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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-3038) java.lang.RuntimeException: java.io.InvalidClassException: org.apache.accumulo.trace.thrift.TInfo; local class incompatible
Date Tue, 16 Sep 2014 19:18:35 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14136019#comment-14136019
] 

Keith Turner commented on ACCUMULO-3038:
----------------------------------------

Maybe a custom readObject() method?  May be kinda icky on ourside, but I think it would cause
less headaches for users.   It would be really nice if we could move away from java serialization
for 1.7 and use a human readable serialization format.

> 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
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> {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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