【发布时间】：2014-07-02 11:50:50
【问题描述】：
我正在尝试清理我的 Titan 数据库并导致异常。 我猜我的数据库很大，它会超时，但是我如何在泰坦中配置它。我使用 Hbase 作为存储后端。 这是我返回异常的代码； 泰坦版本：0.4.4
g.shutdown();
TitanCleanup.clear(g);
Exception in thread "main" com.thinkaurelius.titan.core.TitanException: Unexpected exception during backend operation
at com.thinkaurelius.titan.diskstorage.util.BackendOperation.execute(BackendOperation.java:67)
at com.thinkaurelius.titan.core.util.TitanCleanup.clear(TitanCleanup.java:32)
at TitanMain.main(TitanMain.java:39)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
Caused by: java.lang.RuntimeException: org.apache.hadoop.hbase.client.ScannerTimeoutException: 106728ms passed since the last invocation, timeout is currently set to 60000
at org.apache.hadoop.hbase.client.AbstractClientScanner$1.hasNext(AbstractClientScanner.java:44)
at com.thinkaurelius.titan.diskstorage.hbase.HBaseStoreManager.clearStorage(HBaseStoreManager.java:358)
at com.thinkaurelius.titan.diskstorage.Backend.clearStorage(Backend.java:465)
at com.thinkaurelius.titan.core.util.TitanCleanup$1.call(TitanCleanup.java:35)
at com.thinkaurelius.titan.core.util.TitanCleanup$1.call(TitanCleanup.java:32)
at com.thinkaurelius.titan.diskstorage.util.BackendOperation.execute(BackendOperation.java:62)
... 7 more
Caused by: org.apache.hadoop.hbase.client.ScannerTimeoutException: 106728ms passed since the last invocation, timeout is currently set to 60000
at org.apache.hadoop.hbase.client.ClientScanner.next(ClientScanner.java:283)
at org.apache.hadoop.hbase.client.AbstractClientScanner$1.hasNext(AbstractClientScanner.java:41)
... 12 more
Caused by: org.apache.hadoop.hbase.UnknownScannerException: org.apache.hadoop.hbase.UnknownScannerException: Name: -3465920678372616028
at org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:2625)
at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:323)
at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1434)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
at org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:96)
at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:149)
at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:42)
at org.apache.hadoop.hbase.client.ServerCallable.withRetries(ServerCallable.java:163)
at org.apache.hadoop.hbase.client.ClientScanner.next(ClientScanner.java:274)
... 13 more
【问题讨论】：
-
您使用的是什么版本的 Titan？
-
我用的是0.4.4版本。
-
谢谢，将评论移至下面的答案...