Examples with ManagedLedgerException org.apache.bookkeeper.mledger.ManagedLedgerException used on opensource projects

Example 31 with ManagedLedgerException

use of org.apache.bookkeeper.mledger.ManagedLedgerException in project pulsar by yahoo.

the class ManagedLedgerImpl method asyncReadEntry.

void asyncReadEntry(PositionImpl position, ReadEntryCallback callback, Object ctx) {
    LedgerHandle currentLedger = this.currentLedger;
    if (log.isDebugEnabled()) {
        log.debug("[{}] Reading entry ledger {}: {}", name, position.getLedgerId(), position.getEntryId());
    }
    if (position.getLedgerId() == currentLedger.getId()) {
        LedgerHandle ledger = currentLedger;
        entryCache.asyncReadEntry(ledger, position, callback, ctx);
    } else {
        getLedgerHandle(position.getLedgerId()).thenAccept(ledger -> {
            entryCache.asyncReadEntry(ledger, position, callback, ctx);
        }).exceptionally(ex -> {
            log.error("[{}] Error opening ledger for reading at position {} - {}", name, position, ex.getMessage());
            callback.readEntryFailed(new ManagedLedgerException(ex), ctx);
            return null;
        });
    }
}

Example 32 with ManagedLedgerException

use of org.apache.bookkeeper.mledger.ManagedLedgerException in project pulsar by yahoo.

the class ManagedCursorTest method asyncReadWithErrors.

@Test(timeOut = 20000)
void asyncReadWithErrors() throws Exception {
    ManagedLedgerImpl ledger = (ManagedLedgerImpl) factory.open("my_test_ledger");
    ManagedCursor cursor = ledger.openCursor("c1");
    ledger.addEntry("dummy-entry-1".getBytes(Encoding));
    final CountDownLatch counter = new CountDownLatch(1);
    stopBookKeeper();
    cursor.asyncReadEntries(100, new ReadEntriesCallback() {

        public void readEntriesComplete(List<Entry> entries, Object ctx) {
            entries.forEach(e -> e.release());
            counter.countDown();
        }

        public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
            fail("async-call should not have failed");
        }
    }, null);
    counter.await();
    cursor.rewind();
    // Clear the cache to force reading from BK
    ledger.entryCache.clear();
    final CountDownLatch counter2 = new CountDownLatch(1);
    cursor.asyncReadEntries(100, new ReadEntriesCallback() {

        public void readEntriesComplete(List<Entry> entries, Object ctx) {
            fail("async-call should have failed");
        }

        public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
            counter2.countDown();
        }
    }, null);
    counter2.await();
}

Example 33 with ManagedLedgerException

use of org.apache.bookkeeper.mledger.ManagedLedgerException in project pulsar by yahoo.

the class ManagedCursorTest method deleteCursor.

@Test(timeOut = 20000)
void deleteCursor() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger");
    ManagedCursor c1 = ledger.openCursor("c1");
    ledger.addEntry("entry-1".getBytes(Encoding));
    Position p2 = ledger.addEntry("entry-2".getBytes(Encoding));
    assertEquals(c1.getNumberOfEntries(), 2);
    // Remove and recreate the same cursor
    ledger.deleteCursor("c1");
    try {
        c1.readEntries(10);
        fail("must fail, the cursor should be closed");
    } catch (ManagedLedgerException e) {
    // ok
    }
    try {
        c1.markDelete(p2);
        fail("must fail, the cursor should be closed");
    } catch (ManagedLedgerException e) {
    // ok
    }
    c1 = ledger.openCursor("c1");
    assertEquals(c1.getNumberOfEntries(), 0);
    c1.close();
    try {
        c1.readEntries(10);
        fail("must fail, the cursor should be closed");
    } catch (ManagedLedgerException e) {
    // ok
    }
    c1.close();
}

Example 34 with ManagedLedgerException

use of org.apache.bookkeeper.mledger.ManagedLedgerException in project pulsar by yahoo.

the class ManagedCursorTest method readFromClosedLedger.

@Test(timeOut = 20000)
void readFromClosedLedger() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger", new ManagedLedgerConfig().setMaxEntriesPerLedger(1));
    ManagedCursor c1 = ledger.openCursor("c1");
    ledger.close();
    try {
        c1.readEntries(2);
        fail("ledger is closed, should fail");
    } catch (ManagedLedgerException e) {
    // ok
    }
}

Example 35 with ManagedLedgerException

use of org.apache.bookkeeper.mledger.ManagedLedgerException in project pulsar by yahoo.

the class ManagedCursorTest method testSingleDelete.

@Test(timeOut = 20000)
void testSingleDelete() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger", new ManagedLedgerConfig().setMaxEntriesPerLedger(3));
    ManagedCursor cursor = ledger.openCursor("c1");
    Position p1 = ledger.addEntry("entry1".getBytes());
    Position p2 = ledger.addEntry("entry2".getBytes());
    Position p3 = ledger.addEntry("entry3".getBytes());
    Position p4 = ledger.addEntry("entry4".getBytes());
    Position p5 = ledger.addEntry("entry5".getBytes());
    Position p6 = ledger.addEntry("entry6".getBytes());
    Position p0 = cursor.getMarkDeletedPosition();
    cursor.delete(p4);
    assertEquals(cursor.getMarkDeletedPosition(), p0);
    cursor.delete(p1);
    assertEquals(cursor.getMarkDeletedPosition(), p1);
    cursor.delete(p3);
    // Delete will silently succeed
    cursor.delete(p3);
    assertEquals(cursor.getMarkDeletedPosition(), p1);
    cursor.delete(p2);
    assertEquals(cursor.getMarkDeletedPosition(), p4);
    cursor.delete(p5);
    assertEquals(cursor.getMarkDeletedPosition(), p5);
    cursor.close();
    try {
        cursor.delete(p6);
    } catch (ManagedLedgerException e) {
    // Ok
    }
}