Pour obtenir une clé
d'essai remplissez le formulaire ci-dessous
Demandez des tariffs
Nouvelle licence
Renouvellement de licence
--Sélectionnez la devise--
USD
EUR
RUB
* En cliquant sur ce bouton, vous acceptez notre politique de confidentialité

Free PVS-Studio license for Microsoft MVP specialists
To get the licence for your open-source project, please fill out this form
** En cliquant sur ce bouton, vous acceptez notre politique de confidentialité.

I am interested to try it on the platforms:
** En cliquant sur ce bouton, vous acceptez notre politique de confidentialité.

Votre message a été envoyé.

Nous vous répondrons à


Si vous n'avez toujours pas reçu de réponse, vérifiez votre dossier
Spam/Junk et cliquez sur le bouton "Not Spam".
De cette façon, vous ne manquerez la réponse de notre équipe.

>
>
>
Examples of errors detected by the V601…

Examples of errors detected by the V6019 diagnostic

V6019. Unreachable code detected. It is possible that an error is present.


CUBA Platform

V6019 Unreachable code detected. It is possible that an error is present. TransactionTest.java(283)


private void throwException() {
  throw new RuntimeException(TEST_EXCEPTION_MSG);
}

@Test
public void testSuspendRollback() {
  Transaction tx = cont.persistence().createTransaction();
  try {
    ....
    Transaction tx1 = cont.persistence().createTransaction();
    try {
      EntityManager em1 = cont.persistence().getEntityManager();
      assertTrue(em != em1);
      Server server1 = em1.find(Server.class, server.getId());
      assertNull(server1);
      throwException();        // <=
      tx1.commit();            // <=
    } catch (Exception e) {
      //
    } finally {
      tx1.end();
    }

    tx.commit();
  } finally {
    tx.end();
  }
}

Similar errors can be found in some other places:

  • V6019 Unreachable code detected. It is possible that an error is present. TransactionTest.java(218)
  • V6019 Unreachable code detected. It is possible that an error is present. TransactionTest.java(163)
  • V6019 Unreachable code detected. It is possible that an error is present. TransactionTest.java(203)
  • And 4 additional diagnostic messages.

Apache Dubbo

V6019 Unreachable code detected. It is possible that an error is present. GrizzlyCodecAdapter.java(136)


@Override
public NextAction handleRead(FilterChainContext context) throws IOException {
  ....
  do {
    savedReadIndex = frame.readerIndex();
    try {
      msg = codec.decode(channel, frame);
    } catch (Exception e) {
      previousData = ChannelBuffers.EMPTY_BUFFER;
      throw new IOException(e.getMessage(), e);
    }
    if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
      frame.readerIndex(savedReadIndex);
        return context.getStopAction();     // <=
    } else {
      if (savedReadIndex == frame.readerIndex()) {
        previousData = ChannelBuffers.EMPTY_BUFFER;
        throw new IOException("Decode without read data.");   // <=
      }
      if (msg != null) {
        context.setMessage(msg);
        return context.getInvokeAction();     // <=
      } else {
        return context.getInvokeAction();    // <=
      }
    }
  } while (frame.readable());     // <=
  ....
}

Apache Hadoop

V6019 Unreachable code detected. It is possible that an error is present. TestReplaceDatanodeFailureReplication.java(222)


private void
verifyFileContent(....) throws IOException
{
  LOG.info("Verify the file");
  for (int i = 0; i < slowwriters.length; i++) {
    LOG.info(slowwriters[i].filepath + ....);
    FSDataInputStream in = null;
    try {
      in = fs.open(slowwriters[i].filepath);
      for (int j = 0, x;; j++) {
        x = in.read();
        if ((x) != -1) {
          Assert.assertEquals(j, x);
        } else {
          return;
        }
      }
    } finally {
      IOUtils.closeStream(in);
    }
  }
}

Apache Hadoop

V6019 Unreachable code detected. It is possible that an error is present. TestNodeManager.java(176)


@Test
public void
testCreationOfNodeLabelsProviderService() throws InterruptedException {
  try {
    ....
  } catch (Exception e) {
    Assert.fail("Exception caught");
    e.printStackTrace();
  }
}

Similar errors can be found in some other places:

  • V6019 Unreachable code detected. It is possible that an error is present. TestResourceTrackerService.java(928)
  • V6019 Unreachable code detected. It is possible that an error is present. TestResourceTrackerService.java(737)
  • V6019 Unreachable code detected. It is possible that an error is present. TestResourceTrackerService.java(685)

Ghidra

V6019 Unreachable code detected. It is possible that an error is present. ExternalNamesTableModel.java(109)


public void setValueAt(Object aValue, int row, int column) {
  ....
  int index = indexOf(newName);
  if (index >= 0) {
    Window window = tool.getActiveWindow();
    Msg.showInfo(getClass(), window, "Duplicate Name",
                 "Name already exists: " + newName);
    return;
  }

  ExternalPath path = paths.get(row); // <=
  ....
}
private int indexOf(String name) {
  for (int i = 0; i < paths.size(); i++) {
    ExternalPath path = paths.get(i);
    if (path.getName().equals(name)) {
      return i;
    }
  }
  return 0;
}

WildFly

V6019 Unreachable code detected. It is possible that an error is present. EJB3Subsystem12Parser.java(79)


protected void readAttributes(final XMLExtendedStreamReader reader) {
  throws XMLStreamException {
    for (int i = 0; i < reader.getAttributeCount(); i++) {
      ParseUtils.requireNoNamespaceAttribute(reader, i);
      throw ParseUtils.unexpectedAttribute(reader, i);
    }
  }
}

Bouncy Castle

V6019 Unreachable code detected. It is possible that an error is present. XMSSTest.java(170)


public void testSignSHA256CompleteEvenHeight2() {
    ....
    int height = 10;
    ....
    for (int i = 0; i < (1 << height); i++) {
        byte[] signature = xmss.sign(new byte[1024]);
        switch (i) {
            case 0x005b:
                assertEquals(signatures[0], Hex.toHexString(signature));
                break;
            case 0x0822:
                assertEquals(signatures[1], Hex.toHexString(signature));
                break;
            ....
        }
    }
}

ELKI

V6019 Unreachable code detected. It is possible that an error is present. Tokenizer.java(172)


public String getStrippedSubstring() {
    int sstart = start, ssend = end;
    while(sstart < ssend) {
        char c = input.charAt(sstart);
        if(c != ' ' || c != '\n' || c != '\r' || c != '\t') {
            break;
        }
        ++sstart;
    }
    ....
}

Rhino

V6019 Unreachable code detected. It is possible that an error is present. Parser.java(3138)


public class Token {
  ....
  public static final int ERROR = -1, ....
  ....
}

public class Parser {

  static final int CLEAR_TI_MASK = 0xFFFF, ....;
  private AstNode primaryExpr() throws IOException {
    int ttFlagged = peekFlaggedToken();
    int tt = ttFlagged & CLEAR_TI_MASK;

    switch (tt) {
      ....
      case Token.ERROR:
            consumeToken();                                               // <=
            // the scanner or one of its subroutines reported the error.
            break;
      ....
    }
    ....
  }
  ....
}

Unicorn with delicious cookie
Nous utilisons des cookies pour améliorer votre expérience de navigation. En savoir plus
Accepter