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http://issues.apache.org/jira/browse/DERBY-575?page=comments#action_12366182 ]
Myrna van Lunteren commented on DERBY-575:
------------------------------------------
After doing work following from DERBY-903 and working with the test harness
improvement suggested with DERBY-683, I now better understand what was the
problem with this subtest of blobclob4BLOB is.
It's the following section:
FileReader fr = new FileReader(fileName[4]);
ps.setInt(1, i);
....
ps.setCharacterStream(6, new java.io.BufferedReader(fr),300000);
ps.executeUpdate();
The api doc says:
" The constructors of this class assume that the default character encoding and
the default byte-buffer size are appropriate. To specify these values yourself,
construct an InputStreamReader on a FileInputStream. "
Thus, to make blobclob4BLOB pass with -DderbyTesting.encoding=UTF-16 (you need
the improved patch for test harness from DERBY-683 to run tests like that) I
think this section needs to be changed to:
File file = new File(fileName[4]);
InputStream fileIS = new FileInputStream(file);
Reader fr = new InputStreamReader(fileIS, "US-ASCII");
ps.setInt(1, i);
...
ps.setCharacterStream(6, fr, 300000);
This then passes with -DderbyTesting.encoding=UTF-16 with embedded (after also
fixing DERBY-902) and DerbyNet. DerbyNetClient has some problem which I think
may be due to DERBY-901
I will run some more tests, then submit a patch for DERBY-903; if that proves
ok & gets committed, this particular bug can be closed and unlinked from
DERBY-658.
> test blobclob4BLOB fails on OS 390
> ----------------------------------
>
> Key: DERBY-575
> URL: http://issues.apache.org/jira/browse/DERBY-575
> Project: Derby
> Type: Bug
> Components: Test
> Versions: 10.1.1.0
> Environment: OS/390 (z/OS 1.06; IBM j2RE 1.4.2)
> Reporter: Myrna van Lunteren
> Assignee: Myrna van Lunteren
> Priority: Minor
> Fix For: 10.2.0.0
>
> The subtest clobNegativeTest_Derby265 in test jdbcapi/blobclob4BLOB assumes
> that the length of the file used (aclob.txt) is 300000 but on OS 390 (z/OS),
> after conversion to EBCDIC, the length is 297000. The test should be modified
> to not use a hardcoded size.
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