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https://issues.apache.org/jira/browse/DERBY-6785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14252660#comment-14252660
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tariq rahiman commented on DERBY-6785:
--------------------------------------
>> Trying to understand if the problem is the software in general or maybe with
>> just with the demo database provided with 10.10.
It is not a problem with demo database. If I create a new db and create the new
tables, I still get the error. It is some minor interaction of the JDBC driver
with the system catalog tables which is getting the exception. I will provide
you the list of queries which is giving exception as an attachment
> Latest JDBC driver from 10.11.1.1 gives exception when trying to connect to
> 10.10.2.0
> -------------------------------------------------------------------------------------
>
> Key: DERBY-6785
> URL: https://issues.apache.org/jira/browse/DERBY-6785
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.10.2.0
> Environment: Win 7, Win 8, Mac OSX and Ubuntu 14.04
> Reporter: tariq rahiman
> Fix For: 10.11.1.3
>
> Attachments: derby.log, log.zip
>
>
> I have downloaded 10.11.1.1 and 10.10.2.0 from Apache Derby download and
> installed them in 2 separate machines.
> I have a GUI client that connects to the toursdb database of both versions
> using a JDBC connection that makes uses of derby.jar, derbyclient.jar and
> derbynet.jar
> I use the latest JDBC drivers from 10.11.1.1 to connect to both the database
> versions. The drivers I make use of are derby.jar, derbyclient.jar and
> derbynet.jar
> Connection to 10.10.2.0 is successful, but when I try to Alter/Drop Tables
> and Views, Create an Index or try to retrieve column information of tables, i
> get the below exception:
> The classpath settings for the two environments are identical and If i
> replace the derby.jar, derbyclient.jar and derbynet.jar of the latest release
> with the 10.10.2.0 ones, it works fine with 10.10.2.0.
> So my question is backward compatibility of the latest Apache Derby JDBC
> drivers. Can I use 10.11.1.1 jars to connect to 10.10.2.0 ?
> Exception:
> java.sql.SQLException: Error marshalling or unmarshalling a user defined
> type: org.apache.derby.catalog.types.TypeDescriptorImpl; local class
> incompatible: stream classdesc serialVersionUID = -5485274209578709396, local
> class serialVersionUID = -3812847726962874375
> at
> org.apache.derby.client.am.SQLExceptionFactory.getSQLException(Unknown Source)
> at org.apache.derby.client.am.SqlException.getSQLException(Unknown
> Source)
> at org.apache.derby.client.am.ClientResultSet.getString(Unknown Source)
> at \\...\\ .\\हिñçêČάй語简�?한\\.cꋦᚹ⣞ꊼ 8.a(Unknown Source)
> at com.common.ui.tree.eꏷꃒꆶᡰ.a(Unknown Source)
> at com.common.ui.tree.eꏷꃒꆶᡰ.wR(Unknown Source)
> at com.common.ui.tree.eꏷꃒꆶᡰ$1.process(Unknown Source)
> at com.common.ui.util.BackgroundThread.run(Unknown Source)
> Caused by: ERROR XN020: Error marshalling or unmarshalling a user defined
> type: org.apache.derby.catalog.types.TypeDescriptorImpl; local class
> incompatible: stream classdesc serialVersionUID = -5485274209578709396, local
> class serialVersionUID = -3812847726962874375
> at org.apache.derby.client.am.Cursor.get_UDT(Unknown Source)
> at org.apache.derby.client.am.Cursor.getString(Unknown Source)
> ... 6 more
> Caused by: java.io.InvalidClassException:
> org.apache.derby.catalog.types.TypeDescriptorImpl; local class incompatible:
> stream classdesc serialVersionUID = -5485274209578709396, local class
> serialVersionUID = -3812847726962874375
> 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.readObject(ObjectInputStream.java:370)
> ... 8 more
> Let me know if you need any more information
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