磁盘满后未启动neo4j

Question

在出现“设备上没有空间”错误后，我的neo4j服务器无法启动。不幸的是，最后一次备份是2天前的。这是neo4j 2.0.0通过SpringData-ne4j在webapp中使用的。有什么可以做的来恢复数据库吗？日志是附加的，但我想它是通用的，以提供真正的帮助。

 org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.impl.nioneo.xa.NeoStoreXaDataSource@39931f5e' was successfully initialized, but failed to start. Please see attached cause exception.
    at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:509) ~[neo4j-kernel-2.0.1.jar:2.0.1]
    at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) ~[neo4j-kernel-2.0.1.jar:2.0.1]
    at org.neo4j.kernel.impl.transaction.XaDataSourceManager.start(XaDataSourceManager.java:164) ~[neo4j-kernel-2.0.1.jar:2.0.1]
    at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:503) ~[neo4j-kernel-2.0.1.jar:2.0.1]
    ... 68 common frames omitted

由: org.neo4j.kernel.impl.util.IoPrimitiveUtils.readAndFlip(IoPrimitiveUtils.java:122) ~ne4j处的java.lang.IllegalArgumentException: null (Buffer.java:267) ~na:1.7.0_71引起-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.nioneo.xa.Command.readDynamicRecord(Command.java:326) ~新4j-内核-2.0.1.jar:2org.neo4j.kernel.impl.nioneo.xa.Command.readDynamicRecords(Command.java:279) ~ne4j的.0.1 -内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.nioneo.xa.Command.readPropertyBlock(Command.java:249) ~ne4j-核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.nioneo.xa.Command$PropertyCommand.readPropertyRecord(Command.java:1022) ~ne4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.nioneo.xa.Command$PropertyCommand.readFromFile(Command.java:965) ~ne4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.nioneo.xa.Command.readCommand(Command.java:1456) ~ne4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.nioneo.xa.NeoStoreXaDataSource$CommandFactory.readCommand(NeoStoreXaDataSource.java:505) ~ne4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.transaction.xaframework.LogIoUtils.readTxCommandEntry(LogIoUtils.java:177) ~新4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.transaction.xaframework.LogIoUtils.readLogEntry(LogIoUtils.java:114) ~新4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.transaction.xaframework.LogIoUtils.readEntry(LogIoUtils.java:91) ~ne4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.transaction.xaframework.XaLogicalLog.readEntry(XaLogicalLog.java:858) ~ne4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.transaction.xaframework.XaLogicalLog.doInternalRecovery(XaLogicalLog.java:794) ~ne4j-内核-2.0.1org.neo4j.kernel.impl.transaction.xaframework.XaLogicalLog.open(XaLogicalLog.java:219) ~ne4j的.jar:2.0.1 -内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.transaction.xaframework.XaLogicalLog.open(XaLogicalLog.java:174) ~ne4j-.jar:2.0.1-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.transaction.xaframework.XaContainer.openLogicalLog(XaContainer.java:64) ~新4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.impl.nioneo.xa.NeoStoreXaDataSource.start(NeoStoreXaDataSource.java:383) ~新4j-内核-2.0.1.jar:2.0.1在org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:503) ~新4j-内核-2.0.1.jar:2.0.1

Answer 1

早期版本的2.0有一个已知的问题，当磁盘空间耗尽-这已经解决了最近的版本。您可以通过手动修复数据存储来恢复--但是，这是一项耗时的操作，需要对Neo4j的内部结构有大量的了解。