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Posted to dev@hugegraph.apache.org by "liaobing (via GitHub)" <gi...@apache.org> on 2024/12/10 06:48:38 UTC
[I] [Question] 底层Cassandra迁移之后hugegraph无法启动 [incubator-hugegraph]
liaobing opened a new issue, #2705:
URL: https://github.com/apache/incubator-hugegraph/issues/2705
### Problem Type (问题类型)
other exception / error (其他异常报错)
### Before submit
- [X] 我已经确认现有的 [Issues](https://github.com/apache/hugegraph/issues) 与 [FAQ](https://hugegraph.apache.org/docs/guides/faq/) 中没有相同 / 重复问题 (I have confirmed and searched that there are no similar problems in the historical issue and documents)
### Environment (环境信息)
- Server Version: 0.11.2(Apache Release Version)
- Cassandra 3.11.9
- Backend: RocksDB x nodes, HDD or SSD
- OS: xx CPUs, xx G RAM, Ubuntu 2x.x / CentOS 7.x
- Data Size: xx vertices, xx edges <!-- (like 1000W 点, 9000W 边) -->
### Your Question (问题描述)
1.底层存储的Cassandra发生迁移之后，访问的地址不变
2.迁移之后底层的表目前都存在 库名：cassandra01
3.启动hugegraph连着Cassandra无法启动
4.详细报错如下：Dec 10, 2024 6:27:28 AM org.glassfish.grizzly.http.server.NetworkListener shutdownNow
INFO: Stopped listener bound to [0.0.0.0:8080]
2024-12-10 06:27:28 6591 [main] [ERROR] com.baidu.hugegraph.dist.HugeGraphServer [] - HugeRestServer start error:
com.baidu.hugegraph.backend.BackendException: The backend store of 'cassandra01' has not been initialized
at com.baidu.hugegraph.core.GraphManager.checkBackendVersionOrExit(GraphManager.java:217) ~[hugegraph-api-0.11.2.jar:0.58.0.0]
at com.baidu.hugegraph.core.GraphManager.<init>(GraphManager.java:77) ~[hugegraph-api-0.11.2.jar:0.58.0.0]
at com.baidu.hugegraph.server.ApplicationConfig$GraphManagerFactory$1.onEvent(ApplicationConfig.java:108) ~[hugegraph-api-0.11.2.jar:0.58.0.0]
at org.glassfish.jersey.server.internal.monitoring.CompositeApplicationEventListener.onEvent(CompositeApplicationEventListener.java:74) ~[jersey-server-2.25.1.jar:?]
at org.glassfish.jersey.server.internal.monitoring.MonitoringContainerListener.onStartup(MonitoringContainerListener.java:81) ~[jersey-server-2.25.1.jar:?]
at org.glassfish.jersey.server.ApplicationHandler.onStartup(ApplicationHandler.java:1180) ~[jersey-server-2.25.1.jar:?]
at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.start(GrizzlyHttpContainer.java:357) ~[jersey-container-grizzly2-http-2.25.1.jar:?]
at org.glassfish.grizzly.http.server.HttpHandlerChain.start(HttpHandlerChain.java:398) ~[grizzly-http-server-2.4.4.jar:2.4.4]
at org.glassfish.grizzly.http.server.HttpServer.setupHttpHandler(HttpServer.java:293) ~[grizzly-http-server-2.4.4.jar:2.4.4]
at org.glassfish.grizzly.http.server.HttpServer.start(HttpServer.java:269) ~[grizzly-http-server-2.4.4.jar:2.4.4]
at com.baidu.hugegraph.server.RestServer.start(RestServer.java:64) ~[hugegraph-api-0.11.2.jar:0.58.0.0]
at com.baidu.hugegraph.server.RestServer.start(RestServer.java:133) ~[hugegraph-api-0.11.2.jar:0.58.0.0]
at com.baidu.hugegraph.dist.HugeRestServer.start(HugeRestServer.java:58) ~[hugegraph-dist-0.11.2.jar:?]
at com.baidu.hugegraph.dist.HugeGraphServer.<init>(HugeGraphServer.java:55) [hugegraph-dist-0.11.2.jar:?]
at com.baidu.hugegraph.dist.HugeGraphServer.main(HugeGraphServer.java:100) [hugegraph-dist-0.11.2.jar:?]
2024-12-10 06:27:28 6605 [main] [INFO ] org.apache.tinkerpop.gremlin.server.GremlinServer [] - Shutting down OpProcessor[]
2024-12-10 06:27:28 6605 [main] [INFO ] org.apache.tinkerpop.gremlin.server.GremlinServer [] - Shutting down OpProcessor[session]
2024-12-10 06:27:28 6606 [main] [INFO ] org.apache.tinkerpop.gremlin.server.GremlinServer [] - Shutting down OpProcessor[traversal]
2024-12-10 06:27:28 6607 [main] [INFO ] org.apache.tinkerpop.gremlin.server.GremlinServer [] - Shutting down thread pools.
2024-12-10 06:27:28 6608 [gremlin-server-stop] [INFO ] org.apache.tinkerpop.gremlin.server.GremlinServer [] - Executing shutdown LifeCycleHook
2024-12-10 06:27:28 6608 [gremlin-server-stop] [INFO ] org.apache.tinkerpop.gremlin.server.GremlinServer [] - Executed once at shutdown of Gremlin Server.
.2024-12-10 06:27:30 8810 [gremlin-server-stop] [INFO ] com.baidu.hugegraph.HugeGraph [] - Close graph standardhugegraph[cassandra01]
2024-12-10 06:27:30 8832 [gremlin-server-stop] [WARN ] org.apache.tinkerpop.gremlin.server.GremlinServer [] - Exception while closing Graph instance [hugegraph]
java.lang.IllegalStateException: Ensure tx closed in all threads when closing graph 'cassandra01'
at com.google.common.base.Preconditions.checkState(Preconditions.java:531) ~[guava-25.1-jre.jar:?]
at com.baidu.hugegraph.util.E.checkState(E.java:68) ~[hugegraph-common-1.8.1.jar:1.8.1.0]
at com.baidu.hugegraph.StandardHugeGraph.close(StandardHugeGraph.java:816) ~[hugegraph-core-0.11.2.jar:0.11.2.0]
at org.apache.tinkerpop.gremlin.server.GremlinServer.lambda$null$7(GremlinServer.java:298) ~[gremlin-server-3.4.3.jar:3.4.3]
at java.util.concurrent.ConcurrentHashMap$KeySetView.forEach(ConcurrentHashMap.java:4649) ~[?:1.8.0_292]
at org.apache.tinkerpop.gremlin.server.GremlinServer.lambda$stop$8(GremlinServer.java:295) ~[gremlin-server-3.4.3.jar:3.4.3]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_292]
2024-12-10 06:27:30 8832 [gremlin-server-stop] [INFO ] org.apache.tinkerpop.gremlin.server.GremlinServer [] - Closed Graph instance [hugegraph]
2024-12-10 06:27:30 8832 [gremlin-server-stop] [INFO ] org.apache.tinkerpop.gremlin.server.GremlinServer [] - Gremlin Server - shutdown complete
Exception in thread "main" com.baidu.hugegraph.backend.BackendException: The backend store of 'cassandra01' has not been initialized
at com.baidu.hugegraph.core.GraphManager.checkBackendVersionOrExit(GraphManager.java:217)
at com.baidu.hugegraph.core.GraphManager.<init>(GraphManager.java:77)
at com.baidu.hugegraph.server.ApplicationConfig$GraphManagerFactory$1.onEvent(ApplicationConfig.java:108)
at org.glassfish.jersey.server.internal.monitoring.CompositeApplicationEventListener.onEvent(CompositeApplicationEventListener.java:74)
at org.glassfish.jersey.server.internal.monitoring.MonitoringContainerListener.onStartup(MonitoringContainerListener.java:81)
at org.glassfish.jersey.server.ApplicationHandler.onStartup(ApplicationHandler.java:1180)
at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.start(GrizzlyHttpContainer.java:357)
at org.glassfish.grizzly.http.server.HttpHandlerChain.start(HttpHandlerChain.java:398)
at org.glassfish.grizzly.http.server.HttpServer.setupHttpHandler(HttpServer.java:293)
at org.glassfish.grizzly.http.server.HttpServer.start(HttpServer.java:269)
at com.baidu.hugegraph.server.RestServer.start(RestServer.java:64)
at com.baidu.hugegraph.server.RestServer.start(RestServer.java:133)
at com.baidu.hugegraph.dist.HugeRestServer.start(HugeRestServer.java:58)
at com.baidu.hugegraph.dist.HugeGraphServer.<init>(HugeGraphServer.java:55)
at com.baidu.hugegraph.dist.HugeGraphServer.main(HugeGraphServer.java:100)
The operation timed out when attempting to connect to http://0.0.0.0:8080/graphs
### Vertex/Edge example (问题点 / 边数据举例)
_No response_
### Schema [VertexLabel, EdgeLabel, IndexLabel] (元数据结构)
_No response_
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Re: [I] [Question] 底层Cassandra迁移之后hugegraph无法启动 [incubator-hugegraph]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] closed issue #2705: [Question] 底层Cassandra迁移之后hugegraph无法启动
URL: https://github.com/apache/incubator-hugegraph/issues/2705
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Re: [I] [Question] 底层Cassandra迁移之后hugegraph无法启动 [incubator-hugegraph]
Posted by "dosubot[bot] (via GitHub)" <gi...@apache.org>.
dosubot[bot] commented on issue #2705:
URL: https://github.com/apache/incubator-hugegraph/issues/2705#issuecomment-2530595068
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Re: [I] [Question] 底层Cassandra迁移之后hugegraph无法启动 [incubator-hugegraph]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #2705:
URL: https://github.com/apache/incubator-hugegraph/issues/2705#issuecomment-2561999542
Due to the lack of activity, the current issue is marked as stale and will be closed after 20 days, any update will remove the stale label
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Re: [I] [Question] 底层Cassandra迁移之后hugegraph无法启动 [incubator-hugegraph]
Posted by "imbajin (via GitHub)" <gi...@apache.org>.
imbajin closed issue #2705: [Question] 底层Cassandra迁移之后hugegraph无法启动
URL: https://github.com/apache/incubator-hugegraph/issues/2705
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Re: [I] [Question] 底层Cassandra迁移之后hugegraph无法启动 [incubator-hugegraph]
Posted by "dosubot[bot] (via GitHub)" <gi...@apache.org>.
dosubot[bot] commented on issue #2705:
URL: https://github.com/apache/incubator-hugegraph/issues/2705#issuecomment-2530593880
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@liaobing 你好！我是[Dosu](https://dosu.dev)。我是一个可以帮助你解决 bug、回答问题，并成为贡献者的机器人。我会在这里帮助你，等待人类维护者的到来。
<!-- Answer -->
The error you're encountering, where HugeGraph is unable to start after migrating the underlying Cassandra, is likely due to the backend store 'cassandra01' not being initialized. This is a common issue when the database is not properly initialized after migration.
To resolve this, you need to initialize the backend store using the `init-store.sh` script. Here are the steps you should follow:
1. Navigate to the HugeGraph directory:
```bash
cd *hugegraph-${version}
```
2. Run the initialization script:
```bash
bin/init-store.sh
```
This script will set up the necessary backend store for HugeGraph to connect to Cassandra. Additionally, ensure that your `hugegraph.properties` file is correctly configured with the appropriate Cassandra settings, such as `cassandra.host` and `cassandra.port`, to match your new Cassandra setup <sup>[[1]](https://github.com/apache/incubator-hugegraph-doc/blob/master/content/en/docs/quickstart/hugegraph-server.md)</sup>.
If you need further details on configuring the `hugegraph.properties` file, you can refer to the specific settings required for connecting to a Cassandra backend <sup>[[2]](https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-tools/assembly/travis/conf/graphs/hugegraph.properties)</sup>.
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Re: [I] [Question] 底层Cassandra迁移之后hugegraph无法启动 [incubator-hugegraph]
Posted by "imbajin (via GitHub)" <gi...@apache.org>.
imbajin commented on issue #2705:
URL: https://github.com/apache/incubator-hugegraph/issues/2705#issuecomment-2530594705
@liaobing @dosu
Community support in legacy version < 1.0 (non-apache version) **has been discontinued**.
Please consider using toolchain's tools tool to export data and reload it into the latest version `1.5.0` (which is a data structure stable version)
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