When table contains large LOB values (> ~32K) trigger execution fails for that
row with ERROR XCL30: An IOException was thrown when reading a 'BLOB'
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Key: DERBY-3238
URL: https://issues.apache.org/jira/browse/DERBY-3238
Project: Derby
Issue Type: Bug
Affects Versions: 10.3.1.4, 10.2.2.0, 10.1.3.1, 10.3.2.1, 10.4.0.0
Reporter: Stan Bradbury
Attachments: blob_insert2.java
See attached test case.
At execution/run-time a trigger that handles a row that contains a large LOB
value will fail with the following error and stack trace:
= = =
Testing blob of size=1024
. . Now executing update to fire the trigger
PASSED
Testing blob of size=16384
. . Now executing update to fire the trigger
PASSED
Testing blob of size=32658
. . Now executing update to fire the trigger
PASSED
Testing blob of size=32659
. . Now executing update to fire the trigger
Error! java.sql.SQLException: An IOException was thrown when reading a 'BLOB'
from an InputStream.
java.sql.SQLException: An IOException was thrown when reading a 'BLOB' from an
InputStream.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown
Source)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown
Source)
at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedStatement.executeUpdate(Unknown
Source)
at blob_insert2.testBlob(blob_insert2.java:102)
at blob_insert2.main(blob_insert2.java:55)
Caused by: java.sql.SQLException: Java exception: ': java.io.EOFException'.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.javaException(Unknown Source)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown
Source)
... 9 more
Caused by: java.io.EOFException
at org.apache.derby.iapi.types.SQLBinary.readBinaryLength(Unknown
Source)
at org.apache.derby.iapi.types.SQLBinary.readExternal(Unknown Source)
at org.apache.derby.iapi.types.SQLBinary.getValue(Unknown Source)
at org.apache.derby.iapi.types.SQLBinary.loadStream(Unknown Source)
at
org.apache.derby.impl.sql.execute.UpdateResultSet.objectifyStream(Unknown
Source)
at
org.apache.derby.impl.sql.execute.UpdateResultSet.collectAffectedRows(Unknown
Source)
at org.apache.derby.impl.sql.execute.UpdateResultSet.open(Unknown
Source)
at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown
Source)
... 5 more
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