Derby
  1. Derby
  2. DERBY-5421

NullPointerException during system.nstest.utils.Dbutil.update_one_row

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 10.8.2.2
    • Fix Version/s: 10.8.2.2, 10.9.1.0
    • Component/s: Test
    • Labels:
      None
    • Environment:
      Windows XP (embedded), SUSE Linux (10) (client/server), both with ibm 1.6 SR9 FP1
    • Bug behavior facts:
      Regression, Regression Test Failure

      Description

      The nstest - both embedded (on Windows XP) and client/server configuration (on SUSE Linux 10) ran into a NullPointerException during the call to update_one_row.
      The test only ran for 5 days, vs. 10.8.1.2 8 days, and I've never seen this error before:

      sample (console) output:
      total memory: 20962816 free: 3036264 Wed Sep 14 00:28:00 PDT 2011
      TObj -->NULL error message detected
      TObj -->Here is the NULL exception - java.lang.NullPointerException
      TObj -->Stack trace of the NULL exception - java.lang.NullPointerException
      at org.apache.derbyTesting.system.nstest.utils.DbUtil.update_one_row(DbUtil.java:275)
      at org.apache.derbyTesting.system.nstest.tester.TesterObject.doIUDOperation(TesterObject.java:162)
      at org.apache.derbyTesting.system.nstest.tester.Tester2.startTesting(Tester2.java:109)
      at org.apache.derbyTesting.system.nstest.NsTest.run(NsTest.java:555)
      TObj -->At this point - executing update_one_row, exception thrown was : null
      TObj -->NULL error message detected
      TObj -->Here is the NULL exception - java.lang.NullPointerException
      TObj -->Stack trace of the NULL exception - java.lang.NullPointerException
      at org.apache.derbyTesting.system.nstest.utils.DbUtil.update_one_row(DbUtil.java:275)
      at org.apache.derbyTesting.system.nstest.tester.TesterObject.doIUDOperation(TesterObject.java:162)
      at org.apache.derbyTesting.system.nstest.tester.Tester1.startTesting(Tester1.java:118)
      at org.apache.derbyTesting.system.nstest.NsTest.run(NsTest.java:551)
      TObj -->At this point - executing update_one_row, exception thrown was : null

      Looking at the source of nstest.utils.DbUtil.update_one_row it's calling ps2.close():

      ----------------------------
      ....
      column = colnames[ind % NUMTYPES]; // randomly gets one of the columns
      // of the table

      try

      { ps2 = conn.prepareStatement(" update nstesttab set " + column + " = ? " + " where serialkey = " + skey); }

      catch (Exception e)

      { ps2.close(); printException( "closing update prepared stmt in dbUtil.update_one_row() ", e); return rowsUpdated; }

      ....
      ----------------------------

      At first glance, this seems a test issue, but I think it possible the test is hiding something more interesting, so I'm not marking this as component 'test'.

      1. DERBY-5421_1.diff
        1 kB
        Myrna van Lunteren
      2. DERBY-5421_2.diff
        8 kB
        Myrna van Lunteren

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            • Assignee:
              Unassigned
              Reporter:
              Myrna van Lunteren
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              Dates

              • Created:
                Updated:
                Resolved:

                Development