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 Apache's JIRA Issue Tracker by Leonid Shalupov, 1 year ago
java.lang.AssertionError: null at org.apache.cassandra.io.sstable.IndexSummaryBuilder.build(IndexSummaryBuilder.java:133)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.io.sstable.IndexSummaryBuilder.build(IndexSummaryBuilder.java:128)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.io.sstable.SSTableWriter.finish(SSTableWriter.java:476)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.io.sstable.SSTableWriter.closeAndOpenReader(SSTableWriter.java:459)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.io.sstable.SSTableRewriter.finishAndMaybeThrowWindows(SSTableRewriter.java:394)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.io.sstable.SSTableRewriter.finishAndMaybeThrow(SSTableRewriter.java:353)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.io.sstable.SSTableRewriter.finish(SSTableRewriter.java:341)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.io.sstable.SSTableRewriter.finish(SSTableRewriter.java:321)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:213)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:76)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:227)[apache-cassandra-2.1.1.jar:2.1.2-SNAPSHOT] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[na:1.8.0_25] at java.util.concurrent.FutureTask.run(FutureTask.java:266)[na:1.8.0_25] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[na:1.8.0_25] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[na:1.8.0_25] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_25]