无法恢复OrientDB备份
无法恢复OrientDB备份
提问于 2015-09-18 03:08:09
我在从备份恢复OrientDB数据库时遇到了问题。我使用的是OrientDB版本1.2.0 (这个备份是从2012年11月开始的)，备份是由OrientDB (相同版本)使用内置备份实用程序生成的。我试图使用OrientDB控制台将备份还原到一个新数据库：
create database remote:localhost/dbname root password local graph
import database backup.json但是，当我运行这些命令时，控制台中会出现以下错误：
Importing indexes ...
- Index 'dictionary'...Error on database import happened just before line 22258, column 6
com.orientechnologies.orient.core.exception.OConcurrentModificationException: Cannot update record #0:1 in storage 'dbname' because the version is not the latest. Probably you are updating an old record or it has been modified by another user (db=v2 your=v1)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at com.orientechnologies.orient.enterprise.channel.binary.OChannelBinary.createException(OChannelBinary.java:429)
at com.orientechnologies.orient.enterprise.channel.binary.OChannelBinary.handleStatus(OChannelBinary.java:382)
at com.orientechnologies.orient.enterprise.channel.binary.OChannelBinaryAsynch.beginResponse(OChannelBinaryAsynch.java:145)
at com.orientechnologies.orient.enterprise.channel.binary.OChannelBinaryAsynch.beginResponse(OChannelBinaryAsynch.java:59)
at com.orientechnologies.orient.client.remote.OStorageRemote.beginResponse(OStorageRemote.java:1556)
at com.orientechnologies.orient.client.remote.OStorageRemote.command(OStorageRemote.java:727)
at com.orientechnologies.orient.client.remote.OStorageRemoteThread.command(OStorageRemoteThread.java:191)
at com.orientechnologies.orient.core.command.OCommandRequestTextAbstract.execute(OCommandRequestTextAbstract.java:60)
at com.orientechnologies.orient.core.index.OIndexManagerRemote.dropIndex(OIndexManagerRemote.java:80)
at com.orientechnologies.orient.core.index.OIndexManagerProxy.dropIndex(OIndexManagerProxy.java:80)
at com.orientechnologies.orient.core.db.tool.ODatabaseImport.importIndexes(ODatabaseImport.java:687)
at com.orientechnologies.orient.core.db.tool.ODatabaseImport.importDatabase(ODatabaseImport.java:127)
at com.orientechnologies.orient.console.OConsoleDatabaseApp.importDatabase(OConsoleDatabaseApp.java:1419)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at com.orientechnologies.common.console.OConsoleApplication.execute(OConsoleApplication.java:238)
at com.orientechnologies.common.console.OConsoleApplication.executeCommands(OConsoleApplication.java:127)
at com.orientechnologies.common.console.OConsoleApplication.run(OConsoleApplication.java:92)
at com.orientechnologies.orient.console.OConsoleDatabaseApp.main(OConsoleDatabaseApp.java:130)所有记录都正确导入，但在索引上失败。我有相同数据库的15+备份，而且它们都有这个问题，所以它们似乎不太可能都损坏了。如何恢复我的数据库？(如果需要的话，我可以修改JSON。)
当尝试使用本地模式而不是远程模式时，我会得到一个不同的错误：
Started import of database 'local:dbname' from dbname.json...
Importing database info...OK
Importing clusters...
- Creating cluster 'internal'...OK, assigned id=0
- Creating cluster 'default'...Error on database import happened just before line 13, column 52
com.orientechnologies.orient.core.exception.OConfigurationException: Imported cluster 'default' has id=3 different from the original: 2. To continue the import drop the cluster 'manindex' that has 1 records
at com.orientechnologies.orient.core.db.tool.ODatabaseImport.importClusters(ODatabaseImport.java:544)
at com.orientechnologies.orient.core.db.tool.ODatabaseImport.importDatabase(ODatabaseImport.java:130)
at com.orientechnologies.orient.console.OConsoleDatabaseApp.importDatabase(OConsoleDatabaseApp.java:1414)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at com.orientechnologies.common.console.OConsoleApplication.execute(OConsoleApplication.java:269)
at com.orientechnologies.common.console.OConsoleApplication.executeCommands(OConsoleApplication.java:157)
at com.orientechnologies.common.console.OConsoleApplication.run(OConsoleApplication.java:97)
at com.orientechnologies.orient.graph.console.OGremlinConsole.main(OGremlinConsole.java:53)
Error: com.orientechnologies.orient.core.db.tool.ODatabaseExportException: Error on importing database 'dbname' from file: dbname.json
Error: com.orientechnologies.orient.core.exception.OConfigurationException: Imported cluster 'default' has id=3 different from the original: 2. To continue the import drop the cluster 'manindex' that has 1 records问题似乎是，我的旧集群in与新数据库中的不匹配。也许有一些创建选项会影响默认创建哪些集群？
回答 1
Stack Overflow用户
回答已采纳
发布于 2015-09-18 09:07:09
事实证明，问题是数据库是用OrientDB版本1.2.0导入的，但是是用1.0.1 (或1.0.0)创建的。JSON文件将1.2.0版列为engine-version，但这是支持它的引擎，而不是创建它的引擎。在尝试了Lvca关于使用本地模式的建议之后，我发现集群ID不匹配。从那里我猜到版本号可能不正确。因此，尽管我使用1.2.0服务器和1.2.0 Java库运行数据库，但数据库从未“升级”以使用新的1.2.0模式。
感谢Lvca在正确的方向上的推动。
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原文链接：
https://stackoverflow.com/questions/32643190
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