Here’s the table of contents:
问题出现的背景
ONgDB集群中Leader节点，存储快速增加，导致数据占满磁盘，产生大量错误事务日志，导致服务无法正常重启。
报错现象
2020-07-14 06:46:54.549+0000 ERROR Failed to start Neo4j: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@e09f1b6' was successfully initialized, but failed to start. Please see the attached cause exception "null. At position LogPosition{logVersion=10306, byteOffset=88858441} and entry version V3_0_10". Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@e09f1b6' was successfully initialized, but failed to start. Please see the attached cause exception "null. At position LogPosition{logVersion=10306, byteOffset=88858441} and entry version V3_0_10".
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.server.database.LifecycleManagingDatabase@e09f1b6' was successfully initialized, but failed to start. Please see the attached cause exception "null. At position LogPosition{logVersion=10306, byteOffset=88858441} and entry version V3_0_10".
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:473)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:111)
at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:180)
... 3 more
Caused by: java.lang.RuntimeException: Error starting org.neo4j.graphdb.facade.GraphDatabaseFacadeFactory, /home/ongdb/ongdb-enterprise-3.5.17/data/databases
at org.neo4j.graphdb.facade.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:232)
at org.neo4j.causalclustering.core.OpenEnterpriseCoreGraphDatabase.<init>(OpenEnterpriseCoreGraphDatabase.java:52)
at org.neo4j.server.enterprise.OpenEnterpriseGraphFactory.newGraphDatabase(OpenEnterpriseGraphFactory.java:43)
at org.neo4j.server.database.LifecycleManagingDatabase.start(LifecycleManagingDatabase.java:90)
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:452)
... 5 more
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.NeoStoreDataSource@77c3c037' was successfully initialized, but failed to start. Please see the attached cause exception "null. At position LogPosition{logVersion=10306, byteOffset=88858441} and entry version V3_0_10".
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:473)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:111)
at org.neo4j.kernel.impl.transaction.state.DataSourceManager.start(DataSourceManager.java:116)
at org.neo4j.causalclustering.catchup.storecopy.LocalDatabase.start(LocalDatabase.java:103)
at org.neo4j.causalclustering.core.state.CoreLife.start0(CoreLife.java:97)
at org.neo4j.kernel.lifecycle.SafeLifecycle.transition(SafeLifecycle.java:124)
at org.neo4j.kernel.lifecycle.SafeLifecycle.start(SafeLifecycle.java:138)
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:452)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:111)
at org.neo4j.graphdb.facade.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:227)
... 9 more
修改配置以顺利启动数据库
此配置会截断数据库事务日志，谨慎使用
unsupported.dbms.tx_log.fail_on_corrupted_log_files=false
PREVIOUSOngDB-GraphQL扩展
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