我尝试在neo4j插件中创建节点，但我有错误“TM遇到意外错误情况”。
我的错误在哪里？
这是堆栈跟踪：
org.neo4j.kernel.impl.persistence.PersistenceManager$ResourceHolder.enlist(PersistenceManager.java:412)
org.neo4j.kernel.impl.persistence.PersistenceManager$ResourceHolder.forWriting(PersistenceManager.java:394)
org.neo4j.kernel.impl.api.KernelTransactionImplementation.ensureWriteTransaction(KernelTransactionImplementation.java:190)
org.neo4j.kernel.impl.api.KernelTransactionImplementation.upgradeToDataTransaction(KernelTransactionImplementation.java:220)
org.neo4j.kernel.impl.api.KernelStatement.dataWriteOperations(KernelStatement.java:83)
org.neo4j.kernel.InternalAbstractGraphDatabase.createNode(InternalAbstractGraphDatabase.java:1110)
ru.a360.neo4j.plugins.UtilsUpdateTimetable.createTrain(UtilsUpdateTimetable.java:162)
ru.a360.neo4j.plugins.Utils.updateOrCreateTrain(Utils.java:1848)
sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:606)
org.neo4j.server.plugins.PluginMethod.invoke(PluginMethod.java:61)
org.neo4j.server.plugins.PluginManager.invoke(PluginManager.java:159)
org.neo4j.server.rest.web.ExtensionService.invokeGraphDatabaseExtension(ExtensionService.java:312)
org.neo4j.server.rest.web.ExtensionService.invokeGraphDatabaseExtension(ExtensionService.java:134)
sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:606)
com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
org.neo4j.server.rest.transactional.TransactionalRequestDispatcher.dispatch(TransactionalRequestDispatcher.java:139)
com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288)
com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469)
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400)
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349)
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339)
com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699)
javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:698)
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:505)
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:211)
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1096)
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:432)
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:175)
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1030)
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:136)
org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
org.eclipse.jetty.server.Server.handle(Server.java:445)
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:268)
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:229)
org.eclipse.jetty.io.AbstractConnection$ReadCallback.run(AbstractConnection.java:358)
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:601)
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:532)
java.lang.Thread.run(Thread.java:745)