Denis Mekhanikov created IGNITE-12794:
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Summary: Scan query fails with an assertion error: Unexpected row
key
Key: IGNITE-12794
URL: https://issues.apache.org/jira/browse/IGNITE-12794
Project: Ignite
Issue Type: Bug
Affects Versions: 2.8
Reporter: Denis Mekhanikov
Assignee: Denis Mekhanikov
Attachments: ScanQueryExample.java
Scan query fails with an exception:
{noformat}
Exception in thread "main" java.lang.AssertionError: Unexpected row key
at
org.apache.ignite.internal.processors.cache.GridCacheMapEntry.unswap(GridCacheMapEntry.java:548)
at
org.apache.ignite.internal.processors.cache.GridCacheMapEntry.unswap(GridCacheMapEntry.java:512)
at
org.apache.ignite.internal.processors.cache.query.GridCacheQueryManager$ScanQueryIterator.advance(GridCacheQueryManager.java:3045)
at
org.apache.ignite.internal.processors.cache.query.GridCacheQueryManager$ScanQueryIterator.onHasNext(GridCacheQueryManager.java:2997)
at
org.apache.ignite.internal.util.GridCloseableIteratorAdapter.hasNextX(GridCloseableIteratorAdapter.java:53)
at
org.apache.ignite.internal.util.lang.GridIteratorAdapter.hasNext(GridIteratorAdapter.java:45)
at
org.apache.ignite.internal.processors.cache.QueryCursorImpl.getAll(QueryCursorImpl.java:127)
at scan.ScanQueryExample.main(ScanQueryExample.java:31)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)"
{noformat}
The issue is reproduced when performing concurrent scan queries and updates. A
reproducer is attached. You will need to enable asserts in order to reproduce
this issue.
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