Intermittent NPE executing a prepared statement inserting a blob.
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Key: DERBY-5470
URL: https://issues.apache.org/jira/browse/DERBY-5470
Project: Derby
Issue Type: Bug
Components: Store
Affects Versions: 10.8.1.2
Environment: Linux 64-bit, java 1.6 build 26.
Reporter: Benson Margulies
We cannot reproduce this consistently, let alone minimize it for you. However,
the backtrace may be suggestive enough to give you some traction.
I have never been able to repro this on a Mac with the corresponding version of
Java.
{noformat}
Caused by: java.lang.NullPointerException
at
org.apache.commons.io.input.ProxyInputStream.read(ProxyInputStream.java:75)
at java.io.FilterInputStream.read(FilterInputStream.java:116)
at org.apache.derby.iapi.services.io.LimitInputStream.read(Unknown
Source)
at org.apache.derby.iapi.types.RawToBinaryFormatStream.read(Unknown
Source)
at org.apache.derby.impl.store.raw.data.MemByteHolder.write(Unknown
Source)
at
org.apache.derby.impl.store.raw.data.RememberBytesInputStream.fillBuf(Unknown
Source)
at org.apache.derby.impl.store.raw.data.StoredPage.logColumn(Unknown
Source)
at org.apache.derby.impl.store.raw.data.StoredPage.logRow(Unknown
Source)
at
org.apache.derby.impl.store.raw.data.InsertOperation.writeOptionalDataToBuffer(Unknown
Source)
at org.apache.derby.impl.store.raw.data.InsertOperation.<init>(Unknown
Source)
at
org.apache.derby.impl.store.raw.data.LoggableActions.actionInsert(Unknown
Source)
at
org.apache.derby.impl.store.raw.data.BasePage.insertNoOverflow(Unknown Source)
at org.apache.derby.impl.store.raw.data.BasePage.insertAtSlot(Unknown
Source)
at org.apache.derby.impl.store.raw.data.StoredPage.insertAtSlot(Unknown
Source)
at org.apache.derby.impl.store.raw.data.BasePage.insert(Unknown Source)
at
org.apache.derby.impl.store.access.heap.HeapController.doInsert(Unknown Source)
at
org.apache.derby.impl.store.access.heap.HeapController.insertAndFetchLocation(Unknown
Source)
at org.apache.derby.impl.sql.execute.RowChangerImpl.insertRow(Unknown
Source)
at
org.apache.derby.impl.sql.execute.InsertResultSet.normalInsertCore(Unknown
Source)
at org.apache.derby.impl.sql.execute.InsertResultSet.open(Unknown
Source)
at
org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Unknown Source)
at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown
Source)
{noformat}
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