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https://issues.apache.org/jira/browse/IGNITE-12766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17056766#comment-17056766
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Vyacheslav Koptilin commented on IGNITE-12766:
----------------------------------------------
Hi [~Pavlukhin],
I think that a placeholder which delegates all method calls to a moved
LocalAffinityFunction should work. I am going to try this approach.
> Node startup can be broken in case of using Local cache with persistence
> enabled.
> ---------------------------------------------------------------------------------
>
> Key: IGNITE-12766
> URL: https://issues.apache.org/jira/browse/IGNITE-12766
> Project: Ignite
> Issue Type: Bug
> Reporter: Vyacheslav Koptilin
> Assignee: Vyacheslav Koptilin
> Priority: Major
> Fix For: 2.9
>
>
> Trying to upgrade from the previous version of Apache Ignite (AI 2.7.6 for
> example) may result in the following exception when Local cache is used and
> persistence enabled.
> {code}
> [2020-03-05 16:47:39,222][ERROR][main][IgniteKernal] Exception during start
> processors, node will be stopped and close connections[2020-03-05
> 16:47:39,222][ERROR][main][IgniteKernal] Exception during start processors,
> node will be stopped and close connectionsclass
> org.apache.ignite.IgniteCheckedException: An error occurred during cache
> configuration loading from file [file=...] at
> org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.readCacheData(FilePageStoreManager.java:965)
> at
> org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.readCacheConfigurations(FilePageStoreManager.java:907)
> at
> org.apache.ignite.internal.processors.cache.GridLocalConfigManager.restoreCaches(GridLocalConfigManager.java:171)
> at
> org.apache.ignite.internal.processors.cache.GridLocalConfigManager.restoreCacheConfigurations(GridLocalConfigManager.java:124)
> at
> org.apache.ignite.internal.processors.cache.GridCacheProcessor$CacheRecoveryLifecycle.onReadyForRead(GridCacheProcessor.java:5198)
> at
> org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.notifyMetastorageReadyForRead(GridCacheDatabaseSharedManager.java:488)
> at
> org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.readMetastore(GridCacheDatabaseSharedManager.java:824)
> at
> org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.notifyMetaStorageSubscribersOnReadyForRead(GridCacheDatabaseSharedManager.java:5378)
> at org.apache.ignite.internal.IgniteKernal.start(IgniteKernal.java:1286) at
> org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:2054)
> at
> org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1704)
> at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1117) at
> org.apache.ignite.internal.IgnitionEx.startConfigurations(IgnitionEx.java:1035)
> at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:921) at
> org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:820) at
> org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:690) at
> org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:659) at
> org.apache.ignite.Ignition.start(Ignition.java:346) at
> org.apache.ignite.examples.ExampleNodeStartup.main(ExampleNodeStartup.java:38)Caused
> by: class org.apache.ignite.IgniteCheckedException: Failed to find class
> with given class loader for unmarshalling (make sure same versions of all
> classes are available on all nodes or enable peer-class-loading)
> [clsLdr=sun.misc.Launcher$AppClassLoader@18b4aac2,
> cls=org.apache.ignite.internal.processors.cache.GridCacheProcessor$LocalAffinityFunction]
> at
> org.apache.ignite.marshaller.jdk.JdkMarshaller.unmarshal0(JdkMarshaller.java:129)
> at
> org.apache.ignite.marshaller.AbstractNodeNameAwareMarshaller.unmarshal(AbstractNodeNameAwareMarshaller.java:93)
> at
> org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.readCacheData(FilePageStoreManager.java:961)
> ... 18 moreCaused by: java.lang.ClassNotFoundException:
> org.apache.ignite.internal.processors.cache.GridCacheProcessor$LocalAffinityFunction
> at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at
> java.lang.ClassLoader.loadClass(ClassLoader.java:424) at
> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) at
> java.lang.ClassLoader.loadClass(ClassLoader.java:357) at
> java.lang.Class.forName0(Native Method) at
> java.lang.Class.forName(Class.java:348) at
> org.apache.ignite.internal.util.IgniteUtils.forName(IgniteUtils.java:8870) at
> org.apache.ignite.marshaller.jdk.JdkMarshallerObjectInputStream.resolveClass(JdkMarshallerObjectInputStream.java:59)
> at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1826)
> at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1713) at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2000) at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1535) at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2245) at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2169) at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2027) at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1535) at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2245) at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2169) at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2027) at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1535) at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:422) at
> org.apache.ignite.marshaller.jdk.JdkMarshaller.unmarshal0(JdkMarshaller.java:124)
> ... 20 more{code}
> The issue is caused by IGNITE-12656. To be more precise, the root cause of
> {{ClassNotFoundException}} is the fact of moving {{LocalAffinityFunction}} to
> a separate class.
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