Vladimir Ozerov created IGNITE-1451:
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Summary: IgfsClientCacheSelfTest.testCreateConsistencyMultithreaded fails from time to time.
Key: IGNITE-1451
URL:
https://issues.apache.org/jira/browse/IGNITE-1451 Project: Ignite
Issue Type: Bug
Components: hadoop
Affects Versions: 1.1.4
Reporter: Vladimir Ozerov
Priority: Critical
Fix For: ignite-1.5
Fails pretty rare.
{code}java.lang.AssertionError: null
at org.apache.ignite.internal.processors.igfs.IgfsImpl$15.call(IgfsImpl.java:1211)
at org.apache.ignite.internal.processors.igfs.IgfsImpl$15.call(IgfsImpl.java:1148)
at org.apache.ignite.internal.processors.igfs.IgfsImpl.safeOp(IgfsImpl.java:2162)
at org.apache.ignite.internal.processors.igfs.IgfsImpl.create0(IgfsImpl.java:1148)
at org.apache.ignite.internal.processors.igfs.IgfsImpl.create(IgfsImpl.java:1109)
at org.apache.ignite.internal.processors.igfs.IgfsAbstractSelfTest$8.run(IgfsAbstractSelfTest.java:1210)
at org.apache.ignite.testframework.GridTestUtils$7.call(GridTestUtils.java:949)
at org.apache.ignite.testframework.GridTestThread.run(GridTestThread.java:86){code}
Assertion refers to the following scenario:
{code}
IgniteUuid oldId = meta.putIfAbsent(parentId, fileName, info);
if (oldId == null)
break;
if (!overwrite)
throw new IgfsPathAlreadyExistsException("Failed to create file (file already exists): " + path);
IgfsFileInfo oldInfo = meta.info(oldId);
assert oldInfo != null;
{code}
Old info is null for some reason. Need to investigate whether assertion is valid and who may remove it concurrently.
Can it be a cache consistency issue in client mode?
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