[jira] [Created] (IGNITE-8404) NPE when shutting down non-initialized mapped file memory provier

["Alexey Goncharuk (JIRA)" <ji...@apache.org>]

Alexey Goncharuk created IGNITE-8404:
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             Summary: NPE when shutting down non-initialized mapped file memory provier
                 Key: IGNITE-8404
                 URL: https://issues.apache.org/jira/browse/IGNITE-8404
             Project: Ignite
          Issue Type: Bug
            Reporter: Alexey Goncharuk
            Assignee: Alexey Goncharuk


If a node has mapped file memory provider and node initialization fails, I get the following exception:
{code}
java.lang.NullPointerException
    at org.apache.ignite.internal.mem.file.MappedFileMemoryProvider.shutdown(MappedFileMemoryProvider.java:97)
    at org.apache.ignite.internal.pagemem.impl.PageMemoryNoStoreImpl.stop(PageMemoryNoStoreImpl.java:239)
    at org.apache.ignite.internal.processors.cache.persistence.IgniteCacheDatabaseSharedManager.stop0(IgniteCacheDatabaseSharedManager.java:649)
    at org.apache.ignite.internal.processors.cache.GridCacheSharedManagerAdapter.stop(GridCacheSharedManagerAdapter.java:94)
    at org.apache.ignite.internal.processors.cache.GridCacheProcessor.stop(GridCacheProcessor.java:888)
    at org.apache.ignite.internal.IgniteKernal.stop0(IgniteKernal.java:2109)
    at org.apache.ignite.internal.IgniteKernal.stop(IgniteKernal.java:1987)
    at org.apache.ignite.internal.IgniteKernal.start(IgniteKernal.java:1074)
    at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1973)
    at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1716)
    at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1144)
    at org.apache.ignite.internal.IgnitionEx.startConfigurations(IgnitionEx.java:1062)
    at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:948)
    at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:847)
    at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:717)
    at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:686)
    at org.apache.ignite.Ignition.start(Ignition.java:347)
    at org.apache.ignite.startup.cmdline.CommandLineStartup.main(CommandLineStartup.java:302)
{code}

The cause is obvious - we try to access an uninitialized field.



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