Nikita Tolstunov created IGNITE-13248:
-----------------------------------------

             Summary: FileWriteAheadLogManager creates 0-length WAL segments 
and cannot start later
                 Key: IGNITE-13248
                 URL: https://issues.apache.org/jira/browse/IGNITE-13248
             Project: Ignite
          Issue Type: Bug
            Reporter: Nikita Tolstunov
            Assignee: Nikita Tolstunov


Setting IGNITE_WAL_MMAP to false and walMode to LOG_ONLY produces following 
exception on node start:
{code:java}
[2020-05-18 19:55:17,362][WARN ][main][FileWriteAheadLogManager] Failed to read 
file header 
[/home/sdanilov/Development/incubator-ignite/work/db/wal/node00-c81f5b62-2288-4268-9f7c-3d8f6a02777d/0000000000000001.wal].
 Skipping this file
java.io.EOFException: EOF at position [0] expected to read [1] bytes
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.io.SimpleFileInput.ensure(SimpleFileInput.java:121)
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.io.SimpleFileInput.readByte(SimpleFileInput.java:180)
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.io.SimpleFileInput.readUnsignedByte(SimpleFileInput.java:189)
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager.readFileDescriptor(FileWriteAheadLogManager.java:1180)
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager.access$1700(FileWriteAheadLogManager.java:157)
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileArchiver.scanMinMaxArchiveIndices(FileWriteAheadLogManager.java:1767)
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileArchiver.init(FileWriteAheadLogManager.java:1709)
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileArchiver.<init>(FileWriteAheadLogManager.java:1701)
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileArchiver.<init>(FileWriteAheadLogManager.java:1687)
        at 
org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager.start0(FileWriteAheadLogManager.java:477)
        at 
org.apache.ignite.internal.processors.cache.GridCacheSharedManagerAdapter.start(GridCacheSharedManagerAdapter.java:60)
        at 
org.apache.ignite.internal.processors.cache.GridCacheProcessor.start(GridCacheProcessor.java:541)
        at 
org.apache.ignite.internal.IgniteKernal.startProcessor(IgniteKernal.java:1927)
        at org.apache.ignite.internal.IgniteKernal.start(IgniteKernal.java:1164)
        at 
org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:2072)
        at 
org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1741)
        at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1155)
        at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:675)
        at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:600)
        at org.apache.ignite.Ignition.start(Ignition.java:319)
        at 
org.apache.ignite.examples.corrupt.ZeroLengthReproducer.main(ZeroLengthReproducer.java:64)
{code}



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