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https://issues.apache.org/jira/browse/ACCUMULO-3038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14135633#comment-14135633
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Christopher Tubbs commented on ACCUMULO-3038:
---------------------------------------------
[~mdrob]: yes, you're right, but that's for upgrades between major versions
(where the data version has changed). It does not apply to drop-in upgrades
between bugfix versions, because there's no explicit upgrade process for those.
We could bump the data version in 1.6.1 to alleviate this, but I would probably
be opposed to doing so, because that really would prevent downgrades. And, in
any case, the issue potentially affects bugfixes in 1.5.x, and bumping the data
version is not a solution to backport, because it really breaks upgrades.
> java.lang.RuntimeException: java.io.InvalidClassException:
> org.apache.accumulo.trace.thrift.TInfo; local class incompatible
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: ACCUMULO-3038
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3038
> Project: Accumulo
> Issue Type: Bug
> Components: fate
> Affects Versions: 1.6.0
> Reporter: Josh Elser
> Priority: Blocker
> Fix For: 1.6.1
>
>
> {noformat}
> 2014-08-01 14:37:38,278 [fate.Fate] ERROR: Thread "Repo runner 0" died
> java.lang.RuntimeException: java.io.InvalidClassException:
> org.apache.accumulo.trace.thrift.TInfo; local class incompatible: stream
> classdesc serialVersionUID = -8521079672965073252, local class
> serialVersionUID = -4659975753252858243idClassException:
> org.apache.accumulo.trace.thrift.TInfo; local class incompatible: stream
> classdesc serialVersionUID = -8521079672965073252, local class
> serialVersionUID =
> -4659975753252858243mulo.fate.ZooStore.top(ZooStore.java:266)
> at org.apache.accumulo.fate.AgeOffStore.top(AgeOffStore.java:172)
> at org.apache.accumulo.fate.Fate$TransactionRunner.run(Fate.java:58)
> at
> org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:34)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.RuntimeException: java.io.InvalidClassException:
> org.apache.accumulo.trace.thrift.TInfo; local class incompatible: stream
> classdesc serialVersionUID = -8521079672965073252, local class
> serialVersionUID = -4659975753252858243t
> org.apache.accumulo.fate.ZooStore.deserialize(ZooStore.java:79)
> at org.apache.accumulo.fate.ZooStore.top(ZooStore.java:262)
> ... 4 more
> Caused by: java.io.InvalidClassException:
> org.apache.accumulo.trace.thrift.TInfo; local class incompatible: stream
> classdesc serialVersionUID = -8521079672965073252, local class
> serialVersionUID = -4659975753252858243
> at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:617)
> at
> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1622)
> at
> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
> at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
> at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
> at org.apache.accumulo.fate.ZooStore.deserialize(ZooStore.java:77)
> ... 5 more
> {noformat}
> I'm not entirely positive what happened yet, but I believe the following is
> what happened.
> # Started up 1.6.0, loaded some data
> # Stopped 1.6.0
> # Started up 1.6.1-SNAPSHOT over the same instance to test some new code I
> was writing
> # Stopped 1.6.1-SNAPSHOT
> # Re-started 1.6.0 to run a demo
> # Above error
> My guess is that this is from the thrift 0.9.0 to 0.9.1 change for 1.6.1,
> which means that 1.6.1 cannot presently downgrade back to 1.6.0. I need to do
> some more testing to be sure, though.
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