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Posted to derby-dev@db.apache.org by "Kristian Waagan (JIRA)" <ji...@apache.org> on 2009/11/10 11:02:28 UTC
[jira] Commented: (DERBY-4102) Assert failure or ClassCastException
in EmbedBlob when retrieving BLOB >= 32K
[ https://issues.apache.org/jira/browse/DERBY-4102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12775362#action_12775362 ]
Kristian Waagan commented on DERBY-4102:
----------------------------------------
Testing this patch again, I have observed an intermittent failure both with a clean trunk and with a patched trunk (patch DERBY-4102 1a).
Running with a sane build:
1) testBlobWrite3Param(org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest)org.apache.derby.shared.common.sanity.AssertFailure: ASSERT FAILED
at org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:98)
at org.apache.derby.impl.store.raw.data.BasePage.unlatch(BasePage.java:1365)
at org.apache.derby.impl.store.raw.data.OverflowInputStream.fillByteHolder(OverflowInputStream.java:152)
at org.apache.derby.impl.store.raw.data.BufferedByteHolderInputStream.read(BufferedByteHolderInputStream.java:44)
at java.io.DataInputStream.read(DataInputStream.java:132)
at org.apache.derby.impl.jdbc.PositionedStoreStream.read(PositionedStoreStream.java:116)
at org.apache.derby.impl.jdbc.AutoPositioningStream.read(AutoPositioningStream.java:113)
at org.apache.derby.impl.jdbc.UpdatableBlobStream.read(UpdatableBlobStream.java:184)
at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.readBytesFromStream(LobStreamsTest.java:463)
at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.compareLob2File(LobStreamsTest.java:488)
at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.testBlobWrite3Param(LobStreamsTest.java:130)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:109)
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)
This associated code in BasePage is:
public void unlatch() {
if (SanityManager.DEBUG) {
SanityManager.ASSERT(isLatched());
}
releaseExclusive();
}
1) testBlobWrite3Param(org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest)java.io.IOException: ERROR 40XD0: Container has been closed.
at org.apache.derby.impl.store.raw.data.OverflowInputStream.fillByteHolder(OverflowInputStream.java:159)
at org.apache.derby.impl.store.raw.data.BufferedByteHolderInputStream.read(BufferedByteHolderInputStream.java:44)
at java.io.DataInputStream.read(DataInputStream.java:132)
at org.apache.derby.impl.jdbc.PositionedStoreStream.read(PositionedStoreStream.java:116)
at org.apache.derby.impl.jdbc.AutoPositioningStream.read(AutoPositioningStream.java:113)
at org.apache.derby.impl.jdbc.UpdatableBlobStream.read(UpdatableBlobStream.java:184)
at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.readBytesFromStream(LobStreamsTest.java:463)
at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.compareLob2File(LobStreamsTest.java:488)
at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.testBlobWrite3Param(LobStreamsTest.java:130)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:109)
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)
The origin of the real exception is lost here (not chained), and when I was about to investigate where it
The Java deadlock (see attached dump for details):
> Assert failure or ClassCastException in EmbedBlob when retrieving BLOB >= 32K
> -----------------------------------------------------------------------------
>
> Key: DERBY-4102
> URL: https://issues.apache.org/jira/browse/DERBY-4102
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.1.1.0, 10.2.2.0, 10.3.3.0, 10.4.2.0, 10.5.1.1, 10.6.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Kristian Waagan
> Attachments: CastExc.java, derby-4102-1a.diff, derby-4102-1a.stat
>
>
> The code below results in an assert error (with sane jars) or a ClassCastException (with insane jars):
> PreparedStatement ps = c.prepareStatement("values cast(? as blob)");
> int len = 32 * 1024;
> ps.setBinaryStream(1, new ByteArrayInputStream(new byte[len]), len);
> ResultSet rs = ps.executeQuery();
> while (rs.next()) {
> rs.getBlob(1);
> }
> If len < 32K there is no error.
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