Ted Yu created HBASE-15657:
------------------------------
Summary: Failed snapshot verification may not be detected by
TakeSnapshotHandler
Key: HBASE-15657
URL: https://issues.apache.org/jira/browse/HBASE-15657
Project: HBase
Issue Type: Bug
Reporter: Ted Yu
Assignee: Ted Yu
Encountered a case where snapshot verification failed:
{code}
2016-04-13 07:41:12,308 ERROR [MASTER_TABLE_OPERATIONS-10.0.0.75:16000-0]
executor.EventHandler: Caught throwable while processing event
C_M_SNAPSHOT_TABLE
java.lang.NoClassDefFoundError: Could not initialize class
org.apache.hadoop.hbase.protobuf.generated.SnapshotProtos
at
org.apache.hadoop.hbase.protobuf.generated.SnapshotProtos$SnapshotDataManifest.internalGetFieldAccessorTable(SnapshotProtos.java:3883)
at
com.google.protobuf.GeneratedMessage.getDescriptorForType(GeneratedMessage.java:98)
at
com.google.protobuf.AbstractMessage$Builder.findMissingFields(AbstractMessage.java:789)
at
com.google.protobuf.AbstractMessage$Builder.findMissingFields(AbstractMessage.java:780)
at
com.google.protobuf.AbstractMessage$Builder.newUninitializedMessageException(AbstractMessage.java:770)
at
com.google.protobuf.AbstractMessage.newUninitializedMessageException(AbstractMessage.java:237)
at
com.google.protobuf.AbstractParser.newUninitializedMessageException(AbstractParser.java:57)
at
com.google.protobuf.AbstractParser.checkMessageInitialized(AbstractParser.java:71)
at com.google.protobuf.AbstractParser.parseFrom(AbstractParser.java:217)
at com.google.protobuf.AbstractParser.parseFrom(AbstractParser.java:223)
at com.google.protobuf.AbstractParser.parseFrom(AbstractParser.java:49)
at
org.apache.hadoop.hbase.protobuf.generated.SnapshotProtos$SnapshotDataManifest.parseFrom(SnapshotProtos.java:4094)
at
org.apache.hadoop.hbase.snapshot.SnapshotManifest.readDataManifest(SnapshotManifest.java:433)
at
org.apache.hadoop.hbase.snapshot.SnapshotManifest.load(SnapshotManifest.java:273)
at
org.apache.hadoop.hbase.snapshot.SnapshotManifest.open(SnapshotManifest.java:119)
at
org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier.verifySnapshot(MasterSnapshotVerifier.java:108)
at
org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler.process(TakeSnapshotHandler.java:200)
at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
{code}
Note NoClassDefFoundError is not Exception. So it was not caught by the
following clause in TakeSnapshotHandler :
{code}
} catch (Exception e) {
{code}
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