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From "Myrna van Lunteren (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DERBY-6173) testSetClob failure on 10.10.1.2(1465864) with ibm17 - A communications error has been detected: Connection reset.
Date Wed, 14 Aug 2013 17:44:47 GMT

     [ https://issues.apache.org/jira/browse/DERBY-6173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Myrna van Lunteren resolved DERBY-6173.
---------------------------------------

    Resolution: Cannot Reproduce

I think this issue has not been seen again.
I think it was possibly something strange on the particular machine this test was run on;
for a while the 10.10 (windows) tests ran on a virtual machine on which we saw this kind of
failure. We have not seen 'connection reset' errors since we moved the tests to a different
machine.
Why the connections got reset has remained unexplained.
                
> testSetClob failure on 10.10.1.2(1465864) with ibm17 - A communications error has been
detected: Connection reset.
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-6173
>                 URL: https://issues.apache.org/jira/browse/DERBY-6173
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.10.1.3
>            Reporter: Mamta A. Satoor
>
> http://people.apache.org/~myrnavl/derby_test_results/v10_10/windows/testlog/ibm17/1465864-suites.All_diff.txt
> 1) testSetClob(org.apache.derbyTesting.functionTests.tests.jdbcapi.BlobClob4BlobTest)java.sql.SQLNonTransientConnectionException:
A communications error has been detected: Connection reset.
> 	at org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(Unknown Source)
> 	at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
> 	at org.apache.derby.client.am.Clob.length(Unknown Source)
> 	at org.apache.derbyTesting.functionTests.tests.jdbcapi.BlobClob4BlobTest.testSetClob(BlobClob4BlobTest.java:937)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:88)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:117)
> 	at org.apache.derbyTesting.junit.BaseJDBCTestCase.runBareOverridable(BaseJDBCTestCase.java:442)
> 	at org.apache.derbyTesting.junit.BaseJDBCTestCase.runBare(BaseJDBCTestCase.java:459)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> Caused by: org.apache.derby.client.am.DisconnectException: A communications error has
been detected: Connection reset.
> 	at org.apache.derby.client.net.NetAgent.throwCommunicationsFailure(Unknown Source)
> 	at org.apache.derby.client.net.Reply.fill(Unknown Source)
> 	at org.apache.derby.client.net.Reply.ensureALayerDataInBuffer(Unknown Source)
> 	at org.apache.derby.client.net.Reply.readDssHeader(Unknown Source)
> 	at org.apache.derby.client.net.Reply.startSameIdChainParse(Unknown Source)
> 	at org.apache.derby.client.net.NetStatementReply.readExecuteCall(Unknown Source)
> 	at org.apache.derby.client.net.StatementReply.readExecuteCall(Unknown Source)
> 	at org.apache.derby.client.net.NetStatement.readExecuteCall_(Unknown Source)
> 	at org.apache.derby.client.am.Statement.readExecuteCall(Unknown Source)
> 	at org.apache.derby.client.am.PreparedStatement.flowExecute(Unknown Source)
> 	at org.apache.derby.client.am.PreparedStatement.executeX(Unknown Source)
> 	at org.apache.derby.client.am.CallableLocatorProcedures.clobGetLength(Unknown Source)
> 	at org.apache.derby.client.am.Clob.getLocatorLength(Unknown Source)
> 	at org.apache.derby.client.am.Lob.sqlLength(Unknown Source)
> 	... 47 more
> Caused by: java.net.SocketException: Connection reset
> 	at java.net.SocketInputStream.read(SocketInputStream.java:200)
> 	at java.net.SocketInputStream.read(SocketInputStream.java:132)
> 	... 60 more

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