Sergey Chugunov created IGNITE-17867:
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Summary: Node fails to start if cpMapSnapshot.bin is empty
Key: IGNITE-17867
URL: https://issues.apache.org/jira/browse/IGNITE-17867
Project: Ignite
Issue Type: Bug
Components: persistence
Reporter: Sergey Chugunov
Fix For: 2.15
Scenario for cpMapSnapshot.bin to become empty isn't known but we need to
protect against it anyway.
When it is empty starting node fails with the following exception:
{code:java}
[2022-08-16T15:10:46,280][ERROR][main][IgniteKernal] Exception during start
processors, node will be stopped and close connections
org.apache.ignite.IgniteCheckedException: Failed to deserialize object with
given class loader: sun.misc.Launcher$AppClassLoader@3d4eac69
at
org.apache.ignite.marshaller.jdk.JdkMarshaller.unmarshal0(JdkMarshaller.java:131)
~[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.marshaller.jdk.JdkMarshaller.unmarshal0(JdkMarshaller.java:138)
~[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.marshaller.AbstractNodeNameAwareMarshaller.unmarshal(AbstractNodeNameAwareMarshaller.java:80)
~[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointMarkersStorage.initialize(CheckpointMarkersStorage.java:198)
~[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointManager.initializeStorage(CheckpointManager.java:313)
~[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.readMetastore(GridCacheDatabaseSharedManager.java:846)
~[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.notifyMetaStorageSubscribersOnReadyForRead(GridCacheDatabaseSharedManager.java:3252)
~[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.internal.IgniteKernal.start(IgniteKernal.java:1209)
[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1784)
[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1706)
[ignite-core-8.8.15.jar:8.8.15]
at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1143)
[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.internal.IgnitionEx.startConfigurations(IgnitionEx.java:1058)
[ignite-core-8.8.15.jar:8.8.15]
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:944)
[ignite-core-8.8.15.jar:8.8.15]
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:843)
[ignite-core-8.8.15.jar:8.8.15]
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:713)
[ignite-core-8.8.15.jar:8.8.15]
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:682)
[ignite-core-8.8.15.jar:8.8.15]
at org.apache.ignite.Ignition.start(Ignition.java:344)
[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.startup.cmdline.CommandLineStartup.main(CommandLineStartup.java:358)
[ignite-core-8.8.15.jar:8.8.15]
Caused by: java.io.EOFException
at java.io.ObjectInputStream$PeekInputStream.readFully(Unknown Source)
~[?:1.8.0_333]
at java.io.ObjectInputStream$BlockDataInputStream.readShort(Unknown
Source) ~[?:1.8.0_333]
at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
~[?:1.8.0_333]
at java.io.ObjectInputStream.<init>(Unknown Source) ~[?:1.8.0_333]
at
org.apache.ignite.marshaller.jdk.JdkMarshallerObjectInputStream.<init>(JdkMarshallerObjectInputStream.java:42)
~[ignite-core-8.8.15.jar:8.8.15]
at
org.apache.ignite.marshaller.jdk.JdkMarshaller.unmarshal0(JdkMarshaller.java:121)
~[ignite-core-8.8.15.jar:8.8.15]
... 17 more
{code}
Initializing code relies on catching IOException but it gets wrapped into
IgniteCheckedException in unmarshalling code and misses the catch block.
We need to implement a protection against this situation (how we get into it is
a question beyond the scope of the ticket) and do a correct clean-up of an
empty file.
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