Denis Mekhanikov created IGNITE-13642: -----------------------------------------
Summary: Nodes fail when they meet objects of unknown type in metastorage Key: IGNITE-13642 URL: https://issues.apache.org/jira/browse/IGNITE-13642 Project: Ignite Issue Type: Bug Affects Versions: 2.9 Reporter: Denis Mekhanikov When a node sees an object of a class that is missing on this node's classpath, it fails with the following exception: {noformat} [16:46:47,134][SEVERE][disco-notifier-worker-#41][] Critical system error detected. Will be handled accordingly to configured handler [hnd=StopNodeOrHaltFailureHandler [tryStop=false, timeout=0, super=AbstractFailureHandler [ignoredFailureTypes=UnmodifiableSet [SYSTEM_WORKER_BLOCKED, SYSTEM_CRITICAL_OPERATION_TIMEOUT]]], failureCtx=FailureContext [type=CRITICAL_ERROR, err=class o.a.i.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$AppClassLoader@764c12b6, cls=example.ClientNode$BamboozleClass]]] 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$AppClassLoader@764c12b6, cls=example.ClientNode$BamboozleClass] at org.apache.ignite.marshaller.jdk.JdkMarshaller.unmarshal0(JdkMarshaller.java:128) at org.apache.ignite.marshaller.jdk.JdkMarshaller.unmarshal0(JdkMarshaller.java:138) at org.apache.ignite.marshaller.AbstractNodeNameAwareMarshaller.unmarshal(AbstractNodeNameAwareMarshaller.java:80) at org.apache.ignite.internal.processors.metastorage.persistence.DistributedMetaStorageUtil.unmarshal(DistributedMetaStorageUtil.java:61) at org.apache.ignite.internal.processors.metastorage.persistence.DistributedMetaStorageImpl.completeWrite(DistributedMetaStorageImpl.java:1161) at org.apache.ignite.internal.processors.metastorage.persistence.DistributedMetaStorageImpl.onUpdateMessage(DistributedMetaStorageImpl.java:1089) at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.onDiscovery0(GridDiscoveryManager.java:650) at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.lambda$onDiscovery$0(GridDiscoveryManager.java:521) at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body0(GridDiscoveryManager.java:2718) at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body(GridDiscoveryManager.java:2756) at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:119) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.ClassNotFoundException: example.ClientNode$BamboozleClass at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) 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:9061) at org.apache.ignite.marshaller.jdk.JdkMarshallerObjectInputStream.resolveClass(JdkMarshallerObjectInputStream.java:58) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1925) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1808) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2099) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423) at org.apache.ignite.marshaller.jdk.JdkMarshaller.unmarshal0(JdkMarshaller.java:123) ... 11 more{noformat} The result is that one node can write an object of some custom class to the metastorage and make all other nodes fail. The following reproducer can be used: {code:java} public class ClientNode { public static void main(String[] args) throws IgniteCheckedException { IgniteConfiguration igniteCfg = nodeConfiguration().setClientMode(true); IgniteKernal ignite = (IgniteKernal) Ignition.start(igniteCfg); DistributedMetaStorage metaStorage = ignite.context().distributedMetastorage(); metaStorage.write("hey", new BamboozleClass()); } private static IgniteConfiguration nodeConfiguration() { IgniteConfiguration igniteCfg = new IgniteConfiguration(); TcpDiscoverySpi discoverySpi = new TcpDiscoverySpi(); discoverySpi.setIpFinder(new TcpDiscoveryVmIpFinder() .setAddresses(Collections.singleton("127.0.0.1:47500..47600"))); igniteCfg.setDiscoverySpi(discoverySpi); return igniteCfg; } public static class BamboozleClass implements Serializable { } }{code} -- This message was sent by Atlassian Jira (v8.3.4#803005)