Explanation of error NoClassDefFoundError: org/neo4j/kernel/impl/util/JobScheduler
Upon upgrading to Neo4j 3.3, if you were previously using APOC, and
did not download and install the version of APOC for 3.3 bin\neo4j start
will fail.
The contents of your $NEO4J_HOME/logs/neo4j.log will appear similar to.
2017-11-07 20:38:38.245+0000 INFO Bolt enabled on 0.0.0.0:7687. 2017-11-07 20:38:38.265+0000 ERROR Failed to start Neo4j: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@c73c26' was successfully initialized, but failed to start. Please see the attached cause exception "org.neo4j.kernel.impl.util.JobScheduler". Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@c73c26' was successfully initialized, but failed to start. Please see the attached cause exception "org.neo4j.kernel.impl.util.JobScheduler". org.neo4j.server.ServerStartupException: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@c73c26' was successfully initialized, but failed to start. Please see the attached cause exception "org.neo4j.kernel.impl.util.JobScheduler". at org.neo4j.server.exception.ServerStartupErrors.translateToServerStartupError(ServerStartupErrors.java:68) at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:218) at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:111) at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:79) at org.neo4j.server.enterprise.CommercialEntryPoint.main(CommercialEntryPoint.java:22) Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.server.database.LifecycleManagingDatabase@c73c26' was successfully initialized, but failed to start. Please see the attached cause exception "org.neo4j.kernel.impl.util.JobScheduler". at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:466) at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107) at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:210) ... 3 more Caused by: java.lang.RuntimeException: Error starting org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory, /home/neo4j/neo4j-enterprise-3.3.0/data/databases/graph.db.out at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:211) at org.neo4j.kernel.enterprise.EnterpriseGraphDatabase.<init>(EnterpriseGraphDatabase.java:36) at org.neo4j.server.enterprise.EnterpriseNeoServer.lambda$static$1(EnterpriseNeoServer.java:75) at org.neo4j.server.database.LifecycleManagingDatabase.start(LifecycleManagingDatabase.java:88) at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:445) ... 5 more Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.extension.KernelExtensions@165be2d' failed to initialize. Please see the attached cause exception "org.neo4j.kernel.impl.util.JobScheduler". at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:427) at org.neo4j.kernel.lifecycle.LifeSupport.init(LifeSupport.java:62) at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:98) at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:207) ... 9 more Caused by: java.lang.NoClassDefFoundError: org/neo4j/kernel/impl/util/JobScheduler at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) at java.lang.Class.privateGetPublicMethods(Class.java:2902) at java.lang.Class.getMethods(Class.java:1615) at sun.misc.ProxyGenerator.generateClassFile(ProxyGenerator.java:451) at sun.misc.ProxyGenerator.generateProxyClass(ProxyGenerator.java:339) at java.lang.reflect.Proxy$ProxyClassFactory.apply(Proxy.java:639) at java.lang.reflect.Proxy$ProxyClassFactory.apply(Proxy.java:557) at java.lang.reflect.WeakCache$Factory.get(WeakCache.java:230) at java.lang.reflect.WeakCache.get(WeakCache.java:127) at java.lang.reflect.Proxy.getProxyClass0(Proxy.java:419) at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:719) at org.neo4j.kernel.impl.util.DependenciesProxy.dependencies(DependenciesProxy.java:55) at org.neo4j.kernel.extension.KernelExtensions.getKernelExtensionDependencies(KernelExtensions.java:125) at org.neo4j.kernel.extension.KernelExtensions.init(KernelExtensions.java:58) at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:406) ... 12 more Caused by: java.lang.ClassNotFoundException: org.neo4j.kernel.impl.util.JobScheduler at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 28 more 2017-11-07 20:38:38.268+0000 INFO Neo4j Server shutdown initiated by request
To resolve this error download and install the version of APOC for 3.3 and as detailed here
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