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https://issues.apache.org/jira/browse/DERBY-6785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14252655#comment-14252655
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tariq rahiman commented on DERBY-6785:
--------------------------------------
What you described in your comment is correct
"Client is running latest 10.11 software.
target is running a network server running on 10.10 software against the demo
database
provided with the 10.10 software - I assume that database was build with the
10.10 software but
have not verified. Some set of catalog queries get marshalling errors as
provided in JIRA
description, reporter to provide specific query."
> 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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