnfilteredRowIteratorSerializer.java:131)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.rows.UnfilteredRowIteratorSerializer.serialize(UnfilteredRowIteratorSerializer.java:87)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.rows.UnfilteredRowIteratorSerializer.serialize(UnfilteredRowIteratorSerializer.java:77)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$Serializer.serialize(UnfilteredPartitionIterators.java:298)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.ReadResponse$LocalDataResponse.build(ReadResponse.java:136)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.ReadResponse$LocalDataResponse.<init>(ReadResponse.java:128)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.ReadResponse$LocalDataResponse.<init>(ReadResponse.java:123)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.ReadResponse.createDataResponse(ReadResponse.java:65)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.db.ReadCommand.createResponse(ReadCommand.java:289)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:1721)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:2375)[apache-cassandra-3.0.2.jar:3.0.2] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[na:1.8.0_121] at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)[apache-cassandra-3.0.2.jar:3.0.2] at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)[apache-cassandra-3.0.2.jar:3.0.2] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_121]